:root{--paper:#f4f8fd;--surface:#fff;--surface-soft:#e8f3fc;--ink:#172033;--deep:#0f2a47;--on-deep:#fff;--selected:var(--deep);--on-selected:var(--on-deep);--muted:#5e687b;--line:#dfe3ec;--blue:#1a6bb5;--blue-dark:#155a9c;--action:#c9246e;--action-hover:#a51c5a;--pink:#e0558f;--green:#087f5b;--orange:#b45309;--danger:#be123c;--mint:#dff7f0;--yellow:#fff1b8;--coach:#0f766e;--coach-edge:#1a6bb5;--shadow:0 16px 42px #0f346021;--radius:20px;--accent:var(--blue);--glass-fill:linear-gradient(180deg, #ffffffc7 0%, #ffffff6b 46%, #fff9 100%), color-mix(in srgb, var(--surface) 55%, transparent);--glass-rim:#ffffffe6;--glass-shadow:inset 0 1px 0 #fffffff2, inset 0 0 0 1px #0f2a470f, 0 1px 2px #0f2a470d, 0 14px 34px -16px #0f2a4738;--glass-shadow-hover:inset 0 1px 0 #fff, inset 0 0 0 1px color-mix(in srgb, var(--blue) 22%, transparent), 0 2px 4px #0f2a470f, 0 24px 46px -18px #0f2a4752;--cta-fill:linear-gradient(180deg, color-mix(in srgb, var(--action) 80%, #fff) 0%, var(--action) 52%, var(--action-hover) 100%);--cta-shadow:inset 0 1px 0 #ffffff4d, 0 8px 18px -8px color-mix(in srgb, var(--action) 65%, transparent);--cta-shadow-hover:inset 0 1px 0 #ffffff61, 0 14px 28px -10px color-mix(in srgb, var(--action) 80%, transparent);--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--radius-sm:10px;--radius-md:16px;--radius-lg:22px;--radius-pill:999px;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.375rem;--text-2xl:1.75rem;--shadow-sm:0 4px 14px #0f346017;--map-1:#1a6bb5;--map-2:#0f766e;--map-3:#c2410c;--map-4:#7c3aed;--map-5:#087f5b;--map-6:#c9246e;--ease-out:cubic-bezier(.2, .8, .2, 1);--motion-fast:.16s;--motion-base:.26s;--page-max:1440px;--page-gutter:clamp(24px, 4vw, 64px);--header-height:78px;--app-canvas-max:1360px;--app-canvas-gutter:20px;--app-sidebar-w:232px;--app-canvas-gap:28px;color-scheme:light}@media (min-width:1200px){:root{--app-canvas-max:1360px;--app-canvas-gutter:24px;--app-sidebar-w:232px;--app-canvas-gap:28px;--page-max:var(--app-canvas-max);--page-gutter:var(--app-canvas-gutter)}}@media (min-width:1440px){:root{--app-canvas-max:1440px;--app-canvas-gutter:32px;--app-sidebar-w:236px;--app-canvas-gap:32px;--page-max:var(--app-canvas-max);--page-gutter:var(--app-canvas-gutter)}}@media (min-width:1680px){:root{--app-canvas-max:1600px;--app-canvas-gutter:36px;--app-sidebar-w:244px;--app-canvas-gap:36px;--page-max:var(--app-canvas-max);--page-gutter:var(--app-canvas-gutter)}}@media (min-width:1920px){:root{--app-canvas-max:1720px;--app-canvas-gutter:40px;--app-sidebar-w:252px;--app-canvas-gap:40px;--page-max:var(--app-canvas-max);--page-gutter:var(--app-canvas-gutter)}}@media (min-width:2560px){:root{--app-canvas-max:1840px;--app-canvas-gutter:48px;--app-sidebar-w:260px;--app-canvas-gap:48px;--page-max:var(--app-canvas-max);--page-gutter:var(--app-canvas-gutter)}}body:has(.admin-workspace)>header,body:has(.admin-workspace)>footer,body:has(.admin-workspace)>.site-section-menu,body:has(.admin-login)>header,body:has(.admin-login)>footer,body:has(.admin-login)>.site-section-menu{display:none}.admin-brand span{color:var(--blue)}.admin-sidebar>div>p{color:color-mix(in srgb, var(--on-deep) 72%, var(--deep));letter-spacing:.09em;text-transform:uppercase;margin:0 0 9px;font-size:.75rem;font-weight:700}.admin-sidebar>div>a{color:var(--surface);font-size:.875rem;text-decoration:none}.admin-sidebar nav{gap:7px;display:grid}.admin-sidebar nav a{border-radius:var(--radius-sm);color:color-mix(in srgb, var(--on-deep) 72%, var(--deep));border:1px solid #0000;gap:4px;padding:11px;text-decoration:none;display:grid}.admin-sidebar nav a[aria-current=page]{background:color-mix(in srgb, var(--on-deep) 14%, var(--deep));border-color:color-mix(in srgb, var(--on-deep) 14%, var(--deep));color:var(--surface)}.admin-sidebar nav strong{font-size:.875rem}.admin-sidebar nav small{color:inherit;opacity:.8;font-size:.75rem}.admin-sidebar footer strong{text-overflow:ellipsis;white-space:nowrap;font-size:.75rem;overflow:hidden}.admin-sidebar footer span{color:color-mix(in srgb, var(--on-deep) 72%, var(--deep));font-size:.75rem}.admin-topbar,.admin-content>header{justify-content:space-between;align-items:end;gap:24px;display:flex}.admin-topbar h1{letter-spacing:-.03em;margin:3px 0 0;font-size:clamp(1.6rem,2.4vw,2.4rem)}.admin-topbar .primary-button{white-space:nowrap}.admin-metrics article{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);gap:7px;min-height:90px;padding:14px;display:grid}.admin-metrics span{color:var(--muted);font-size:.75rem;font-weight:600}.admin-metrics strong{letter-spacing:-.04em;font-size:1.25rem}.admin-content h2{letter-spacing:-.035em;margin:3px 0;font-size:1.25rem}.admin-content header p{color:var(--muted);margin:0;font-size:.75rem}.admin-search input,.admin-editor-grid input,.admin-editor-grid textarea{background:var(--surface-soft);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);font:inherit;min-height:39px;padding:8px 10px}.admin-list-header,.admin-content-list article{grid-template-columns:minmax(0,1fr) 120px 112px;align-items:center;gap:15px;display:grid}.admin-content-list article{border-bottom:1px solid var(--line);min-height:68px;padding:10px 0}.admin-content-list article div span{color:var(--muted);margin-top:4px;font-size:.75rem}.admin-filter select{background:var(--surface-soft);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);font:inherit;min-height:39px;padding:8px 10px}.admin-modal form{background:var(--surface);border-radius:var(--radius-md);width:100%;max-width:760px;max-height:calc(100dvh - 44px);padding:23px;animation:.34s cubic-bezier(.16,1,.3,1) both modal-spring-in;overflow:auto;box-shadow:0 25px 80px #07121f52}.admin-modal form>header,.admin-modal form>footer{justify-content:space-between;align-items:center;gap:12px;display:flex}.admin-modal h2{margin:3px 0;font-size:1.25rem}.admin-editor-grid>label{color:var(--muted);gap:6px;font-size:.75rem;font-weight:600;display:grid}.admin-editor-grid textarea{resize:vertical;min-height:76px}.admin-confirm>div{background:var(--surface);border-radius:var(--radius-md);max-width:430px;padding:24px;animation:.34s cubic-bezier(.16,1,.3,1) both modal-spring-in}.admin-confirm p:not(.eyebrow){color:var(--muted);font-size:.875rem;line-height:1.6}.admin-confirm button{margin:8px 8px 0 0}.admin-table th{border-bottom:1px solid var(--line);color:var(--muted);letter-spacing:.04em;text-align:left;text-transform:uppercase;padding:12px 10px;font-size:.75rem;font-weight:700}.admin-table td{border-bottom:1px solid var(--line);vertical-align:middle;padding:12px 10px;font-size:.75rem}.admin-table td small{color:var(--muted);margin-top:3px;font-size:.75rem}td.admin-actions>*+*{margin-left:6px}.admin-actions button,.admin-refresh,.admin-pagination button{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);cursor:pointer;font:inherit;min-height:32px;padding:5px 9px;font-size:.75rem;font-weight:600}.admin-actions button:last-child{color:var(--ink)}.admin-pagination span{color:var(--muted);margin-right:auto;font-size:.75rem}.admin-modal>article{background:var(--surface);border-radius:var(--radius-md);width:100%;max-width:650px;max-height:calc(100dvh - 44px);padding:24px;animation:.34s cubic-bezier(.16,1,.3,1) both modal-spring-in;overflow:auto;box-shadow:0 25px 80px #07121f52}.admin-modal>article>header,.admin-modal>article>footer{justify-content:space-between;align-items:center;gap:12px;display:flex}.admin-modal h2{margin:3px 0}.admin-modal footer>span{flex:1}.admin-detail-list dt,.admin-detail-list dd{border-bottom:1px solid var(--line);margin:0;padding:10px 0;font-size:.75rem}.admin-detail-list dt{color:var(--muted);font-weight:600}.admin-activity dl{grid-template-columns:repeat(2,1fr);gap:10px;display:grid}.admin-activity dt{color:var(--muted);font-size:.75rem}.admin-activity dd{margin:4px 0 0;font-size:1.25rem;font-weight:700}.analytics-grid article{border-radius:var(--radius-md);background:#fff;border:1px solid #dce3e9;gap:7px;padding:18px;display:grid}.analytics-grid span{color:#718093;font-size:.75rem}.analytics-grid strong{font-size:1.75rem}.admin-theme-control .theme-toggle{background:var(--surface);min-height:44px}.curriculum-admin>header,.curriculum-admin-content>header{justify-content:space-between;align-items:start;gap:24px;display:flex}.curriculum-admin h1{margin:5px 0;font-size:clamp(2rem,4vw,3.2rem)}.curriculum-admin>header p,.curriculum-admin-content>header>p{color:var(--muted);max-width:680px;margin:0;line-height:1.6}.curriculum-admin-tracks button{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);color:var(--ink);cursor:pointer;text-align:left;gap:3px;padding:14px;display:grid}.curriculum-admin-tracks button[aria-pressed=true]{background:color-mix(in srgb, var(--blue) 10%, var(--surface));border-color:var(--blue)}.curriculum-admin-tracks span{color:var(--blue);font-size:.75rem;font-weight:600}.curriculum-admin-tracks strong{font-size:1rem}.curriculum-admin-tracks small{color:var(--muted);font-size:.75rem}.curriculum-admin-summary>div{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);gap:5px;padding:14px;display:grid}.curriculum-admin-summary span{color:var(--muted);font-size:.75rem}.curriculum-admin-summary strong{font-size:.875rem}.curriculum-admin-content h2{margin:4px 0;font-size:1.25rem}.curriculum-admin-content>ol{gap:12px;margin:22px 0 0;padding:0;list-style:none;display:grid}.curriculum-admin-content article{background:var(--surface-soft);border-radius:var(--radius-md);padding:16px}.curriculum-admin-content article>header{justify-content:space-between;align-items:center;display:flex}.curriculum-admin-content article>header span,.curriculum-admin-content footer strong{color:var(--blue);font-size:.75rem;font-weight:600}.curriculum-admin-content h3{margin:9px 0 4px}.curriculum-admin-content article>p,.curriculum-admin-content footer p{color:var(--muted);margin:4px 0 12px;font-size:.75rem;line-height:1.55}.curriculum-admin-content ul{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);margin:0;padding:0;list-style:none}.curriculum-admin-content li li>span,.curriculum-admin-content li li a{color:var(--blue);font-size:.75rem;font-weight:600}html[data-theme=dark]{--paper:#0f172a;--surface:#17223b;--surface-soft:#1e2c4a;--ink:#e2e8f0;--deep:#090e18;--on-deep:#e5eaf3;--selected:var(--blue);--on-selected:#090b16;--muted:#94a3b8;--line:#293856;--blue:#7cc0f5;--blue-dark:#a9d6fa;--action:#d1366f;--action-hover:#b02a5d;--pink:#f59bc0;--green:#6ee7b7;--orange:#fdba74;--danger:#fda4af;--mint:#123c38;--yellow:#4a3c16;--coach:#134e4a;--coach-edge:#7cc0f5;--shadow:0 24px 72px #0000005c;--shadow-sm:0 4px 14px #00000047;--map-1:#7cc0f5;--map-2:#5eead4;--map-3:#fdba74;--map-4:#c4b5fd;--map-5:#6ee7b7;--map-6:#f59bc0;--glass-fill:linear-gradient(180deg, #ffffff17 0%, #ffffff05 50%, #ffffff0b 100%), color-mix(in srgb, var(--surface) 80%, transparent);--glass-rim:#ffffff1a;--glass-shadow:inset 0 1px 0 #ffffff1f, 0 1px 2px #0000004d, 0 16px 36px -16px #0009;--glass-shadow-hover:inset 0 1px 0 #ffffff2e, inset 0 0 0 1px color-mix(in srgb, var(--blue) 30%, transparent), 0 2px 4px #00000059, 0 26px 50px -18px #000000b8;color-scheme:dark}*{box-sizing:border-box}html{overscroll-behavior-x:none;scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:88px}body{background:radial-gradient(circle at 6% 0%, color-mix(in srgb, var(--action) 9%, transparent) 0, transparent 30rem), radial-gradient(circle at 96% 12%, color-mix(in srgb, var(--blue) 8%, transparent) 0, transparent 26rem), radial-gradient(circle at 50% 100%, color-mix(in srgb, var(--coach) 6%, transparent) 0, transparent 34rem), var(--paper);color:var(--ink);background-attachment:fixed;margin:0;font-family:Be Vietnam Pro,Be Vietnam Pro Fallback,Segoe UI,sans-serif;font-size:1rem;line-height:1.6;overflow-x:clip}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.offline-session-control button{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-pill);color:var(--blue);cursor:pointer;justify-self:start;min-height:44px;padding:8px 15px;font-weight:700}.offline-session-control p{color:var(--muted);margin:0;font-size:.75rem;line-height:1.5}.offline-fallback h1{margin:8px 0 18px;font-size:clamp(2rem,6vw,4rem)}.offline-fallback>p:not(.eyebrow){color:var(--muted);line-height:1.7}@media (pointer:coarse){input,select,textarea{font-size:max(1rem,1em)!important}}button{color:inherit}a,button{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button,a{transition:background-color var(--motion-fast) var(--ease-out), border-color var(--motion-fast) var(--ease-out), box-shadow var(--motion-fast) var(--ease-out), color var(--motion-fast) var(--ease-out), opacity var(--motion-fast) var(--ease-out), transform var(--motion-fast) var(--ease-out)}button:active,.primary-button:active,.header-action:active{transform:scale(.98)}svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8px}.sr-only{clip:rect(0, 0, 0, 0);clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}main:focus{outline:none}.skip-link{background:var(--ink);color:#fff;z-index:100;padding:10px 16px;position:fixed;top:-60px;left:16px}.skip-link:focus{top:16px}.site-header{max-width:var(--page-max);padding:18px var(--page-gutter);z-index:50;grid-template-columns:1fr auto 1fr;align-items:center;gap:28px;margin:0 auto;display:grid;position:sticky;top:0}.site-header:before{backdrop-filter:blur();box-shadow:none;content:"";pointer-events:none;z-index:-1;background:0 0;border-bottom:1px solid #0000;transition:background-color .22s,border-color .22s,box-shadow .22s,-webkit-backdrop-filter .22s,backdrop-filter .22s;position:absolute;inset:0 calc(50% - 50vw)}.site-header[data-scrolled]:before{backdrop-filter:saturate(1.6)blur(18px);background:color-mix(in srgb, var(--surface) 90%, transparent);border-bottom-color:var(--line);box-shadow:0 10px 30px -12px #1e1a3c40}html[data-theme=dark] .site-header[data-scrolled]:before{background:color-mix(in srgb, var(--deep) 84%, transparent);border-bottom-color:color-mix(in srgb, var(--ink) 14%, transparent);box-shadow:0 12px 32px -10px #000000b3}@media (prefers-reduced-motion:reduce){.site-header:before{transition:none}}.brand-wrap{justify-self:start;align-items:center;gap:8px;display:flex}.mobile-header-menu-btn{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);color:var(--ink);cursor:pointer;justify-content:center;align-items:center;width:44px;min-width:44px;height:44px;min-height:44px;font-family:inherit;font-size:1.25rem;display:none}.brand{justify-self:start;align-items:center;gap:10px;min-height:48px;font-size:1.125rem;font-weight:600;display:flex}.brand-mark{flex:none;justify-content:center;align-items:center;width:40px;height:40px;display:inline-flex}.brand-mark img{object-fit:contain;width:40px;height:40px}.site-navigation{gap:clamp(18px,2vw,32px);display:flex}.site-navigation a{color:var(--muted);font-size:.875rem;font-weight:500}.site-navigation a:hover,.site-navigation a[aria-current=page]{color:var(--ink)}.site-navigation svg,.mobile-nav-label{display:none}.site-navigation{align-items:center}.site-navigation .mobile-only-link{display:none}.nav-learn{position:relative}.nav-learn-toggle{color:var(--muted);cursor:pointer;font:inherit;background:0 0;border:0;align-items:center;gap:4px;min-height:44px;padding:0;font-size:.875rem;font-weight:500;display:inline-flex}.nav-learn-toggle:hover,.nav-learn-toggle[aria-expanded=true],.nav-learn-toggle[data-current]{color:var(--ink)}.nav-learn-caret{font-size:.7rem;transition:transform .16s}.nav-learn-toggle[aria-expanded=true] .nav-learn-caret{transform:rotate(180deg)}.nav-learn-menu{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);z-index:70;min-width:280px;padding:8px;animation:.16s ease-out both nav-menu-in;position:absolute;top:calc(100% + 8px);left:50%;transform:translate(-50%);box-shadow:0 18px 40px -14px #1e1a3c59}.nav-learn-menu ul{gap:2px;margin:0;padding:0;list-style:none;display:grid}.nav-learn-menu a{border-radius:var(--radius-sm);color:var(--ink);padding:10px 12px;font-size:.9rem;display:block}.nav-learn-menu a:hover,.nav-learn-menu a[aria-current=page]{background:var(--surface-soft);color:var(--ink)}.nav-learn-menu p{border-top:1px solid var(--line);color:var(--muted);letter-spacing:.04em;text-transform:uppercase;margin:8px 4px 4px;padding:10px 8px 0;font-size:.7rem;font-weight:700}@keyframes nav-menu-in{0%{opacity:0;transform:translate(-50%,-4px)}to{opacity:1;transform:translate(-50%)}}@media (prefers-reduced-motion:reduce){.nav-learn-menu{animation:none}}.header-actions{justify-self:end;align-items:center;gap:10px;display:flex}.header-login,.header-register,.header-account{border-radius:var(--radius-md);white-space:nowrap;justify-content:center;align-items:center;min-height:46px;padding:9px 14px;font-size:.875rem;font-weight:700;display:inline-flex}.header-login{color:var(--muted);min-height:46px}.header-login:hover{color:var(--blue)}.header-register{background:linear-gradient(135deg, var(--action), color-mix(in srgb, var(--action) 82%, var(--orange)));border:1px solid var(--action);box-shadow:0 6px 18px color-mix(in srgb, var(--action) 30%, transparent);color:#fff;min-height:46px;font-weight:700;transition:all .2s cubic-bezier(.16,1,.3,1)}.header-register:hover{background:linear-gradient(135deg, var(--action-hover), var(--action));box-shadow:0 10px 24px color-mix(in srgb, var(--action) 40%, transparent);transform:translateY(-2px)}.header-account{background:var(--surface);border:1.5px solid var(--line);color:var(--ink);box-shadow:0 2px 8px color-mix(in srgb, var(--ink) 6%, transparent);font-weight:600;transition:all .2s}.header-account:hover{border-color:var(--blue);color:var(--blue);box-shadow:0 4px 12px color-mix(in srgb, var(--blue) 15%, transparent)}.header-account-loading{background:var(--surface-soft);border-radius:var(--radius-md);width:202px;height:46px}.theme-toggle{background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius-pill);box-shadow:var(--raise-1);color:var(--ink);cursor:pointer;justify-content:center;align-items:center;width:44px;height:44px;transition:background-color .15s,border-color .15s,box-shadow .15s,color .15s,transform .15s;display:inline-flex;position:relative;overflow:hidden}.theme-toggle:hover{background:color-mix(in srgb, var(--blue) 16%, var(--surface));border-color:var(--blue);box-shadow:0 3px 0 var(--blue-dark), 0 8px 18px -6px color-mix(in srgb, var(--blue) 40%, transparent);color:var(--blue);transform:translateY(-1px)}.theme-toggle:active{box-shadow:0 1px 0 var(--edge-soft);transform:translateY(2px)}.theme-icon{justify-content:center;align-items:center;transition:opacity .18s,transform .18s;display:flex;position:absolute;inset:0}.theme-icon-moon{opacity:1;transform:translateY(0)}.theme-icon-sun{opacity:0;transform:translateY(12px)}html[data-theme=dark] .theme-icon-moon{opacity:0;transform:translateY(-12px)}html[data-theme=dark] .theme-icon-sun{opacity:1;transform:translateY(0)}.language-switcher,.language-select-wrapper{align-items:center;display:inline-flex;position:relative}.language-select{appearance:none;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius-md);color:var(--ink);cursor:pointer;height:44px;min-height:44px;box-shadow:0 2px 8px color-mix(in srgb, var(--ink) 6%, transparent);padding:0 28px 0 10px;font-size:.875rem;font-weight:600;transition:all .2s}.language-select:hover,.language-select:focus{border-color:var(--blue);box-shadow:0 4px 12px color-mix(in srgb, var(--blue) 16%, transparent);outline:none}.language-chevron{pointer-events:none;color:var(--muted);font-size:.75rem;position:absolute;right:8px}.language-switcher.is-compact,.language-switcher.is-compact .language-select-wrapper{width:100%}.language-switcher.is-compact .language-select{width:100%;height:42px;min-height:42px}.hero{max-width:var(--page-max);min-height:0;padding:26px var(--page-gutter) 18px;grid-template-columns:1.05fr .95fr;align-items:center;gap:clamp(44px,8vw,110px);margin:0 auto;display:grid;position:relative}.hero-copy{animation:home-intro-in .62s var(--ease-out) both;max-width:640px}.eyebrow{color:var(--blue);letter-spacing:0;text-transform:none;margin:0 0 14px;font-size:.8125rem;font-weight:700;line-height:1.5}.hero h1,.page-heading h1,.placement-page h1,.lesson-complete h1{letter-spacing:-.04em;margin:0;font-family:Be Vietnam Pro,Be Vietnam Pro Fallback,Segoe UI,sans-serif;font-size:clamp(2.8rem,5vw,4.8rem);font-weight:700;line-height:1.16}.hero h1{font-size:clamp(2.4rem,3.4vw,3.3rem);line-height:1.12}.hero h1 span,.hero h1 em{white-space:nowrap;display:block}.hero h1 em{color:var(--blue);font-style:normal;font-weight:700}.hero-lead{color:var(--muted);max-width:570px;margin:12px 0 18px;font-size:1.0625rem}.hero-actions{flex-wrap:wrap;align-items:flex-start;gap:16px 20px;display:flex}.learning-start-action{flex-direction:column;align-items:flex-start;gap:5px;display:flex}.learning-start-action>span{color:var(--muted);margin-left:12px;font-size:.75rem;line-height:1.4}.primary-button{background:linear-gradient(135deg, var(--action), color-mix(in srgb, var(--action) 82%, var(--orange)));box-shadow:0 8px 22px color-mix(in srgb, var(--action) 32%, transparent);border-radius:var(--radius-md);color:#fff;cursor:pointer;border:1px solid #fff3;justify-content:center;align-items:center;gap:12px;min-height:50px;padding:13px 22px;font-size:1rem;font-weight:700;transition:all .2s cubic-bezier(.16,1,.3,1);display:inline-flex}.primary-button:hover{background:linear-gradient(135deg, var(--action-hover), var(--action));box-shadow:0 12px 28px color-mix(in srgb, var(--action) 42%, transparent);transform:translateY(-2px)}.primary-button:active{transform:scale(.98)}.text-link{border-bottom:1px solid color-mix(in srgb, currentColor 72%, transparent);color:var(--ink);padding:8px 0;font-weight:700}.text-link:hover{border-color:var(--blue);color:var(--blue)}.trust-list li:before{color:var(--green);content:"✓";margin-right:7px;font-weight:700}.hero-study{animation:home-preview-in .76s 80ms var(--ease-out) both;padding:18px 0 24px;position:relative}.study-note{background:var(--yellow);border-radius:var(--radius-sm);z-index:2;align-items:center;gap:6px;padding:8px 12px;display:flex;position:absolute;top:-10px;left:16px;box-shadow:0 4px 12px #0000000f}.study-note span{text-transform:uppercase;font-size:.75rem}.study-note strong{font-size:.75rem}.word-card-preview{background:linear-gradient(145deg, var(--surface), color-mix(in srgb, var(--surface-soft) 52%, var(--surface)));border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);flex-direction:column;min-height:clamp(340px,42vh,410px);padding:clamp(24px,4vw,36px);display:flex;position:relative;padding-bottom:clamp(68px,9vw,84px)!important}.preview-label{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;box-sizing:border-box;width:100%;margin:0;padding-left:96px;padding-right:48px;font-size:.8rem;font-weight:600;display:block;overflow:hidden}.word-card-preview button{background:var(--blue);box-shadow:0 3px 0 var(--blue-dark), 0 6px 14px -4px color-mix(in srgb, var(--blue) 45%, transparent);color:#fff;cursor:pointer;z-index:2;border:0;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;padding:10px;transition:background-color .15s,box-shadow .15s,transform .15s;display:inline-flex;position:absolute;top:24px;right:24px}.word-card-preview button:hover:not(:disabled){background:var(--blue-dark);transform:translateY(-1px)}.word-card-preview button:active:not(:disabled){box-shadow:0 1px 0 var(--blue-dark);transform:translateY(2px)}.word-card-preview button:disabled{cursor:wait;opacity:.65}.word-card-preview strong{letter-spacing:-.04em;overflow-wrap:break-word;word-break:break-word;margin-top:clamp(20px,3.2vw,38px);font-family:Literata Variable,serif;font-size:clamp(2.2rem,4.4vw,4rem);font-weight:500;line-height:1.15;display:block}.word-card-preview.has-visual strong{max-width:58%;font-size:clamp(1.7rem,3.2vw,2.8rem)}.word-card-preview.has-visual.is-long-word strong{white-space:nowrap;font-size:clamp(1.35rem,2.2vw,2.1rem)}.preview-visual{object-fit:contain;width:120px;height:120px;position:absolute;top:110px;right:20px}.phonetic{color:var(--blue);margin-top:4px;font-size:1rem;line-height:1.4}.word-card-preview p{margin:clamp(14px,2.5vw,26px) 0 6px;font-size:1.125rem;font-weight:700}.word-card-preview.has-visual p,.word-card-preview.has-visual q{max-width:58%}.word-card-preview q{color:var(--muted);margin-bottom:6px;font-family:Literata Variable,serif;font-size:1rem;line-height:1.5;display:block}.sound-ribbon{background:var(--deep);border-radius:var(--radius-pill);box-sizing:border-box;color:#ffffff94;white-space:nowrap;z-index:3;justify-content:space-evenly;align-items:center;gap:clamp(4px,1.2vw,12px);width:calc(100% - clamp(20px,4vw,44px));max-width:440px;padding:8px clamp(8px,1.5vw,16px);display:flex;position:absolute;bottom:-14px;left:50%;overflow:hidden;transform:translate(-50%);box-shadow:0 8px 24px -4px #0a142859}.sound-ribbon span{white-space:nowrap;word-break:keep-all;flex-shrink:0;padding:1px 2px;font-size:clamp(.72rem,1.8vw,.9rem);line-height:1.2;display:inline-block}.sound-ribbon .active{color:#7ce4d7;font-weight:700;transform:scale(1.15)}.hero-copy>.eyebrow,.home-goals>header .eyebrow{display:none}.home-goals{max-width:var(--page-max);padding:0 var(--page-gutter);margin:14px auto 28px}.home-goals>header{justify-content:space-between;align-items:end;margin-bottom:18px;display:flex}.home-goals .eyebrow{margin-bottom:5px}.home-goals h2{letter-spacing:-.03em;margin:0;font-size:clamp(1.7rem,2.6vw,2.4rem);line-height:1.25}.home-goals>header>a{color:var(--blue);align-items:center;gap:5px;min-height:44px;font-size:.875rem;font-weight:600;display:inline-flex}.home-goal-list>a{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;min-height:78px;padding:14px 18px;display:flex}.home-goal-list>a:not(:nth-child(4n)){border-right:1px solid var(--line)}.home-goal-list>a:nth-child(n+5){border-bottom:0}.home-goal-list>a:hover{background:color-mix(in srgb, var(--blue) 6%, var(--surface));color:var(--blue)}.home-goal-list>a>span{gap:1px;display:grid}.home-goal-list strong{font-size:1rem}.home-goal-list small{color:var(--muted);font-size:.75rem}.home-goal-list svg{flex:none}.home-audiences{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.home-audience{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);color:var(--ink);text-align:center;justify-items:center;gap:4px;padding:18px 18px 22px;transition:transform .2s,box-shadow .2s,border-color .2s;display:grid;position:relative}.home-audience img{aspect-ratio:1;border-radius:var(--radius-md);background:#fff;width:70%;max-width:200px;height:auto;margin-bottom:10px}.home-audience strong{font-size:1.2rem}.home-audience small{color:var(--muted);font-size:.9rem}.home-audience-go{background:var(--surface-soft);border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;margin-top:10px;display:flex}.home-audience:hover{box-shadow:0 18px 36px -16px color-mix(in srgb, currentColor 45%, transparent);border-color:currentColor;transform:translateY(-4px)}.home-audience.kid{color:var(--action)}.home-audience.school{color:var(--blue)}.home-audience.life{color:var(--green)}.home-audience strong,.home-audience small{color:var(--ink)}.home-audience small{color:var(--muted)}.home-audience-go{color:currentColor}.home-learning-doors>header{grid-template-columns:minmax(0,1fr) minmax(280px,.72fr);align-items:end;gap:44px;margin-bottom:28px;display:grid}.home-learning-doors h2{letter-spacing:-.035em;max-width:720px;margin:0;font-size:clamp(2rem,3.2vw,3.2rem);line-height:1.15}.home-learning-doors>header>p{color:var(--muted);margin:0}.home-learning-doors .eyebrow{color:var(--blue)}.home-learning-door>span{color:var(--blue);font-family:Literata Variable,serif;font-size:1.5rem}.home-learning-door strong{align-self:end;font-size:1.15rem;line-height:1.3}.home-learning-door small{color:var(--muted);font-size:.8rem;line-height:1.55}.home-pathway{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;min-height:128px;padding:18px;display:grid;position:relative;overflow:hidden}.home-pathway:before{content:"";opacity:.72;background:currentColor;height:4px;position:absolute;top:0;left:0;right:0}.home-pathway:hover{box-shadow:0 15px 30px color-mix(in srgb, currentColor 14%, transparent);border-color:currentColor;transform:translateY(-3px)}.home-pathway.school{color:var(--blue)}.home-pathway.life{color:var(--green)}.home-pathway.exam{color:var(--action)}.home-pathway>span:nth-child(2){gap:3px;display:grid}.home-pathway strong{color:var(--ink);font-size:1rem;line-height:1.35}.home-pathway small{color:var(--muted);font-size:.75rem;line-height:1.45}.home-pathway svg{flex:none}.daily-promise{background:linear-gradient(115deg, var(--deep), color-mix(in srgb, var(--deep) 82%, var(--coach)));color:var(--on-deep);max-width:var(--page-max);padding:30px var(--page-gutter);border-radius:32px;grid-template-columns:repeat(3,1fr);width:calc(100% - 48px);margin:24px auto 0;display:grid}.daily-promise div{border-right:1px solid #ffffff29;align-items:center;gap:18px;padding:6px 34px;display:flex}.daily-promise div:last-child{border-right:0}.daily-promise p{margin:0;font-size:.875rem;line-height:1.4}@keyframes home-intro-in{0%{transform:translateY(18px)}to{transform:translateY(0)}}@keyframes home-preview-in{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.section-wrap{max-width:var(--page-max);padding:88px var(--page-gutter);margin:0 auto}.section-heading{grid-template-columns:1.2fr .8fr;align-items:end;gap:80px;margin-bottom:50px;display:grid}.section-heading h2,.method-copy h2,.closing-cta h2{letter-spacing:-.035em;margin:0;font-family:Be Vietnam Pro,Be Vietnam Pro Fallback,Segoe UI,sans-serif;font-size:clamp(2rem,3.2vw,3.2rem);font-weight:700;line-height:1.18}.section-heading>p,.method-copy>p{color:var(--muted)}.path-card>span{font-family:Literata Variable,serif;font-size:2rem}.path-card h3{margin:36px 0 8px;font-size:1.25rem}.path-card p{color:var(--muted);min-height:52px}.path-card a{align-items:center;gap:5px;font-size:.875rem;font-weight:700;display:inline-flex}.method-section{background:color-mix(in srgb, var(--surface) 88%, transparent);border:1px solid var(--line);border-radius:34px;grid-template-columns:minmax(0,1.15fr) minmax(min(100%,460px),1fr);align-items:center;gap:clamp(28px,4vw,56px);margin-top:24px;margin-bottom:24px;padding-top:64px;padding-bottom:64px;display:grid}.method-copy .text-link{margin-top:18px;display:inline-block}.method-links{flex-wrap:wrap;gap:14px 26px;margin-top:22px;display:flex}.method-copy .method-links .text-link{margin-top:0}.method-steps{margin:0;padding:0;list-style:none}.method-steps li{border-top:1px solid var(--line);grid-template-columns:44px 1fr;align-items:start;gap:24px;padding:25px 0;display:grid}.method-steps li>span{border:1px solid var(--line);border-radius:50%;justify-content:center;align-items:center;height:38px;display:flex}.method-steps strong{font-size:1rem}.method-steps p{color:var(--muted);margin:4px 0 0}.closing-cta{background:linear-gradient(120deg, var(--deep), color-mix(in srgb, var(--deep) 72%, var(--blue)));color:#fff;max-width:var(--page-max);padding:72px var(--page-gutter);border-radius:32px 32px 12px;width:calc(100% - 48px);margin:0 auto;position:relative;overflow:hidden}.closing-cta:after{content:"";border:1px solid #ffffff2e;border-radius:50%;width:280px;height:280px;position:absolute;top:-120px;right:-72px}.closing-cta>*{z-index:1;position:relative}.closing-cta .eyebrow{color:#c7d2fe}.closing-cta .text-link{color:#fff}.closing-cta .text-link:hover{color:#fff;border-color:#fff}.closing-cta h2{margin-bottom:38px}.primary-button.light{color:#155a9c;background:#fff}.primary-button.light:hover{color:#0f2a47;background:#eef5ff}.content-page,.lesson-page,.legal-page{max-width:1100px;min-height:70vh;margin:0 auto;padding:48px 24px 96px}.page-heading{max-width:830px}.page-heading h1,.placement-page h1{font-size:clamp(2.5rem,4vw,3.8rem)}.page-heading>p:last-child{color:var(--muted);max-width:690px;margin:20px 0 38px;font-size:1rem}.level-row h2{margin:0;font-family:Literata Variable,serif;font-size:1.5rem;font-weight:500}.explore-scope li{gap:1px;padding:16px 20px;display:grid}.explore-scope li+li{border-left:1px solid var(--line)}.explore-scope strong{letter-spacing:-.02em;font-size:1.25rem}.explore-scope span{color:var(--muted);font-size:.75rem}.goal-picker-heading>p{color:var(--muted);text-align:right;max-width:360px;margin:0;font-size:.75rem}.goal-roadmap{--goal-accent:var(--blue);margin-bottom:72px}.goal-roadmap[aria-busy]>:not(nav){opacity:.55;transition:opacity .12s}.goal-roadmap[data-accent]{--goal-accent:var(--blue)}.goal-group-switcher button:focus-visible{outline:3px solid color-mix(in srgb, var(--blue) 46%, transparent);outline-offset:2px}.goal-passport{background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--goal-accent);border-radius:var(--radius-lg,20px);box-shadow:0 10px 30px -10px color-mix(in srgb, var(--ink) 8%, transparent);grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:32px 44px;margin-bottom:24px;padding:34px 38px;display:grid}@media (max-width:900px){.goal-passport{grid-template-columns:1fr;gap:24px;padding:24px}}.goal-skills>p{margin:0 0 3px}.goal-skill span,.goal-skill strong{font-size:.75rem}.goal-skill strong{text-align:right;font-weight:600}.goal-skill b{background:var(--goal-accent);height:100%;transition:width .45s var(--ease-out);display:block}.goal-methods>p{margin:0 0 10px}.goal-methods>div{flex-wrap:wrap;gap:8px;display:flex}.goal-methods span{background:var(--surface-soft);border-radius:var(--radius-sm);padding:7px 10px;font-size:.75rem}.goal-official-facts>p{margin:0 0 10px}.goal-official-facts ul{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:0;padding:0;list-style:none;display:grid}.goal-official-facts li{background:color-mix(in srgb, var(--goal-accent) 7%, var(--surface));border:1px solid color-mix(in srgb, var(--goal-accent) 20%, var(--line));border-radius:var(--radius-sm);padding:10px;font-size:.75rem;line-height:1.45}.goal-journey{grid-template-columns:minmax(0,1fr);gap:16px;margin:0;padding:0 0 0 24px;list-style:none;display:grid;position:relative}.goal-journey:before{background:color-mix(in srgb, var(--goal-accent) 32%, var(--line));content:"";width:2px;position:absolute;top:24px;bottom:24px;left:7px}.goal-journey>li{position:relative}.goal-journey>li:before{background:var(--surface);border:3px solid var(--goal-accent);box-sizing:border-box;content:"";z-index:1;border-radius:50%;width:18px;height:18px;position:absolute;top:27px;left:-25px}.goal-journey article{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);height:100%;transition:border-color var(--motion-base) var(--ease-out);padding:20px}.goal-journey article:hover{border-color:color-mix(in srgb, var(--goal-accent) 45%, var(--line))}.goal-journey article header{justify-content:space-between;align-items:center;display:flex}.goal-journey article header span{background:var(--goal-accent);border-radius:var(--radius-sm);color:#fff;justify-content:center;align-items:center;width:34px;height:30px;font-size:.75rem;font-weight:600;display:flex}.goal-journey article header p{color:var(--muted);margin:0;font-size:.75rem}.goal-journey h4{margin:18px 0 6px;font-size:1.125rem}.stage-lessons li{grid-template-columns:42px minmax(0,1fr);align-items:baseline;gap:8px;display:grid}.stage-lessons li span{color:var(--goal-accent);font-size:.75rem;font-weight:700}.stage-lessons li strong{font-size:.875rem;font-weight:500}@media (min-width:861px){.goal-journey>li:not(.is-active){display:none}.goal-journey{min-height:420px}.goal-journey article{animation:roadmap-stage-in var(--motion-base) var(--ease-out)}.lesson-page{padding-top:14px;padding-bottom:42px}.lesson-intro{margin-bottom:8px}.lesson-intro h1{font-size:clamp(1.65rem,2.3vw,2.1rem)}.lesson-intro>p:last-child span{font-size:.75rem}.flashcard{height:clamp(286px,37vh,320px)}.lesson-action-dock{margin-top:8px;padding:7px 10px 9px}}@keyframes roadmap-stage-in{0%{opacity:.35;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.roadmap-locked-preview span{background:var(--surface);border:1px solid var(--line);color:var(--muted);border-radius:50%;justify-content:center;align-items:center;width:34px;height:34px;margin-left:-7px;font-size:.75rem;font-weight:600;display:flex}.roadmap-auth-dialog h2{margin:6px 42px 7px 0;font-size:1.5rem;line-height:1.25}.roadmap-auth-dialog>p:not(.eyebrow){color:var(--muted);margin:0 0 18px;font-size:.875rem;line-height:1.5}.roadmap-auth-dialog form{gap:12px;padding-top:16px;display:grid}.goal-roadmap-footer strong{font-size:1rem}.goal-roadmap-footer p{color:color-mix(in srgb, var(--on-deep) 72%, transparent);margin:3px 0 0;font-size:.875rem}.goal-format-note a{color:var(--blue);text-underline-offset:3px;flex:none;text-decoration:underline}.sound-selector button[data-complete=true]{border-color:color-mix(in srgb, var(--green) 56%, var(--line));color:var(--green);position:relative}.sound-selector button[data-complete=true]>span{margin-left:3px;font-family:Be Vietnam Pro,Be Vietnam Pro Fallback,sans-serif;font-size:.75rem}.pronunciation-stage{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:30px;padding:32px;overflow:hidden}.sound-focus h2{letter-spacing:-.045em;margin:4px 0 10px;font-family:Literata Variable,serif;font-size:clamp(2.8rem,6vw,4.4rem);font-weight:500;line-height:1}.repeat-line>div,.record-panel>div{align-items:center;gap:14px;display:flex}.repeat-line>div>span{background:var(--mint);border-radius:50%;flex:none;justify-content:center;align-items:center;width:40px;height:40px;font-weight:700;display:flex}.repeat-line p,.record-panel p{flex-direction:column;margin:0;display:flex}.repeat-line p strong,.record-panel p strong{color:var(--muted);letter-spacing:.05em;text-transform:uppercase;font-family:Be Vietnam Pro,Be Vietnam Pro Fallback,sans-serif;font-size:.75rem}.recording-meter>span{color:var(--muted);font-variant-numeric:tabular-nums;font-size:.75rem;font-weight:700}.recording-waveform span{background:var(--green);border-radius:var(--radius-pill);transform-origin:50%;min-width:2px;height:100%;transition:transform 90ms linear;display:block}.recording-playback>span{font-size:.75rem;font-weight:600}.recording-playback audio{width:100%;height:38px}.recording-playback button{color:var(--blue);cursor:pointer;text-underline-offset:3px;background:0 0;border:0;font-weight:600;text-decoration:underline}.pronunciation-checklist label{background:var(--surface-soft);border-radius:var(--radius-md);cursor:pointer;align-items:center;gap:10px;min-height:44px;padding:9px 11px;font-size:.75rem;line-height:1.45;display:flex}.pronunciation-checklist input{accent-color:var(--green);width:18px;height:18px}.finish-sound-button,.sound-completion button{background:var(--action);border:1px solid var(--action);border-radius:var(--radius-pill);box-shadow:0 8px 18px color-mix(in srgb, var(--action) 23%, transparent);color:#fff;cursor:pointer;width:100%;min-height:48px;margin-top:14px;padding:10px 16px;font-weight:600}.sound-completion p{margin:0;font-size:.875rem;line-height:1.5}.sound-completion button{background:var(--deep);border-color:var(--deep);margin-top:10px}@keyframes record-pulse{50%{box-shadow:0 0 0 8px color-mix(in srgb, var(--pink) 18%, transparent)}}.pronunciation-stage,.grammar-sheet,.grammar-result,.goal-passport,.level-check,.vocabulary-studio>section{box-shadow:0 18px 46px color-mix(in srgb, var(--deep) 16%, transparent)}.pronunciation-stage,.grammar-sheet,.grammar-result,.goal-passport,.level-check{animation:learning-surface-in .48s var(--ease-out) both}.pronunciation-stage:hover,.grammar-sheet:hover,.goal-passport:hover{border-color:color-mix(in srgb, var(--blue) 38%, var(--line))}@keyframes learning-surface-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.pron-exams-head h2{align-items:center;gap:8px;margin:0;font-size:1.15rem;display:flex}.pron-exam-card>span:last-child{gap:3px;min-width:0;display:grid}.pron-exam-card small{color:var(--muted);font-size:.86rem;line-height:1.4}.pron-exam-card em{color:var(--blue);font-size:.85rem;font-style:normal;font-weight:700}.grammar-next-strip p{align-items:center;gap:8px;margin:0;font-weight:700;display:flex}.grammar-next-strip>div{flex-wrap:wrap;gap:8px;display:flex}@media (min-width:900px){.grammar-learning-column[data-pane=library] .grammar-sheet,.grammar-learning-column[data-pane=test] [data-pane=library]{display:none}}@media (max-width:899px){[data-pane]{scroll-margin-top:140px}}.grammar-coverage{flex-wrap:wrap;align-items:center;gap:8px 18px;margin:0 0 16px;padding:0;list-style:none;display:flex}.grammar-coverage li{border:0;border-left:2px solid var(--yellow);background:0 0;border-radius:0;align-items:baseline;gap:6px;padding:0 0 0 9px;display:flex}.grammar-coverage strong{font-size:.875rem}.grammar-coverage span{color:var(--muted);font-size:.75rem;line-height:1.45}.grammar-lesson-media img{object-fit:contain;width:100%;height:100%}.grammar-lesson-copy h2{letter-spacing:-.025em;margin:0;font-family:Literata Variable,serif;font-size:1.75rem;font-weight:500;line-height:1.2}.grammar-examples li>strong{font-family:Literata Variable,serif;font-size:.875rem;font-weight:500;line-height:1.5}.grammar-lesson-copy audio{width:100%;max-width:290px;height:32px;margin-top:8px;display:block}.grammar-nudge h3{color:var(--blue);margin:0 0 4px;font-size:.875rem}.grammar-nudge p{color:var(--muted);margin:0;font-size:.875rem;line-height:1.55}.grammar-feedback h3{margin:2px 0 8px;font-family:Literata Variable,serif;font-size:1.5rem}.grammar-feedback strong{display:block}.grammar-feedback div>p:last-child{color:var(--muted);margin:6px 0 0;font-size:.875rem}.grammar-feedback .primary-button{white-space:nowrap}.grammar-feedback-title span{background:color-mix(in srgb, var(--green) 14%, var(--surface));border-radius:var(--radius-pill);color:var(--green);padding:4px 8px;font-size:.75rem;font-weight:700}.grammar-result h2{letter-spacing:-.035em;margin:6px 0;font-family:Literata Variable,serif;font-size:clamp(1.8rem,4vw,2.8rem);font-weight:500;line-height:1.15}.grammar-result>p:not(.eyebrow){color:var(--muted);margin:5px 0}.grammar-own-sentence>span{color:var(--blue);letter-spacing:.05em;text-transform:uppercase;font-size:.75rem;font-weight:700}.grammar-own-sentence>strong{font-size:.875rem}.grammar-own-sentence>p{color:var(--muted);margin:0;font-size:.875rem;line-height:1.5}.grammar-own-sentence label{font-size:.75rem;font-weight:700}.grammar-own-sentence textarea{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);font:inherit;resize:vertical;width:100%;min-height:88px;padding:11px 12px;line-height:1.5}.grammar-own-sentence>button,.grammar-result .result-actions>button:not(.primary-button){background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);cursor:pointer;font:inherit;min-height:46px;padding:10px 14px;font-size:.75rem;font-weight:600}.grammar-own-check ul{gap:5px;margin:0;padding-left:18px;font-size:.75rem;display:grid}.grammar-own-check p{color:var(--muted);margin:9px 0 0;font-size:.75rem}.placement-page{max-width:980px;padding-top:62px}.placement-heading{margin-bottom:32px}.placement-heading h1{font-size:clamp(2.6rem,4.5vw,4rem)}.placement-heading>p:last-child{margin:18px 0 0}.can-do-card h2,.level-result h2{letter-spacing:-.035em;margin:10px 0 14px;font-family:Literata Variable,serif;font-size:clamp(1.8rem,3.5vw,2.45rem);font-weight:500;line-height:1.25}.can-do-card>p:last-child{color:var(--muted);margin:0;font-size:.875rem}.level-check-actions button{border-radius:var(--radius-pill);cursor:pointer;min-height:52px;padding:12px 18px;font-weight:600}.placement-question-card>p{color:var(--muted);margin:0 0 10px;font-size:.75rem;font-weight:700}.placement-question-card h2{letter-spacing:-.025em;max-width:780px;margin:0 0 22px;font-family:Literata Variable,serif;font-size:clamp(1.45rem,2.7vw,2rem);font-weight:500;line-height:1.35}.placement-choice-list button{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);color:var(--ink);cursor:pointer;text-align:left;grid-template-columns:30px minmax(0,1fr);align-items:center;gap:12px;min-height:52px;padding:9px 14px;font-size:.875rem;font-weight:600;display:grid}.placement-choice-list button:hover{border-color:var(--blue)}.placement-choice-list button>span{background:var(--surface-soft);border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:.75rem;display:flex}.placement-choice-list button.is-selected>span{background:var(--action);color:#fff}.onboarding-flow .onboarding-choice-list button>span,.onboarding-flow .onboarding-choice-list button.is-selected>span{color:var(--muted);background:0 0;border-radius:0;width:auto;height:auto;line-height:1.45;display:block}.placement-navigation>span{min-height:1px}.placement-navigation .primary-button:disabled{cursor:not-allowed;opacity:.48}.placement-skill-results li{background:var(--surface-soft);border-radius:var(--radius-md);justify-content:space-between;align-items:flex-start;gap:10px;padding:10px 12px;display:flex}.placement-skill-results span{color:var(--muted);gap:2px;font-size:.75rem;display:grid}.placement-skill-results span strong{color:var(--text)}.placement-skill-results small{font-size:.68rem;font-weight:500}.placement-skill-results strong{font-size:.875rem}.placement-first-step h3{margin:0 0 4px;font-family:Literata Variable,serif;font-size:1rem}.placement-first-step>p:last-child{color:var(--muted);margin:0;font-size:.75rem;line-height:1.5}.placement-result-actions>a:not(.primary-button){color:var(--blue);text-underline-offset:3px;padding:10px 2px;font-weight:700;text-decoration:underline}.placement-recommendations ol{gap:8px;margin:8px 0 0;padding:0;list-style:none;display:grid}.placement-recommendations li{background:var(--surface-soft);border:1px solid var(--line);border-radius:var(--radius-md);justify-content:space-between;align-items:center;gap:14px;padding:11px 12px;display:flex}.placement-recommendations a{color:var(--blue);font-weight:800}.placement-recommendations span{color:var(--muted);text-align:right;font-size:.75rem}.placement-extended label{align-items:flex-start;gap:8px;display:flex}.placement-writing textarea{border:1px solid var(--line);border-radius:var(--radius-md);font:inherit;resize:vertical;padding:10px}.placement-writing small,.placement-extended-result p{color:var(--muted)}.assessment-source a{color:var(--blue);text-underline-offset:3px;text-decoration:underline}.lesson-page{max-width:1100px;padding-bottom:max(36px, env(safe-area-inset-bottom));padding-top:clamp(24px,4vh,48px)}.lesson-intro{justify-content:space-between;align-items:end;max-width:700px;margin:0 auto 18px;display:flex}.lesson-intro .eyebrow{margin-bottom:2px}.lesson-intro h1{letter-spacing:-.04em;margin:0;font-family:Literata Variable,serif;font-size:clamp(1.9rem,3vw,2.8rem);font-weight:500;line-height:1.08}.lesson-intro-actions span{color:var(--muted);font-size:.75rem;font-weight:700}.lesson-intro-actions a{color:var(--blue);text-underline-offset:3px;align-items:center;min-height:40px;font-size:.75rem;font-weight:600;text-decoration:underline;display:inline-flex}.session-difficulty{flex-wrap:wrap;gap:6px;margin-top:10px;display:flex}.session-difficulty button{background:var(--surface);border:1px solid var(--line);color:var(--ink);cursor:pointer;font:inherit;border-radius:999px;min-height:36px;padding:6px 11px;font-size:.75rem}.session-difficulty button[aria-pressed=true]{background:var(--action);border-color:var(--action);color:#fff}.lesson-intro>p:last-child{color:var(--muted);text-align:right;flex-direction:column;align-items:flex-end;margin:0;line-height:1.35;display:flex}.lesson-intro>p:last-child span{font-size:.875rem}@keyframes progress-shimmer{0%{transform:translate(-100%)}to{transform:translate(200%)}}.lesson-coach{background:var(--deep);border:1px solid color-mix(in srgb, var(--blue) 35%, var(--line));box-shadow:0 16px 38px color-mix(in srgb, var(--deep) 24%, transparent);color:var(--on-deep);z-index:18;border-radius:20px 20px 6px;align-items:flex-start;gap:10px;width:214px;padding:16px;display:grid;position:absolute;top:52px;right:-234px}.flashcard{cursor:pointer;perspective:1200px;width:100%;height:clamp(350px,48vh,430px);transform-style:preserve-3d;-webkit-transform-style:preserve-3d;background:0 0;border:0;margin-top:14px;padding:0;position:relative}@media (hover:hover){.flashcard:hover .card-side{box-shadow:0 26px 54px color-mix(in srgb, var(--deep) 20%, transparent)}}@keyframes badge-pop{0%{opacity:0;transform:scale(.7)}70%{transform:scale(1.08)}to{opacity:1;transform:scale(1)}}.flashcard.is-flipped .card-front{transform:rotateY(-180deg)}.flashcard.is-flipped .card-back{transform:rotateY(0)}.card-front.has-visual strong{overflow-wrap:normal;text-wrap:balance;word-break:normal;margin:20px 0 2px;font-size:clamp(2.3rem,6vw,3.8rem)}.card-nudge b{font-size:1.125rem;line-height:1;animation:.7s ease-in-out infinite alternate finger-point}@keyframes nudge-in{0%{opacity:0;transform:translate(-50%,8px)}}@keyframes finger-point{to{transform:translateY(-4px)}}@keyframes card-invite{50%{transform:translateY(-5px)}}.lesson-action-dock{backdrop-filter:blur(18px);background:color-mix(in srgb, var(--surface) 96%, transparent);border:1px solid var(--line);z-index:20;border-radius:20px 20px 7px;margin:14px -10px 0;padding:11px 14px 14px;position:relative;bottom:auto;box-shadow:0 12px 44px #13263a21}.lesson-tools p{color:var(--muted);margin:0;font-size:.875rem}.lesson-complete h1{font-size:clamp(2.4rem,5vw,4rem)}.lesson-complete>p:not(.eyebrow){color:var(--muted)}.study-rhythm strong{color:var(--ink);font-size:1rem}.study-rhythm span{color:var(--muted);font-size:.75rem}.review-outcome-summary h2{text-align:center;margin:0 0 10px;font-size:1rem}.review-outcome-summary ul{gap:8px;margin:0;padding:0;list-style:none;display:grid}.review-outcome-summary li{background:var(--surface-soft);border:1px solid var(--line);border-radius:var(--radius-md);grid-template-columns:1fr auto;align-items:center;gap:3px 12px;padding:10px 14px;display:grid}.review-outcome-summary li>span{color:var(--green);font-size:.75rem;font-weight:700}.review-outcome-summary li>small{color:var(--muted);grid-column:1/-1}.srs-difficulty>span{font-size:.8rem;font-weight:800}.srs-difficulty>div{flex-wrap:wrap;gap:8px;display:flex}.srs-difficulty button{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-pill);cursor:pointer;padding:7px 12px}.srs-difficulty button[aria-pressed=true]{background:var(--blue);border-color:var(--blue);color:#fff}.srs-difficulty small{color:var(--muted)}@keyframes celebration-bounce{0%{opacity:0;transform:scale(0)rotate(-20deg)}65%{transform:scale(1.15)rotate(6deg)}85%{transform:scale(.96)rotate(-2deg)}to{opacity:1;transform:scale(1)rotate(0)}}@keyframes spark-spin{0%{transform:rotate(0)scale(1)}50%{transform:rotate(12deg)scale(1.1)}to{transform:rotate(-8deg)scale(.96)}}@media (min-width:861px){.lesson-page{padding-top:12px;padding-bottom:18px}.lesson-intro{margin-bottom:6px}.lesson-intro h1{font-size:clamp(1.6rem,2.2vw,2rem)}.lesson-intro>p:last-child span{font-size:.75rem}.flashcard{height:clamp(330px,100dvh - 350px,390px);margin-top:10px}}.legal-notice p{color:var(--muted);margin:6px 0 0}.device-data-confirmation>strong{font-size:1rem;display:block}.device-data-confirmation>p{color:var(--muted);margin:8px 0 16px;font-size:.875rem}.device-data-confirmation>div{flex-wrap:wrap;align-items:center;gap:16px;display:flex}.tour-replay{color:var(--muted);cursor:pointer;background:0 0;border:0;align-items:center;gap:7px;min-height:44px;margin-top:4px;padding:6px 0;font-size:.875rem;font-weight:600;display:inline-flex}.tour-replay span{border:1px solid var(--line);border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;display:inline-flex}.tour-replay:hover{color:var(--ink)}.guided-tour-layer{pointer-events:auto;z-index:1000;position:fixed;inset:0}.tour-spotlight{border:2px solid color-mix(in srgb, var(--yellow) 82%, white);border-radius:var(--radius-md);box-shadow:0 0 0 9999px #040c1685, 0 0 0 5px color-mix(in srgb, var(--yellow) 20%, transparent);pointer-events:none;transition:height .22s var(--ease-out), left .22s var(--ease-out), top .22s var(--ease-out), width .22s var(--ease-out);position:fixed}.tour-tooltip{background:var(--surface);border:1px solid var(--line);box-sizing:border-box;color:var(--ink);overflow-wrap:break-word;pointer-events:auto;border-radius:22px 22px 22px 7px;width:360px;max-width:calc(100vw - 32px);padding:20px;position:fixed;box-shadow:0 24px 70px #040c164d}.tour-pointer{color:var(--yellow);filter:drop-shadow(0 2px 3px #00000059);pointer-events:none;text-shadow:0 1px 2px #0003;transition:all .18s var(--ease-out);user-select:none;font-size:1.4rem;line-height:1;position:absolute}.tour-progress{color:var(--muted);justify-content:space-between;align-items:center;font-size:.75rem;font-weight:600;display:flex}.tour-progress>span:last-child{gap:5px;display:flex}.tour-progress i{background:var(--line);border-radius:var(--radius-pill);width:12px;height:5px;transition:width .18s;display:block}.tour-progress i.is-active{background:var(--blue);width:22px}.tour-tooltip h2{letter-spacing:-.02em;margin:12px 0 5px;font-family:Be Vietnam Pro,Be Vietnam Pro Fallback,sans-serif;font-size:1.25rem;line-height:1.35}.tour-tooltip>p{color:var(--muted);margin:0;font-size:.875rem;line-height:1.55}.tour-actions{justify-content:space-between;align-items:center;gap:10px;margin-top:18px;display:flex}.tour-actions button{border-radius:var(--radius-pill);cursor:pointer;min-height:44px;padding:9px 14px;font-size:.75rem;font-weight:600}.tour-skip{color:var(--muted);background:0 0;border:0}.tour-next{background:var(--action);border:1px solid var(--action);color:#fff}a:focus-visible,button:focus-visible{outline:3px solid var(--pink);outline-offset:4px}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (max-width:1080px){.hero{grid-template-columns:1fr;gap:24px;min-height:auto}.hero-copy{max-width:690px}.hero-study{width:100%;max-width:640px;margin:0 auto}}@media (max-width:1480px){.lesson-coach{grid-template-columns:auto 1fr auto;align-items:center;width:auto;margin-bottom:12px;padding:11px 14px;position:relative;top:auto;right:auto}}@media (max-width:860px){.home-audiences{grid-template-columns:1fr;gap:12px}.home-learning-doors>header{grid-template-columns:1fr;gap:14px}.home-audience{text-align:left;grid-template-columns:96px 1fr auto;justify-items:start;column-gap:14px;padding:12px 14px}.home-audience img{grid-row:span 2;width:96px;margin:0}.home-audience-go{grid-area:1/3/span 2;margin:0}html{scroll-padding-bottom:calc(104px + env(safe-area-inset-bottom))}body{padding-bottom:calc(100px + env(safe-area-inset-bottom))}main [id]{scroll-margin-top:76px}.header-actions .language-switcher,.header-actions .donate-button,.header-login{display:none}.header-actions{gap:6px}.notification-bell-btn,.theme-toggle{width:38px;min-width:38px;height:38px;min-height:38px}.header-register,.header-account{min-height:38px;padding:6px 12px;font-size:.8rem}.site-header{grid-template-columns:1fr auto;gap:10px;min-height:64px;padding:8px 16px}.site-navigation{backdrop-filter:blur(18px);background:color-mix(in srgb, var(--surface) 94%, transparent);border:1px solid var(--line);border-radius:var(--radius-lg);bottom:calc(12px + env(safe-area-inset-bottom));box-shadow:0 14px 38px color-mix(in srgb, var(--deep) 20%, transparent);z-index:60;grid-template-columns:repeat(4,1fr);gap:4px;width:min(560px,100% - 24px);padding:6px 8px;display:grid;position:fixed;left:50%;transform:translate(-50%)}.mobile-header-menu-btn{display:inline-flex}.site-navigation a{border-radius:var(--radius-md);color:var(--ink);cursor:pointer;background:0 0;border:0;flex-direction:column;justify-content:center;align-items:center;gap:2px;min-height:52px;padding:4px 2px;font-family:inherit;font-size:.75rem;font-weight:600;line-height:1.2;display:flex}.site-navigation a[aria-current=page]{background:var(--surface-soft);color:var(--blue)}.site-navigation svg,.mobile-nav-label{display:block}.site-navigation{grid-template-columns:repeat(4,1fr)}.site-navigation div.desktop-only-link,.site-navigation a.desktop-only-link{display:none}.site-navigation a.mobile-only-link{display:flex}.hero{grid-template-columns:1fr;min-height:auto;padding:26px 22px 18px}.hero-copy{max-width:690px}.hero-study{width:100%;max-width:560px;margin:0 auto}.daily-promise{grid-template-columns:1fr;padding:22px}.daily-promise div{border-bottom:1px solid #ffffff29;border-right:0;padding:18px 8px}.daily-promise div:last-child{border-bottom:0}.section-heading,.method-section{grid-template-columns:minmax(0,1fr);gap:38px}.method-section>*{min-width:0}.home-goal-list>a:not(:nth-child(4n)){border-right:0}.home-goal-list>a:not(:nth-child(2n)){border-right:1px solid var(--line)}.home-goal-list>a:nth-child(n+5){border-bottom:1px solid var(--line)}.home-goal-list>a:last-child{border-bottom:0}.grammar-feedback .primary-button{justify-content:center;justify-self:stretch}.goal-passport{grid-template-columns:1fr}.goal-journey{grid-template-columns:minmax(0,1fr)}.goal-official-facts ul{grid-template-columns:repeat(2,minmax(0,1fr))}.flashcard{height:clamp(310px,44vh,350px)}}@media (max-width:560px){.tour-tooltip{bottom:calc(92px + env(safe-area-inset-bottom));border-radius:22px 22px 8px;width:calc(100% - 32px);padding:18px;left:16px;top:auto!important}.tour-pointer{left:24px;right:auto;transform:none}.tour-actions{flex-direction:column-reverse;align-items:stretch}.tour-actions button{width:100%}.header-actions{gap:5px}.site-navigation{gap:1px;width:calc(100% - 12px);padding-left:4px;padding-right:4px}.site-navigation a{font-size:.75rem}.header-login,.header-register,.header-account{border-radius:var(--radius-pill);min-height:42px;padding:8px 16px;font-size:.8rem;font-weight:700}.header-account-loading{width:154px;height:44px}.theme-toggle{width:44px;min-width:44px;height:44px;min-height:44px}.site-header .brand{gap:8px;font-size:1rem}.hero{gap:0;padding:14px 22px}.hero-copy{min-width:0}.hero h1{font-size:clamp(1.75rem,7.6vw,2.2rem)}.hero h1 span,.hero h1 em{white-space:normal}.hero-lead{margin:8px 0 14px;font-size:.9375rem}.hero-actions{grid-template-columns:1fr;align-items:stretch;gap:12px;width:100%;display:grid}.hero-actions .learning-start-action{align-items:stretch;width:100%}.hero-actions .primary-button{text-align:center;white-space:normal;border-radius:var(--radius-pill);justify-content:center;width:100%;min-height:50px;padding:12px 24px;line-height:1.35}.hero-actions .text-link{place-self:center start;align-items:center;min-height:44px;font-size:.875rem;display:inline-flex}.hero-study,.hero-copy>.tour-replay{display:none}.daily-promise,.closing-cta{border-radius:var(--radius-lg);width:calc(100% - 24px)}.closing-cta{padding:52px 24px}.closing-cta .primary-button{text-align:center;white-space:normal;justify-content:center;width:100%}.word-card-preview{min-height:320px;padding:22px 18px;padding-bottom:64px!important}.preview-label{display:none}.study-note{height:auto;padding:6px 10px;top:-10px;left:12px}.word-card-preview button{width:40px;height:40px;top:14px;right:14px}.word-card-preview strong{margin-top:32px;font-size:clamp(1.8rem,7.5vw,2.6rem)}.word-card-preview.has-visual strong{max-width:62%}.word-card-preview.has-visual.is-long-word strong{font-size:clamp(1.55rem,7vw,2rem)}.preview-visual{width:112px;height:112px;top:132px;right:18px}.sound-ribbon{justify-content:space-evenly;gap:8px;width:calc(100% - 24px);padding:8px 12px;bottom:-12px;left:50%;transform:translate(-50%)}.sound-ribbon span{padding:1px 2px;font-size:.8rem}.sound-ribbon span:nth-child(2n){display:none}.section-wrap,.content-page,.lesson-page,.legal-page{padding-left:22px;padding-right:22px}.home-goals{margin-top:4px;padding-left:22px;padding-right:22px}.home-goals>header{flex-direction:column;align-items:flex-start}.home-goals h2{font-size:1.5rem;line-height:1.3}.home-goals>header>a{min-height:36px}.home-pathway{min-height:94px;padding:14px}.home-goal-list>a,.home-goal-list>a:not(:nth-child(2n)),.home-goal-list>a:nth-last-child(-n+2){border-bottom:1px solid var(--line);border-right:0}.explore-scope li{padding:13px 10px}.explore-scope li+li{border-left:0}.explore-scope li:nth-child(2n){border-left:1px solid var(--line)}.explore-scope li:nth-child(n+3){border-top:1px solid var(--line)}.goal-passport{gap:22px;padding:22px}.goal-journey{padding-left:18px}.goal-journey:before{left:4px}.goal-journey>li:before{left:-22px}.placement-page{padding-top:42px}.placement-heading{margin-bottom:24px}.placement-heading h1{font-size:2.5rem}.placement-heading>p:last-child{font-size:1rem}.lesson-page{padding-bottom:max(22px, env(safe-area-inset-bottom));padding-top:16px}.lesson-intro{align-items:center;margin-bottom:10px}.lesson-intro h1{font-size:clamp(1.55rem,7vw,2rem)}.lesson-intro-actions span,.lesson-intro-actions a{font-size:.75rem}.lesson-intro>p:last-child span{max-width:150px;font-size:.75rem}.placement-question-card h2{font-size:1.25rem}.placement-choice-list button{font-size:.875rem}.can-do-card h2{font-size:1.75rem}.level-check-actions button{padding:10px 8px;font-size:.875rem}.sound-heading .eyebrow{margin-bottom:8px}.sound-heading h1 br,.grammar-heading h1 br{display:none}.grammar-coverage{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-bottom:12px}.grammar-coverage li{border-radius:var(--radius-md);align-content:start;padding:10px 11px}.grammar-coverage strong{font-size:.875rem;line-height:1.3}.grammar-coverage span{font-size:.75rem}.grammar-lesson-copy audio{max-width:none}.goal-roadmap{margin-bottom:50px}.goal-passport{gap:22px;margin-left:-10px;margin-right:-10px;padding:22px 18px}.lesson-coach{border-radius:16px 16px 5px;grid-template-columns:1fr auto;gap:8px;margin-bottom:9px;padding:9px 11px}.lesson-coach p{display:none}.flashcard{height:clamp(280px,43svh,345px);margin-top:11px}.card-front.is-long-word strong{font-size:2rem}.card-front.has-visual strong{margin-top:14px;font-size:clamp(1.55rem,7.5vw,2rem)}.lesson-audio-actions .sound-button{flex:1;justify-content:center;padding-left:8px;padding-right:8px;font-size:.75rem}}@media (max-width:560px) and (max-height:720px){.lesson-intro h1{font-size:1.5rem}.lesson-intro-support,.lesson-intro-actions span,.lesson-intro>p:last-child span{display:none}.flashcard{height:220px;margin-top:8px}}.srs-due-panel h2{margin:0;font-size:1.35rem}.srs-due-panel ul{gap:8px;margin:0;padding:0;list-style:none;display:grid}.srs-due-panel li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);justify-content:space-between;align-items:center;gap:16px;padding:11px 14px;display:flex}.srs-due-panel li span{min-width:0;display:grid}.srs-due-panel li small{color:var(--muted);font-size:.72rem}.srs-due-panel li strong{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.srs-due-panel li a{color:var(--blue);flex:none;font-weight:700}.account-code label{gap:6px;font-weight:600;display:grid}.account-code input{letter-spacing:.4em;text-align:center;font-size:1.5rem}.activate-page form{gap:12px;max-width:420px;display:grid}.email-verification-page h1{font-size:clamp(1.6rem,5vw,2.2rem)}.email-verification-page summary{cursor:pointer;min-height:44px}.email-verification-page form{max-width:100%}.email-verification-toggle input{flex-shrink:0;width:20px;height:20px}.signed-in-strip>span{display:grid}.signed-in-strip small{color:var(--muted)}.signed-in-strip p{color:var(--green);margin:0 auto;font-size:.75rem}.signed-in-strip button{color:var(--muted);cursor:pointer;background:0 0;border:0;min-height:40px}.exam-study-plan-heading h3{margin:0;font-size:1.2rem}.exam-study-plan-heading p:not(.eyebrow){color:var(--muted);margin:6px 0 0}.exam-study-plan-heading label{color:var(--muted);gap:5px;font-size:.75rem;display:grid}.exam-study-plan-heading input{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);min-height:42px;padding:8px 10px}.exam-study-plan-heading button{background:var(--action);border-radius:var(--radius-sm);color:#fff;cursor:pointer;border:0;min-height:42px;padding:8px 14px;font-weight:700}.exam-plan-attach span{gap:2px;display:grid}.exam-plan-attach small{color:var(--muted)}.exam-plan-attach button{background:var(--surface);border:1px solid var(--blue);border-radius:var(--radius-sm);color:var(--blue);cursor:pointer;flex:none;min-height:42px;padding:8px 12px;font-weight:700}.exam-plan-summary span{background:var(--surface-soft);border-radius:var(--radius-sm);padding:12px;display:grid}.exam-plan-summary small{color:var(--muted)}.exam-plan-sessions li{border-top:1px solid var(--line);grid-template-columns:100px minmax(0,1fr);align-items:center;gap:14px;padding:11px 0;display:grid}.exam-plan-sessions time{color:var(--muted);font-size:.75rem}.exam-plan-sessions a{color:var(--ink);font-weight:650}.history-panel>header>span{color:var(--muted);font-size:.75rem}.history-list li{border-top:1px solid var(--line);justify-content:space-between;align-items:center;padding:16px 0;display:flex}.history-list li>span{display:grid}.history-list small{color:var(--muted);font-size:.75rem}.empty-state p{color:var(--muted);margin:6px 0 20px}.setting-row>span{display:grid}.setting-row small,.settings-note{color:var(--muted);font-size:.75rem}.setting-row select{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);min-height:44px;padding:8px 34px 8px 12px}.reminder-schedule label{color:var(--muted);gap:6px;font-size:.75rem;display:grid}.reminder-schedule input{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);width:100%;min-height:44px;padding:8px 12px}@media (max-width:760px){.exam-plan-sessions li{grid-template-columns:88px minmax(0,1fr)}.history-list li{align-items:flex-start;gap:12px}}@media (max-width:420px){.site-header{gap:5px;padding-left:14px;padding-right:14px}.brand>span:last-child{display:none}.header-login,.header-register{padding-left:8px;padding-right:8px}.vocab-library-actions{width:100%}.vocab-space-switch{white-space:nowrap;flex:auto;min-width:0}}.vocabulary-heading h1{font-size:clamp(2.25rem,3.4vw,3.15rem);font-weight:600}.vocab-placement-invite{background:color-mix(in srgb, var(--blue) 7%, var(--surface));border:1px solid color-mix(in srgb, var(--blue) 22%, var(--line));border-radius:var(--radius-md);justify-content:space-between;align-items:center;gap:20px;margin:18px 0 12px;padding:12px 15px;display:flex}.vocab-placement-invite>div{gap:2px;display:grid}.vocab-placement-invite strong{font-size:.875rem}.vocab-placement-invite span{color:var(--muted);font-size:.75rem;line-height:1.45}.vocab-placement-invite>a{color:var(--blue);text-underline-offset:3px;flex:none;font-size:.75rem;font-weight:600;text-decoration:underline}.vocab-scope{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);grid-template-columns:repeat(4,1fr);margin:20px 0 18px;padding:0;list-style:none;display:grid}.vocab-scope li{padding:10px 16px;display:grid}.vocab-scope li+li{border-left:1px solid var(--line)}.vocab-scope strong{font-size:1.125rem}.vocab-scope span{color:var(--muted);font-size:.75rem}.vocab-roadmap-entry{background:color-mix(in srgb, var(--blue) 6%, var(--surface));border:1px solid color-mix(in srgb, var(--blue) 24%, var(--line));border-radius:var(--radius-md);grid-template-columns:minmax(0,1fr) minmax(430px,.9fr);align-items:center;gap:24px;margin:28px 0 22px;padding:20px 22px;display:grid}.vocab-roadmap-entry .eyebrow{margin-bottom:3px}.vocab-roadmap-entry h2{margin:0 0 4px;font-size:1.25rem;line-height:1.35}.vocab-roadmap-entry p:last-child{color:var(--muted);max-width:620px;margin:0;font-size:.875rem;line-height:1.55}.vocab-roadmap-entry nav{grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;display:grid}.vocab-roadmap-entry nav a{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);text-align:center;justify-content:center;align-items:center;min-height:42px;padding:6px 8px;font-size:.75rem;font-weight:600;display:flex}.vocab-roadmap-entry nav a:hover{border-color:var(--blue);color:var(--blue)}.vocab-level-section{background:var(--deep);color:var(--on-deep);border-radius:20px 20px 8px;grid-template-columns:minmax(240px,.75fr) minmax(0,1.25fr);align-items:center;gap:20px;margin-bottom:14px;padding:16px 20px;display:grid}.vocab-level-copy>span{color:#9fc5ff;letter-spacing:.08em;text-transform:uppercase;font-size:.75rem;font-weight:600}.vocab-level-copy>p{color:color-mix(in srgb, var(--on-deep) 72%, transparent);max-width:390px;margin:3px 0 0;font-size:.75rem;line-height:1.5}.vocab-level-switch button{background:color-mix(in srgb, var(--on-deep) 7%, transparent);border:1px solid color-mix(in srgb, var(--on-deep) 18%, transparent);border-radius:var(--radius-sm);color:var(--on-deep);cursor:pointer;text-align:left;gap:0;min-height:58px;padding:7px;display:grid}.vocab-level-switch button:hover{background:color-mix(in srgb, var(--on-deep) 12%, transparent)}.vocab-level-switch button[aria-pressed=true]{background:var(--surface);border-color:var(--surface);color:var(--ink);transform:translateY(-2px)}.vocab-library-toolbar{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.app-flashcard-library{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px}.app-flashcard-library>header{justify-content:space-between;align-items:start;gap:16px;display:flex}.app-flashcard-library>header span{color:var(--blue);letter-spacing:.08em;font-size:.75rem;font-weight:600}.app-flashcard-library h3{margin:4px 0;font-size:1.5rem}.app-flashcard-library header p,.app-flashcard-loading{color:var(--muted);margin:0;font-size:.875rem}.app-flashcard-library>header>strong{color:var(--blue);white-space:nowrap;font-size:.75rem}.app-library-sidebar button{border-radius:var(--radius-md);cursor:pointer;text-align:left;background:0 0;border:1px solid #0000;grid-template-columns:48px minmax(0,1fr);align-items:center;gap:10px;min-height:66px;padding:8px;display:grid}.app-library-sidebar button:hover{background:var(--surface-soft)}.app-library-sidebar button[aria-pressed=true]{background:color-mix(in srgb, var(--blue) 10%, var(--surface));border-color:color-mix(in srgb, var(--blue) 40%, var(--line))}.app-library-sidebar img,.app-library-fallback{background:var(--surface-soft);border-radius:var(--radius-sm);object-fit:cover;width:48px;height:48px}.app-library-sidebar button>span{gap:1px;min-width:0;display:grid}.app-library-sidebar small,.app-library-sidebar em{color:var(--muted);font-size:.75rem;font-style:normal}.app-library-sidebar strong{text-overflow:ellipsis;white-space:nowrap;font-size:.75rem;line-height:1.25;overflow:hidden}.app-flashcard-packs button{background:var(--surface-soft);border:1px solid var(--line);border-radius:var(--radius-md);cursor:pointer;text-align:left;flex:0 0 158px;gap:3px;padding:10px;display:grid}.app-flashcard-packs button[aria-pressed=true]{background:color-mix(in srgb, var(--blue) 10%, var(--surface));border-color:var(--blue)}.app-flashcard-packs small,.app-flashcard-packs em{color:var(--muted);font-size:.75rem;font-style:normal}.app-flashcard-packs span{font-size:.75rem;font-weight:700;line-height:1.3}.app-library-word-media img,.app-library-word-lottie{object-fit:contain;width:100%;height:100%}.app-grammar-library{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);margin-top:20px;padding:24px}.app-grammar-library>header{justify-content:space-between;align-items:start;gap:16px;display:flex}.app-grammar-library header>div{max-width:620px}.app-grammar-library header span,.app-grammar-card-topline span{color:var(--blue);letter-spacing:.04em;font-size:.75rem;font-weight:600}.app-grammar-library h2{margin:4px 0;font-family:Literata Variable,serif;font-size:clamp(1.45rem,2.3vw,1.95rem);line-height:1.2}.app-grammar-library header p{color:var(--muted);margin:0;font-size:.875rem;line-height:1.5}.app-grammar-library>header>strong{color:var(--blue);white-space:nowrap;font-size:.75rem}.app-grammar-topic-list button{border-radius:var(--radius-md);cursor:pointer;text-align:left;background:0 0;border:1px solid #0000;grid-template-columns:32px minmax(0,1fr);align-items:center;gap:9px;min-height:58px;padding:7px;display:grid}.app-grammar-topic-list button:hover{background:var(--surface-soft)}.app-grammar-topic-list button[aria-pressed=true]{background:color-mix(in srgb, var(--blue) 10%, var(--surface));border-color:color-mix(in srgb, var(--blue) 38%, var(--line))}.app-grammar-topic-list>button>span:first-child{background:var(--surface-soft);border-radius:var(--radius-sm);color:var(--blue);justify-content:center;align-items:center;width:32px;height:32px;font-family:Literata Variable,serif;font-size:1rem;display:flex}.app-grammar-topic-list button>span:last-child{gap:1px;min-width:0;display:grid}.app-grammar-topic-list small,.app-grammar-topic-list em{color:var(--muted);font-size:.75rem;font-style:normal}.app-grammar-topic-list strong{text-overflow:ellipsis;white-space:nowrap;font-size:.75rem;line-height:1.25;overflow:hidden}.app-grammar-card-topline strong{color:var(--muted);font-size:.75rem}.app-grammar-word h3{letter-spacing:-.04em;margin:0;font-family:Literata Variable,serif;font-size:clamp(2.25rem,4.3vw,4rem);font-weight:500;line-height:1}.app-grammar-word p{color:var(--blue);margin:7px 0 0;font-size:1rem;font-weight:700}.app-grammar-card blockquote{color:var(--ink);max-width:720px;margin:0;padding:0;font-family:Literata Variable,serif;font-size:clamp(1.05rem,1.7vw,1.35rem);line-height:1.5}.app-grammar-sentence>span{color:var(--muted);margin-bottom:4px;font-size:.75rem;font-weight:600;display:block}.admin-shell>header,.admin-content>header{justify-content:space-between;align-items:start;gap:24px;display:flex}.admin-shell>header>span{background:color-mix(in srgb, var(--mint) 55%, var(--surface));border-radius:var(--radius-pill);color:var(--green);white-space:nowrap;padding:8px 12px;font-size:.75rem;font-weight:600}.admin-shell h1,.admin-login h1{margin:5px 0;font-size:clamp(2rem,4vw,3.2rem)}.admin-shell header>div>p:last-child,.admin-login>p{color:var(--muted);margin:0}.admin-metrics span{color:var(--muted);font-size:.75rem}.admin-metrics strong{font-family:Literata Variable,serif;font-size:1.5rem}.admin-content h2{margin:4px 0 0}.admin-content-list strong,.admin-content-list span{display:block}.admin-content-list strong{font-size:.875rem}.admin-content-list span{color:var(--muted);margin-top:3px;font-size:.75rem}.admin-login label{color:var(--muted);gap:6px;font-size:.75rem;font-weight:700;display:grid}.admin-login input{background:var(--surface-soft);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);font:inherit;min-height:44px;padding:8px 10px}.admin-confirm>div{background:var(--surface);border-radius:var(--radius-md);max-width:440px;padding:26px}.admin-confirm h2{margin:5px 0}.admin-confirm button{background:var(--surface-soft);border-radius:var(--radius-sm);cursor:pointer;font:inherit;border:0;min-height:40px;margin:10px 8px 0 0;padding:7px 12px}.vocab-workspace{grid-template-columns:280px minmax(0,1fr);align-items:start;gap:18px;display:grid}.vocab-pack-list button{border-radius:var(--radius-md);cursor:pointer;text-align:left;background:0 0;border:1px solid #0000;min-height:104px;padding:13px 44px 13px 14px;display:grid;position:relative}.vocab-learning-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);min-width:0;padding:24px;scroll-margin-top:96px}.vocab-panel-heading{justify-content:space-between;align-items:start;gap:24px;display:flex}.vocab-panel-heading h2{margin:3px 0 5px;font-size:clamp(1.4rem,2.5vw,2rem);line-height:1.25}.mindmap-detail h3{margin:0;font-family:Literata Variable,serif;font-size:1.5rem;font-weight:600;line-height:1.2}.mindmap-detail h3 span{color:var(--blue);font-family:Be Vietnam Pro,Be Vietnam Pro Fallback,sans-serif;font-size:var(--text-sm);margin-top:4px;font-weight:500;display:block}.mindmap-detail-example span{color:var(--muted);font-family:Be Vietnam Pro,Be Vietnam Pro Fallback,sans-serif;font-size:var(--text-sm)}.mindmap-root span{color:#9fc5ff;letter-spacing:.08em;font-size:.75rem;font-weight:600}.mindmap-root h2{margin:6px 0;font-size:1.25rem;line-height:1.35}.mindmap-root p{color:color-mix(in srgb, var(--on-deep) 68%, transparent);margin:0;font-size:.75rem}.vocab-card-keyboard-hints span{align-items:center;gap:4px;display:inline-flex}.vocab-card-progress span{color:var(--muted);font-size:.75rem}.vocab-card-progress b{background:linear-gradient(90deg, var(--blue), color-mix(in srgb, var(--blue) 80%, #60a5fa));border-radius:inherit;box-shadow:0 0 8px color-mix(in srgb, var(--blue) 35%, transparent);height:100%;transition:width var(--motion-base) var(--ease-out);display:block;position:relative;overflow:hidden}.vocab-focus-card{background:color-mix(in srgb, var(--surface-soft) 46%, var(--surface));border:1px solid var(--line);text-align:center;border-radius:20px 20px 6px;flex-direction:column;justify-content:center;align-items:center;min-height:372px;margin-top:14px;padding:34px;display:flex;position:relative}.vocab-focus-card>strong{letter-spacing:-.04em;overflow-wrap:normal;text-wrap:balance;word-break:normal;margin:12px 0 5px;font-family:Literata Variable,serif;font-size:clamp(2.5rem,5vw,4rem);font-weight:500;line-height:1.15}.vocab-answer h3{color:var(--blue);margin:0 0 7px;font-size:1.125rem}.vocab-answer p{margin:0 0 5px;font-size:.875rem}.vocab-answer small,.vocab-card-rating>span{color:var(--muted);font-size:.75rem}.vocab-card-rating>button{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);cursor:pointer;min-height:42px;padding:8px 12px;font-size:.75rem;font-weight:700}.vocab-card-summary>span{color:var(--green);text-transform:uppercase;font-size:.75rem;font-weight:600}.vocab-card-summary h3,.vocab-card-summary p{margin:0}.vocab-card-summary p{color:var(--muted);font-size:.875rem;line-height:1.55}.vocab-practice-loop strong{font-size:.75rem}.vocab-practice-loop span,.vocab-practice-progress span,.vocab-practice-progress strong{color:var(--muted);font-size:.75rem}.vocab-practice-progress b{background:linear-gradient(90deg, var(--blue), color-mix(in srgb, var(--blue) 80%, #60a5fa));border-radius:inherit;box-shadow:0 0 8px color-mix(in srgb, var(--blue) 35%, transparent);height:100%;transition:width var(--motion-base) var(--ease-out);display:block;position:relative;overflow:hidden}.vocab-question-card h3{max-width:720px;margin:34px 0 24px;font-family:Literata Variable,serif;font-size:clamp(1.45rem,3vw,2.2rem);font-weight:500;line-height:1.35}.vocab-choice-list button{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);cursor:pointer;min-height:58px;padding:11px}.vocab-choice-list button:hover:not(:disabled){border-color:var(--blue);color:var(--blue);transform:translateY(-1px)}.vocab-choice-hint strong{color:var(--blue);font-size:.875rem}.vocab-choice-hint span{color:var(--muted);letter-spacing:.05em;text-transform:uppercase;font-size:.75rem;font-weight:600}.vocab-choice-hint p{margin:0;font-size:.875rem;line-height:1.5}.vocab-typed-answer label{color:var(--muted);margin-bottom:6px;font-size:.75rem;font-weight:600;display:block}.vocab-typed-answer input{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);min-height:50px;padding:10px 13px}.vocab-typed-answer button,.vocab-feedback>button,.vocab-level-empty button{background:var(--action);border-radius:var(--radius-sm);color:#fff;cursor:pointer;border:0;min-height:48px;padding:10px 16px;font-weight:700}.vocab-feedback strong{color:var(--green)}.vocab-feedback p{margin:3px 0 0;font-size:.75rem}.vocab-feedback small{color:var(--muted);margin-top:5px;font-size:.75rem;display:block}.vocab-feedback-title span{background:color-mix(in srgb, var(--green) 14%, var(--surface));border-radius:var(--radius-pill);color:var(--green);padding:3px 7px;font-size:.75rem;font-weight:700}.vocab-practice-summary>span{color:var(--green);text-transform:uppercase;font-size:.75rem;font-weight:600}.vocab-practice-summary h3{margin:7px 0;font-size:1.75rem}.vocab-practice-summary p,.vocab-level-empty p{color:var(--muted)}.vocab-summary-actions button{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);cursor:pointer;min-height:48px;padding:10px 16px;font-weight:700}.goal-lesson-heading .text-link{color:var(--blue);margin-top:-18px;display:inline-flex}.goal-course-page{max-width:1180px;padding:38px var(--page-gutter) 90px;margin:0 auto}.goal-course-breadcrumb{color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:24px;font-size:.75rem;display:flex}.goal-course-heading{border-bottom:0;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:40px;margin-bottom:20px;padding-bottom:4px;display:grid}.goal-course-heading h1{letter-spacing:-.04em;max-width:820px;margin:8px 0 12px;font-family:Literata Variable,serif;font-size:clamp(2.15rem,4.5vw,3.65rem);font-weight:500;line-height:1.13}.goal-course-heading dl{gap:14px;min-width:190px;margin:0;display:grid}.goal-course-heading dl div{border-left:2px solid var(--blue);gap:2px;padding-left:12px;display:grid}.goal-course-heading dd{margin:0;font-size:.875rem;font-weight:600}.goal-course-layout{grid-template-columns:190px minmax(0,1fr);align-items:start;gap:44px;margin-top:34px;display:grid}.goal-course-outline{position:sticky;top:106px}.goal-course-outline ol{border-left:1px solid var(--line);gap:2px;margin:12px 0 0;padding:0 0 0 14px;list-style:none;display:grid}.goal-course-outline a{border-radius:var(--radius-sm);color:var(--muted);padding:8px;font-size:.75rem;line-height:1.4;display:block}.goal-course-content>section{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);grid-template-columns:38px minmax(0,1fr);gap:16px;padding:24px;scroll-margin-top:100px;display:grid}.goal-course-content>section>:not(.lesson-section-number){grid-column:2}.goal-course-content h2{margin:3px 0 0;font-size:1.25rem;line-height:1.35}.lesson-explanation{max-width:760px;margin:0;font-size:1rem;line-height:1.72}.lesson-topic-visual img{border-radius:var(--radius-md);width:100%;height:auto;margin-bottom:12px;display:block}.lesson-vocabulary ul{gap:8px;margin:0;padding:0;list-style:none;display:grid}.lesson-vocabulary li{background:var(--surface);border-radius:var(--radius-sm);grid-template-columns:44px minmax(0,1fr) auto;align-items:center;gap:9px;padding:8px;display:grid}.lesson-vocabulary button{background:color-mix(in srgb, var(--blue) 9%, var(--surface));color:var(--blue);cursor:pointer;border:0;border-radius:50%;justify-content:center;align-items:center;width:44px;min-width:44px;height:44px;min-height:44px;padding:0;display:inline-flex}.lesson-vocabulary b{font-size:.875rem}.lesson-vocabulary small{color:var(--muted);text-align:right;font-size:.75rem}.lesson-focus-strip{background:color-mix(in srgb, var(--blue) 6%, var(--surface));border-left:3px solid var(--blue);border-radius:3px 10px 10px 3px;padding:13px 15px}.lesson-worked-example{background:var(--surface-soft);border:1px solid var(--line);border-radius:var(--radius-md);color:var(--ink);gap:18px;margin:0;padding:20px;display:grid;position:relative}.lesson-audio-control strong{font-size:.875rem}.lesson-practice-box>p{margin:0 0 4px;font-size:1rem;line-height:1.65}.lesson-practice-box label{font-size:.75rem;font-weight:700}.lesson-practice-box textarea{background:var(--surface-soft);border:1px solid var(--line);border-radius:var(--radius-md);color:var(--ink);font:inherit;resize:vertical;width:100%;min-height:150px;padding:13px;line-height:1.55}.lesson-practice-box input{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);font:inherit;width:100%;min-height:46px;padding:10px 12px}.lesson-practice-box input:focus{border-color:var(--blue);outline:3px solid color-mix(in srgb, var(--blue) 14%, transparent)}.lesson-practice-box small{color:var(--muted);text-align:right;font-size:.75rem}.lesson-quick-check>p[role=status]{border-radius:var(--radius-sm);padding:10px 12px;font-size:.75rem}.lesson-dictation>p{margin:0;font-size:.75rem;font-weight:600}.lesson-chunk-bank button{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);cursor:pointer;font:inherit;min-height:44px;padding:8px 11px;font-size:.75rem}.lesson-chunk-bank button:hover{border-color:var(--blue);color:var(--blue)}.lesson-builder-actions button{min-height:44px}.lesson-sentence-builder>p{margin:0;font-size:.75rem;font-weight:600}.lesson-self-check li{background:var(--surface-soft);border-radius:var(--radius-sm);font-size:.75rem;line-height:1.5}.lesson-self-check label{cursor:pointer;align-items:flex-start;gap:12px;min-height:44px;padding:12px;display:flex}.lesson-self-check input{accent-color:var(--blue);flex:0 0 20px;width:20px;height:20px;margin:2px 0 0}.goal-course-navigation a{color:var(--blue-dark);align-items:center;gap:4px;font-size:.75rem;font-weight:700;line-height:1.4;display:flex}.lesson-access-card h1{margin:10px 0;font-family:Literata Variable,serif;font-size:2rem;font-weight:500}.vocab-card-actions{grid-template-columns:1fr minmax(150px,1.2fr) 1fr;gap:10px;margin-top:12px;display:grid}.vocab-card-actions>button{border:1px solid var(--line);border-radius:var(--radius-md);cursor:pointer;background:0 0;min-height:48px}.custom-map-tools h2{margin:0;font-size:1.5rem;line-height:1.3}.custom-map-tools label{color:var(--muted);gap:5px;font-size:.75rem;font-weight:600;display:grid}.custom-map-tools input,.custom-map-tools select{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);width:100%;min-height:44px;padding:8px 11px}.custom-map-entry button{background:var(--deep);border-radius:var(--radius-sm);color:var(--on-deep);cursor:pointer;border:0;min-height:44px}.personal-map-branches header{justify-content:space-between;align-items:center;display:flex}.personal-map-branches h3{margin:0;font-size:.75rem}.personal-map-branches ul{flex-wrap:wrap;gap:6px;margin:10px 0 0;padding:0;list-style:none;display:flex}.personal-map-branches li{background:var(--surface-soft);border-radius:var(--radius-pill);padding:5px 8px;font-size:.75rem}@media (max-width:980px){.goal-course-layout{grid-template-columns:150px minmax(0,1fr);gap:24px}.vocab-workspace{grid-template-columns:1fr}}@media (max-width:760px){.lesson-page{padding-bottom:calc(146px + env(safe-area-inset-bottom))}.vocab-card-actions{background:color-mix(in srgb, var(--surface) 96%, transparent);border:1px solid var(--line);bottom:max(8px, env(safe-area-inset-bottom));box-shadow:0 10px 28px color-mix(in srgb, var(--deep) 17%, transparent);z-index:30;border-radius:14px 14px 6px;margin:0;padding:7px;position:fixed;left:10px;right:10px}.goal-course-page{padding:24px 20px calc(110px + env(safe-area-inset-bottom))}.goal-course-heading{grid-template-columns:1fr;align-items:start;gap:18px}.goal-course-heading h1{font-size:clamp(2rem,9vw,2.65rem)}.goal-course-heading dl{flex-wrap:wrap;min-width:0;display:flex}.goal-course-layout{margin-top:24px;display:block}.goal-course-outline{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);scrollbar-width:none;margin-bottom:14px;padding:10px;position:static;overflow-x:auto}.goal-course-outline>span{display:none}.goal-course-outline ol{border-left:0;gap:5px;width:max-content;margin:0;padding:0;display:flex}.goal-course-content>section{grid-template-columns:minmax(0,1fr);gap:13px;padding:18px 14px}.goal-course-content>section>:not(.lesson-section-number){grid-column:1}.goal-course-content .lesson-section-number{display:none}.vocab-roadmap-entry{grid-template-columns:1fr;align-items:start}.vocab-scope{grid-template-columns:repeat(2,1fr)}.vocab-scope li:nth-child(3){border-left:0}.vocab-scope li:nth-child(n+3){border-top:1px solid var(--line)}.vocab-panel-heading{flex-direction:column;align-items:stretch;gap:14px}}@media (max-width:560px){.vocabulary-heading h1{font-size:2rem}.vocab-placement-invite{flex-direction:column;align-items:flex-start;gap:9px}.vocab-placement-invite>a{min-height:36px;padding-top:7px}.vocab-scope{margin-top:22px}.vocab-scope li{padding:12px 13px}.vocab-roadmap-entry{gap:16px;padding:17px}.vocab-roadmap-entry nav{grid-template-columns:repeat(2,minmax(0,1fr))}.vocab-library-toolbar{align-items:stretch;gap:8px}.app-flashcard-library{border-radius:var(--radius-md);margin-left:-8px;margin-right:-8px;padding:16px}.app-grammar-library{border-radius:var(--radius-md);padding:16px 16px calc(126px + env(safe-area-inset-bottom));margin-left:-8px;margin-right:-8px}.app-grammar-picker>span{color:var(--muted);font-size:.75rem;font-weight:600}.app-grammar-picker select{appearance:none;background:var(--surface-soft);border:1px solid var(--line);border-radius:var(--radius-md);color:var(--ink);width:100%;min-width:0;min-height:46px;padding:0 12px;font:700 .86rem Be Vietnam Pro,Be Vietnam Pro Fallback,sans-serif}.app-grammar-word h3{font-size:clamp(2rem,10vw,3rem)}.app-library-picker select{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);font:inherit;width:100%;min-height:44px;padding:8px 10px}.admin-shell>header,.admin-content>header{flex-direction:column;gap:13px}.vocab-learning-panel{border-radius:var(--radius-md);margin-left:-8px;margin-right:-8px;padding:16px}.vocab-level-section{border-radius:17px 17px 6px;margin-left:-8px;margin-right:-8px;padding:16px}.vocab-panel-heading>div:first-child>span,.vocab-panel-heading>div:first-child>p{display:none}.vocab-question-card h3{margin-top:46px;font-size:1.5rem}.vocab-choice-list button{text-align:left;min-height:48px}.vocab-feedback>button{width:100%}.vocab-focus-card>strong{max-width:calc(100% - 55px);font-size:clamp(2.1rem,12vw,3rem)}.vocab-focus-card.has-word-media{justify-content:flex-end;min-height:390px;padding:158px 18px 28px}.vocab-focus-card.has-word-media>strong{max-width:100%}.vocab-card-actions>button{padding:7px;font-size:.75rem}}@keyframes backdrop-fade{0%{opacity:0}to{opacity:1}}@keyframes modal-spring-in{0%{opacity:0;transform:scale(.94)translateY(12px)}to{opacity:1;transform:scale(1)translateY(0)}}.sound-selector,.sound-ribbon,.pronunciation-roadmap,.admin-table-wrap,.admin-sidebar nav,.vocab-topic-filter>div{-webkit-overflow-scrolling:touch}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}img,video,canvas{-webkit-user-drag:none;-webkit-touch-callout:none;user-select:none}html:has(.kid-lesson) body{background:radial-gradient(circle at 10% 0,#ffe9c7 0,#0000 26rem),radial-gradient(circle at 92% 18%,#dff1ff 0,#0000 24rem),radial-gradient(circle at 50% 100%,#e6f8e9 0,#0000 30rem),#fffaf3}.kid-lesson .content-page>a:first-child{color:var(--muted);font-size:.85rem}.keep-progress-invite p{color:var(--ink);margin:0}.lottie-picture>img{object-fit:contain;width:100%;height:100%;position:absolute;inset:0}.jigsaw-editor label{color:var(--muted);gap:7px;font-size:.8rem;font-weight:700;display:grid}.jigsaw-editor input,.jigsaw-editor select{border:1px solid var(--line);background:var(--surface-soft);min-height:42px;color:var(--ink);font:inherit;border-radius:9px;padding:8px 10px}.jigsaw-preview img{object-fit:contain;width:100%;height:100%;max-height:390px}.admin-create-user label{gap:8px;margin:18px 0;display:grid}.admin-create-user input{border:1px solid var(--line);border-radius:8px;width:100%;min-height:48px;padding:10px}.page-state{max-width:560px;padding:clamp(32px, 8vw, 72px) var(--page-gutter) 96px;margin:0 auto}.page-state h1{margin:0 0 12px;font-size:clamp(1.75rem,5vw,2.5rem);line-height:1.2}.page-state>p{color:var(--muted);font-size:var(--text-lg);margin:0 0 24px;line-height:1.6}.page-state-links a{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-pill);color:var(--ink);align-items:center;min-height:44px;padding:8px 16px;font-weight:600;display:inline-flex}.page-state-actions{flex-wrap:wrap;align-items:center;gap:16px 24px;display:flex}.page-state-links{flex-wrap:wrap;gap:8px;margin-top:32px;display:flex}.page-state-digest{color:var(--muted);font-size:var(--text-xs);margin-top:24px;display:block}@keyframes skeleton-shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.grammar-check-header span,.grammar-check-item small{color:var(--muted);font-size:var(--text-xs)}.grammar-check-item p{font-size:var(--text-sm);margin:0;line-height:1.5}.grammar-check-fixes button{background:var(--surface);border:1px solid color-mix(in srgb, var(--green) 50%, var(--line));border-radius:var(--radius-pill);color:var(--green);cursor:pointer;font:inherit;font-size:var(--text-sm);min-height:36px;padding:6px 12px;font-weight:600}.lesson-preview-head h1{text-wrap:balance;margin:0;font-family:Literata Variable,serif;font-size:clamp(2rem,1.5rem + 2vw,2.8rem);font-weight:500;line-height:1.15}.lesson-preview-head p{color:var(--muted);max-width:65ch;margin:0}.lesson-preview h2{font-size:var(--text-xl);margin:0 0 12px}.lesson-preview-context span{color:var(--muted);grid-column:1/-1}.lesson-preview-words li{border:1px solid var(--line);background:var(--surface);box-shadow:0 1px 2px color-mix(in srgb, var(--ink) 6%, transparent), 0 6px 18px color-mix(in srgb, var(--blue) 7%, transparent);border-radius:20px;grid-template-columns:72px minmax(0,1fr);align-content:start;gap:12px 14px;padding:14px;transition:transform .15s,box-shadow .15s;display:grid}.lesson-preview-words li:hover{box-shadow:0 2px 4px color-mix(in srgb, var(--ink) 8%, transparent), 0 10px 24px color-mix(in srgb, var(--blue) 12%, transparent);transform:translateY(-2px)}.lesson-preview-words .lesson-preview-word strong{overflow-wrap:anywhere;font-family:Literata Variable,serif;font-size:1.25rem;font-weight:600;line-height:1.2}@media (prefers-reduced-motion:reduce){.lesson-preview-words li:hover{transform:none}}.lesson-preview-words strong{font-size:1.05rem}.lesson-preview-words span{color:var(--muted);font-size:var(--text-sm)}.lesson-preview-words small{font-size:var(--text-sm)}.lesson-preview-examples li{border-left:3px solid var(--blue);background:var(--surface-soft);border-radius:var(--radius-sm);gap:2px;padding:12px 16px;display:grid}.lesson-preview-examples span{color:var(--muted)}.lesson-preview-cta p{color:var(--muted);margin:0}.lesson-preview-cta-head span{font-size:1.8rem;line-height:1}.lesson-preview-cta-head h2{margin:0}.lesson-preview-cta-perks li{background:var(--surface);border:1px solid var(--line);box-shadow:0 3px 0 var(--line);border-radius:14px;align-items:center;gap:10px;padding:10px 12px;font-weight:600;display:flex}.lesson-preview-cta-actions>a{white-space:nowrap;justify-content:center;min-width:168px;min-height:48px;padding-inline:16px}.nav-kids-link{color:#b0245e;white-space:nowrap;background:linear-gradient(135deg,#ffe1ee,#dff1ff);border-radius:999px;align-items:center;gap:6px;min-height:36px;padding:0 14px;font-size:.875rem;font-weight:700;text-decoration:none;display:inline-flex;box-shadow:0 2px #f3b6cf}.nav-kids-link:hover{filter:brightness(1.03);transform:translateY(-1px)}.nav-kids-link[aria-current=page]{box-shadow:inset 0 0 0 2px #e05591,0 2px #f3b6cf}[data-theme=dark] .nav-kids-link{color:#ffc2dc;background:linear-gradient(135deg,#4a2338,#1d3550);box-shadow:0 2px #23101b}@media (max-width:860px){.site-navigation{grid-template-columns:repeat(5,1fr)}.site-navigation a.nav-kids-link{border-radius:var(--radius-md);box-shadow:none;color:#b0245e;background:linear-gradient(160deg,#ffe1ee,#e3f2ff);min-height:52px;padding:4px 2px;font-size:.75rem}.site-navigation a.nav-kids-link svg{display:block}[data-theme=dark] .site-navigation a.nav-kids-link{color:#ffc2dc;background:linear-gradient(160deg,#4a2338,#1d3550)}.site-navigation a.nav-kids-link:not([aria-current]),[data-theme=dark] .site-navigation a.nav-kids-link:not([aria-current]){color:var(--muted);background:0 0}.site-navigation a.nav-kids-link:not([aria-current]) svg{color:#d63a7e}}@media (max-width:380px){.site-header{padding-left:10px;padding-right:10px}.header-actions{gap:4px}.header-login,.header-register{padding-left:6px;padding-right:6px}}@media (max-width:359.98px){.header-register{display:none}.header-account-loading{width:82px}.site-navigation{grid-template-columns:repeat(5,minmax(0,1fr))}.site-navigation a{min-width:0}}select:not([multiple]):not([size]):not(.language-select){-webkit-appearance:none;appearance:none;text-overflow:ellipsis;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1.5 1.5 6 6l4.5-4.5' fill='none' stroke='%235e687b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-position:right 14px center;background-repeat:no-repeat;background-size:12px 8px;padding-inline-end:40px}html[data-theme=dark] select:not([multiple]):not([size]):not(.language-select){background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1.5 1.5 6 6l4.5-4.5' fill='none' stroke='%23b5bdd0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}.theme-toggle-wrap{display:inline-flex;position:relative}.theme-menu{z-index:80;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface);gap:2px;min-width:220px;padding:8px;display:grid;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 18px 40px -14px #0f1e3c59}.theme-menu>p{color:var(--muted);letter-spacing:.04em;text-transform:uppercase;margin:2px 8px 6px;font-size:.75rem;font-weight:700}.theme-menu button{min-height:44px;color:var(--ink);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:12px;justify-items:start;gap:1px;padding:6px 12px 6px 36px;font-weight:600;display:grid;position:relative}.theme-menu button small{color:var(--muted);font-size:.75rem;font-weight:500}.theme-menu button:hover{background:var(--surface-soft)}.theme-menu button[aria-checked=true]{background:color-mix(in srgb, var(--blue) 12%, var(--surface));color:var(--blue-dark)}.theme-menu button[aria-checked=true]:before{content:"";background:var(--blue);border-radius:50%;width:8px;height:8px;margin-top:-4px;position:absolute;top:50%;left:14px}.night-prompt{right:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:90;color:#f4f7ff;will-change:transform, opacity;background:#14213a;border-radius:20px;grid-template-columns:auto 1fr;align-items:center;gap:8px 12px;width:min(380px,100% - 32px);padding:16px;animation:.2s ease-out both corner-card-in;display:grid;position:fixed;box-shadow:0 20px 50px -18px #0000008c}.lesson-options>summary{min-height:44px;color:var(--muted);cursor:pointer;align-items:center;gap:6px;font-weight:700;display:inline-flex}.grown-up-gate button{border:1px solid var(--line);background:var(--surface-soft);min-height:44px;color:inherit;font:inherit;touch-action:none;-webkit-user-select:none;user-select:none;border-radius:999px;font-weight:700}@keyframes grown-up-hold{to{background-size:100% 100%}}.centers-how h2{margin:0 0 8px;font-size:1.05rem}.centers-how ol{gap:8px;margin:0;padding:0;line-height:1.5;list-style:none;display:grid}.night-prompt>svg{color:#ffd76a}.night-prompt p{margin:0;font-weight:600;line-height:1.4}.night-prompt>div{flex-wrap:wrap;grid-column:1/-1;gap:8px;display:flex}.night-prompt button{min-height:40px;color:inherit;font:inherit;cursor:pointer;background:0 0;border:1px solid #ffffff40;border-radius:999px;padding:0 14px;font-size:.875rem;font-weight:700}.night-prompt button.night-prompt-primary{color:#2b0f1d;background:#f5a3c7;border-color:#f5a3c7}@media (max-width:860px){.night-prompt{right:12px;bottom:calc(96px + env(safe-area-inset-bottom))}}@keyframes corner-card-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translate(0,0)}}@media (prefers-reduced-motion:reduce){.night-prompt{animation:none}}.account-reminder{left:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:89;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);width:min(400px,100% - 32px);color:var(--ink);box-shadow:var(--shadow);grid-template-columns:auto minmax(0,1fr) auto;align-items:start;gap:12px;padding:18px 16px 16px 18px;animation:.22s ease-out both corner-card-in;display:grid;position:fixed}.account-reminder-icon{color:var(--blue);margin-top:2px}.account-reminder-text h2{text-wrap:balance;margin:0 0 4px;font-size:1.0625rem;font-weight:700;line-height:1.3}.account-reminder-text p{color:var(--muted);text-wrap:pretty;margin:0;font-size:.9375rem;line-height:1.5}.account-reminder-close{width:36px;height:36px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;margin:-8px -6px 0 0;display:grid}.account-reminder-close:hover{background:var(--surface-soft);color:var(--ink)}.account-reminder-actions{flex-wrap:wrap;grid-column:1/-1;align-items:center;gap:8px;display:flex}.account-reminder-actions a,.account-reminder-actions button{border-radius:var(--radius-pill);min-height:44px;font:inherit;cursor:pointer;justify-content:center;align-items:center;padding:0 18px;font-size:.9375rem;font-weight:700;text-decoration:none;display:inline-flex}.account-reminder-primary{background:var(--action);color:var(--on-deep);border:1px solid var(--action)}.account-reminder-primary:hover{background:var(--action-hover);border-color:var(--action-hover)}.account-reminder-secondary{color:var(--blue-dark);border:1px solid var(--line);background:0 0}.account-reminder-secondary:hover{background:var(--surface-soft)}.account-reminder-never,.night-prompt button.night-prompt-never{min-height:44px;color:var(--muted);text-underline-offset:3px;cursor:pointer;background:0 0;border:0;padding:0 8px;font-size:.8rem;text-decoration:underline}.account-reminder-actions a:active,.account-reminder-close:active{transform:translateY(1px)}.account-reminder :is(a,button):focus-visible{outline:3px solid var(--blue);outline-offset:2px}@media (max-width:860px){.account-reminder{width:auto;left:12px;right:12px;bottom:calc(96px + env(safe-area-inset-bottom))}}@media (prefers-reduced-motion:reduce){.account-reminder{animation:none}}.theme-menu button{grid-template-columns:20px minmax(0,1fr);column-gap:12px;padding:6px 30px 6px 12px}.theme-menu button>span,.theme-menu button>small{grid-column:2}.theme-menu-icon{color:var(--blue);grid-row:span 2;align-self:center}.theme-menu button[aria-checked=true]:before{left:auto;right:12px}.guide-tip{z-index:2147483000;color:#fff;pointer-events:none;background:#13294b;border-radius:10px;max-width:260px;padding:7px 12px;font:600 .875rem/1.35 Be Vietnam Pro,Be Vietnam Pro Fallback,system-ui,sans-serif;animation:.12s ease-out guide-tip-in;position:fixed;box-shadow:0 8px 24px -10px #0a1e3c80}.guide-tip[hidden]{display:none}html[data-theme=dark] .guide-tip{color:#13294b;background:#f1f6fc;box-shadow:0 8px 24px -10px #000000b3}@keyframes guide-tip-in{0%{opacity:0;transform:translateY(3px)}}@media (prefers-reduced-motion:reduce){.guide-tip{animation:none}}@media (max-width:640px){.night-prompt{border-radius:16px;gap:6px 10px;padding:10px 12px 12px}.night-prompt p{font-size:.9rem;line-height:1.3}.night-prompt button{min-height:34px;padding:0 10px;font-size:.8rem}}.ad-slot{max-width:970px;padding:0 var(--page-gutter);margin:32px auto 0;overflow:hidden}.ad-slot-label{letter-spacing:.08em;text-transform:uppercase;color:var(--muted,#6b7280);opacity:.8;margin:0 0 6px;font-size:.6875rem;display:block}.ad-slot .adsbygoogle{background:color-mix(in srgb, var(--line,#dfe3ec) 40%, transparent);border-radius:12px;width:100%;overflow:hidden}.ad-slot--banner{width:100%;max-width:calc(728px + 2 * var(--page-gutter,16px))}.ad-slot--banner .adsbygoogle{width:320px;max-width:100%;height:100px;margin:0 auto}@media (min-width:768px){.ad-slot--banner .adsbygoogle{width:728px;height:90px}}.ad-slot:empty,.ad-slot[data-ad-status=unfilled],.ad-slot:not(:has(iframe)):not(:has(ins.adsbygoogle[data-ad-status=filled])){display:none!important}.ad-slot:not([data-ad-status=filled]):not(:has(iframe)) .ad-slot-label{visibility:hidden}.ad-slot--rail{margin:0;padding:0;position:sticky;top:88px}@media (max-width:1023px){.ad-slot--rail,.kids-ad-rail,.lesson-ad-rail,.feed-ad-rail,.activity-ad-rail{display:none!important}}.ad-slot--banner,.ad-slot--mid{max-height:140px}.ad-slot--banner iframe,.ad-slot--mid iframe{max-height:100px}@media (min-width:768px){.ad-slot--banner iframe,.ad-slot--mid iframe{max-height:90px}}@media (max-width:359px){.ad-slot{padding-inline:0}.ad-slot--banner .adsbygoogle{width:100%;max-width:320px;height:50px}.ad-slot--banner iframe,.ad-slot--mid iframe{max-height:50px}}.ad-slot--mid{margin:28px auto}.ad-slot--rail .adsbygoogle{min-height:250px}@media print{.ad-slot{display:none}}.night-prompt{grid-template-columns:auto minmax(0,1fr) auto}.night-prompt>div:not(.night-prompt-extra){flex-wrap:nowrap;grid-column:auto}.night-prompt .night-prompt-more{min-width:40px;padding:0;font-size:1.1rem}.night-prompt-extra{flex-wrap:wrap;grid-column:1/-1;gap:8px;display:flex}@media (max-width:560px){.night-prompt p{font-size:.85rem}}.feed-ad-rail .ad-slot--rail .adsbygoogle{width:300px;min-height:600px}.nav-learn-menu a,.nav-learn-toggle,.site-navigation .desktop-only-link{align-items:center;gap:8px;display:inline-flex}.nav-learn-menu a{width:100%}.nav-learn-menu a svg{color:var(--blue);flex:none;display:block}.site-navigation .nav-learn-toggle svg,.site-navigation .desktop-only-link svg{display:block}.fb-burst{pointer-events:none;z-index:2000;width:0;height:0;position:fixed}.fb-burst span{font-size:1.25rem;animation:.82s cubic-bezier(.16,1,.3,1) forwards fb-fly;position:absolute;top:0;left:0;transform:translate(-50%,-50%)scale(.4)}@keyframes fb-fly{0%{opacity:1;transform:translate(-50%,-50%)scale(.4)}70%{opacity:1}to{opacity:0;transform:translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) scale(1.1) rotate(25deg)}}.fb-shake{animation:.42s cubic-bezier(.36,.07,.19,.97) fb-shake}@keyframes fb-shake{10%,90%{transform:translate(-1px)}20%,80%{transform:translate(3px)}30%,50%,70%{transform:translate(-5px)}40%,60%{transform:translate(5px)}}.fb-glow{transition:box-shadow .2s;box-shadow:0 0 0 4px #2f9e6f8c!important}[data-result=correct]{animation:.32s cubic-bezier(.34,1.56,.64,1) fb-pop}@keyframes fb-pop{0%{transform:scale(1)}50%{transform:scale(1.08)}to{transform:scale(1)}}@media (prefers-reduced-motion:reduce){[data-result=correct],.fb-shake{animation:none}}@media (max-width:760px){.site-header[data-kids] .header-actions .donate-button,.site-header[data-kids] .header-actions .theme-toggle-wrap{display:none}}.lesson-vocabulary li:has(.lesson-word-picture){grid-template-columns:56px 44px minmax(0,1fr) auto}@media (max-width:560px){.lesson-vocabulary li:has(.lesson-word-picture){grid-template-columns:48px 40px minmax(0,1fr)}.lesson-vocabulary li:has(.lesson-word-picture)>small{grid-column:3}}.lesson-vocabulary li{border:1px solid color-mix(in srgb, var(--blue) 12%, var(--line));box-shadow:inset 0 -3px 0 color-mix(in srgb, var(--blue) 8%, transparent), inset 0 1px 0 #ffffffb3, 0 10px 22px -16px #1e1a3c59}.lesson-vocabulary li>div{flex-wrap:wrap;align-items:baseline;column-gap:8px;min-width:0;display:flex}@media print{html[data-printing=vocab-mindmap] body>:not(.vocab-map-print){display:none!important}html[data-printing=vocab-mindmap],html[data-printing=vocab-mindmap] body{background:#fff!important;height:0!important;min-height:0!important;margin:0!important;padding:0!important;overflow:visible!important}}@media (max-width:760px){.sound-button.app-library-full{gap:6px;width:auto;padding:8px 14px;font-size:.8rem}}.sound-button--3d:active,.contrast-listen button:active{box-shadow:0 1px 0 color-mix(in srgb, var(--blue) 38%, var(--line));transform:translateY(3px)}.placement-navigation .primary-button:disabled{background:var(--surface-soft);border-color:var(--line);box-shadow:none;color:color-mix(in srgb, var(--muted) 75%, var(--ink));opacity:1}:root{--edge-soft:color-mix(in srgb, var(--blue) 22%, var(--line));--edge-strong:#0a1e3c52;--raise-1:0 3px 0 var(--edge-soft), 0 8px 16px -12px #0f346059;--raise-2:0 4px 0 var(--edge-strong), 0 10px 20px -12px #0f346073;--raise-card:0 6px 0 var(--edge-soft), 0 22px 40px -26px #0f346061}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--edge-soft:color-mix(in srgb, var(--blue) 30%, #050b16);--edge-strong:#0000008c}}:root[data-theme=dark]{--edge-soft:color-mix(in srgb, var(--blue) 30%, #050b16);--edge-strong:#0000008c}:is(.primary-button,.secondary-button,.grammar-example-listen,.listen-button,.sound-button,.record-button,.finish-sound-button,.session-difficulty button,.sound-group-tabs button,.sound-grid button,.speech-speed button,.mouth-view-toggle button,.contrast-listen button,.recognition-choices button,.grammar-levels button,.goal-switcher button,.goal-stage-tabs button,.pronunciation-checklist label,.practice-without-mic,.grammar-quiz-choices button,.nav-kids-link,.mobile-header-menu-btn,[role=tab],button[aria-pressed]):not(.kids-experience *,.admin-shell *,.kids-experience){box-shadow:var(--raise-1);transition:transform .14s var(--ease-out,ease), box-shadow .14s var(--ease-out,ease), background-color .14s ease, border-color .14s ease}:is(.primary-button,.grammar-topic-test-cta,.record-button,.finish-sound-button,[role=tab][aria-selected=true],button[aria-pressed=true],.session-difficulty button[aria-pressed=true],.grammar-levels button.is-active,.sound-grid button.is-active):not(.kids-experience *,.admin-shell *){box-shadow:var(--raise-2)}.primary-button:not(.kids-experience *){box-shadow:0 4px 0 color-mix(in srgb, var(--action) 62%, #000), 0 12px 24px -12px color-mix(in srgb, var(--action) 60%, transparent)}.primary-button.light:not(.kids-experience *){box-shadow:0 4px #0a1e3c40,0 12px 24px -12px #0a1e3c59}:is(.primary-button,.secondary-button,.grammar-example-listen,.listen-button,.sound-button,.session-difficulty button,.sound-group-tabs button,.sound-grid button,.speech-speed button,.mouth-view-toggle button,.contrast-listen button,.recognition-choices button,.grammar-levels button,.goal-switcher button,.goal-stage-tabs button,.practice-without-mic,.grammar-quiz-choices button,.nav-kids-link,[role=tab],button[aria-pressed]):not(.kids-experience *,.admin-shell *):hover:not(:disabled){transform:translateY(-1px)}:is(.primary-button,.secondary-button,.grammar-example-listen,.listen-button,.sound-button,.record-button,.finish-sound-button,.session-difficulty button,.sound-group-tabs button,.sound-grid button,.speech-speed button,.mouth-view-toggle button,.contrast-listen button,.recognition-choices button,.grammar-levels button,.goal-switcher button,.goal-stage-tabs button,.practice-without-mic,.grammar-quiz-choices button,.nav-kids-link,.mobile-header-menu-btn,[role=tab],button[aria-pressed]):not(.kids-experience *,.admin-shell *):active:not(:disabled){box-shadow:0 1px 0 var(--edge-soft);transform:translateY(3px)}:is(button,[role=tab]):disabled:not(.kids-experience *,.admin-shell *){box-shadow:none;transform:none}.session-difficulty button:not([aria-pressed=true]){border-color:var(--edge-soft)}.session-difficulty{gap:8px;padding-bottom:4px}.nav-learn-menu a{transition:transform .14s,box-shadow .14s,background-color .14s}.nav-learn-menu a:hover,.nav-learn-menu a[aria-current=page]{box-shadow:var(--raise-1);transform:translateY(-1px)}.nav-learn-menu{box-shadow:0 6px 0 var(--edge-soft), 0 24px 48px -20px #0f346066}@media (max-width:1099px){.site-navigation a[aria-current=page]{box-shadow:var(--raise-1)}}:is(.pronunciation-stage,.grammar-sheet,.grammar-result,.level-check,.level-result,.lesson-complete,.account-reminder,.word-card-preview,.grammar-levels,.grammar-lesson-path,.pron-exams,.grammar-quiz,.session-card,.daily-card):not(.kids-experience *){box-shadow:var(--raise-card)}:is(.grammar-lesson-tabs [role=tablist],.pron-stage-tabs,.app-flashcard-packs,.vocab-topic-filter>div,.scroll-row,.sound-group-tabs,.goal-stage-tabs,.goal-switcher){padding-block:3px 8px}@media (max-width:760px){:is(.pronunciation-roadmap,.sound-selector,.vocab-library-actions,.goal-course-outline,.vocab-preview-grid,.goal-course-breadcrumb ol,.vocab-section-nav){padding-bottom:8px}}@media (prefers-reduced-motion:reduce){:is(.primary-button,.secondary-button,[role=tab],button[aria-pressed],.nav-learn-menu a):not(.kids-experience *){transition:none;transform:none!important}}.grammar-theory-audio>span{color:var(--muted);flex:none;font-size:.85rem;font-weight:700}.session-difficulty{grid-template-columns:repeat(4,max-content);display:grid}.session-difficulty button{min-height:40px;padding-inline:14px}@media (max-width:560px){.session-difficulty{grid-template-columns:repeat(2,minmax(0,1fr))}.session-difficulty button{text-align:center;justify-content:center}}.home3 .home-audience,.home-audience{box-shadow:var(--raise-card);transition:transform .16s,box-shadow .16s}.home-audience:hover{transform:translateY(-3px)}.home-audience:active{box-shadow:0 2px 0 var(--edge-soft);transform:translateY(4px)}.home-audiences{padding-bottom:8px}.commitment-dialog{color:var(--ink);background:0 0;border:0;width:min(760px,100vw);max-width:100vw;max-height:100dvh;padding:16px;overflow:visible}.commitment-dialog::backdrop{backdrop-filter:blur(6px);background:#0814288c}.commitment-card{background:var(--surface);border:1px solid var(--line);box-shadow:0 8px 0 var(--edge-soft), 0 36px 80px -30px #08142899;overscroll-behavior:contain;border-radius:28px;flex-direction:column;max-height:calc(100dvh - 40px);padding:28px 28px 0;font-family:Be Vietnam Pro,Be Vietnam Pro Fallback,Segoe UI,sans-serif;display:flex;overflow:auto}.commitment-eyebrow{color:var(--blue);letter-spacing:.08em;text-transform:uppercase;align-items:center;gap:8px;margin:0;font-size:.78rem;font-weight:700;display:flex}.commitment-card h2{letter-spacing:-.02em;margin:6px 0 8px;font-size:clamp(1.5rem,4vw,2rem);line-height:1.2}.commitment-lead{color:var(--muted);max-width:62ch;margin:0 0 18px;font-size:.98rem;line-height:1.55}.commitment-points{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:12px;margin:0;padding:0 0 6px;list-style:none;display:grid}.commitment-points li{background:var(--surface-soft);border:1px solid var(--line);box-shadow:0 3px 0 var(--edge-soft);border-radius:18px;grid-template-columns:44px minmax(0,1fr);align-items:start;gap:12px;padding:12px 14px;display:grid}.commitment-points li[data-point=noSale]{background:color-mix(in srgb, var(--green) 10%, var(--surface));border-color:color-mix(in srgb, var(--green) 32%, var(--line))}.commitment-points li[data-point=noScraping]{background:color-mix(in srgb, var(--action) 8%, var(--surface));border-color:color-mix(in srgb, var(--action) 28%, var(--line))}.commitment-icon{background:var(--surface);border:1px solid var(--line);box-shadow:0 3px 0 var(--edge-soft);border-radius:14px;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.35rem;display:inline-flex}.commitment-points strong{font-size:.98rem;line-height:1.35;display:block}.commitment-points small{color:var(--muted);margin-top:3px;font-size:.86rem;line-height:1.5;display:block}.commitment-foot{background:var(--surface);border-top:1px solid var(--line);padding:14px 28px calc(18px + env(safe-area-inset-bottom));text-align:center;place-items:center;gap:10px;margin:14px -28px 0;display:grid;position:sticky;bottom:0}.commitment-note{color:var(--muted);max-width:60ch;margin:0;font-size:.85rem;line-height:1.5}.commitment-note a{color:var(--blue);text-underline-offset:3px;font-weight:700;text-decoration:underline}.commitment-agree{min-width:min(100%,320px);min-height:54px;font-size:1.05rem}.commitment-version{color:var(--muted);font-size:.72rem}.commitment-footer-link{color:inherit;cursor:pointer;font:inherit;background:0 0;border:0;padding:0}.commitment-footer-link:hover{text-decoration:underline}.commitment-toast-banner{background:var(--surface);border:1px solid var(--line);width:min(100% - 32px,720px);box-shadow:0 12px 36px -8px #08142847, 0 3px 0 var(--edge-soft);z-index:9999;border-radius:18px;justify-content:space-between;align-items:center;gap:16px;padding:12px 18px;font-family:inherit;display:flex;position:fixed;bottom:16px;left:50%;transform:translate(-50%)}.commitment-toast-content{align-items:center;gap:10px;min-width:0;display:flex}.commitment-toast-icon{flex-shrink:0;font-size:1.5rem}.commitment-toast-content p{color:var(--ink);margin:0;font-size:.88rem;line-height:1.4}.commitment-toast-actions{flex-shrink:0;gap:8px;display:flex}.commitment-toast-actions button{cursor:pointer;white-space:nowrap;border-radius:10px;padding:8px 14px;font-size:.85rem}@media (max-width:640px){.commitment-toast-banner{flex-direction:column;align-items:stretch;gap:10px;width:calc(100% - 16px);padding:12px 14px;bottom:8px}.commitment-toast-actions{grid-template-columns:repeat(2,minmax(0,1fr));width:100%;display:grid}.commitment-toast-actions button{white-space:normal;min-width:0;min-height:44px;padding:8px;line-height:1.3}}@media (max-width:560px){.commitment-dialog{width:100vw;padding:0}.commitment-card{border-radius:0;min-height:100dvh;max-height:100dvh;padding:22px 16px 0}.commitment-foot{margin-inline:-16px;padding-inline:16px}.commitment-agree{width:100%}}.delete-account-confirm p{color:var(--ink);margin:0;font-size:.9rem;line-height:1.5}.account-modal-dialog strong{color:var(--ink);align-items:center;gap:8px;font-size:1.15rem;display:flex}.account-modal-dialog p{color:var(--muted);margin:0;font-size:.925rem;line-height:1.55}@keyframes auto-next-fill{0%{transform:scaleX(0)}to{transform:scaleX(1)}}.pron-tabs [role=tablist]{flex:auto;padding-bottom:6px;overflow-x:auto}.share-result h3{align-items:center;gap:8px;margin:0;font-size:1.05rem;display:flex}.share-result-people button{background:var(--surface-soft);border:1px solid var(--edge-soft);color:var(--ink);cursor:pointer;font:inherit;border-radius:999px;align-items:center;gap:6px;min-height:40px;padding:0 14px;font-size:.88rem;font-weight:600;display:inline-flex}.header-news{background:var(--action);box-shadow:0 3px 0 color-mix(in srgb, var(--action) 60%, #000);color:#fff;border-radius:999px;align-items:center;gap:4px;min-height:34px;margin-right:6px;padding:0 10px;font-size:.82rem;font-weight:800;text-decoration:none;display:inline-flex}.header-news:active{box-shadow:none;transform:translateY(2px)}:is(.pron-quiz-intro,.legal-notice,.grammar-next-strip,.share-result,.auto-next-note){margin-top:14px}@media (min-width:1200px){.site-section-menu a[aria-current=page]{background:var(--blue);box-shadow:0 3px 0 var(--blue-dark), 0 10px 18px -12px #0f346099;color:#fff;font-weight:700}.site-section-menu a[aria-current=page] svg{color:#fff;opacity:1}.site-section-menu a[aria-current=page]:hover{background:var(--blue-dark);color:#fff}}.weekly-digest-toggle input{width:20px;height:20px;margin-top:2px}.weekly-digest-toggle strong{font-size:.92rem;display:block}.weekly-digest-toggle small{color:var(--muted);margin-top:2px;font-size:.82rem;line-height:1.45;display:block}@media (min-width:1100px){.site-navigation{gap:8px}.site-navigation>a.desktop-only-link,.site-navigation .nav-learn-toggle,.site-navigation>.nav-kids-link{background:var(--surface);border:1px solid var(--line);box-shadow:var(--raise-1);color:var(--ink);border-radius:999px;align-items:center;gap:6px;min-height:40px;padding:0 14px;font-size:.875rem;font-weight:600;transition:transform .14s,box-shadow .14s,background-color .14s;display:inline-flex}.site-navigation>a.desktop-only-link svg,.site-navigation .nav-learn-toggle svg{display:inline-block}.site-navigation>a.desktop-only-link:hover,.site-navigation .nav-learn-toggle:hover,.site-navigation .nav-learn-toggle[aria-expanded=true]:not([data-current]),.site-navigation>.nav-kids-link:hover{background:color-mix(in srgb, var(--blue) 16%, var(--surface));border-color:var(--blue);box-shadow:0 3px 0 var(--blue-dark), 0 8px 18px -6px color-mix(in srgb, var(--blue) 40%, transparent);color:var(--blue);transform:translateY(-1px)}.site-navigation>a.desktop-only-link:active,.site-navigation .nav-learn-toggle:active,.site-navigation>.nav-kids-link:active{box-shadow:0 1px 0 var(--edge-soft);transform:translateY(2px)}.site-navigation>a.desktop-only-link[aria-current=page],.site-navigation .nav-learn-toggle[data-current],.site-navigation>.nav-kids-link[aria-current=page]{background:var(--blue);border-color:var(--blue);box-shadow:0 3px 0 var(--blue-dark), 0 10px 18px -12px #0f346099;color:#fff}.header-account,.language-select,.theme-toggle{box-shadow:var(--raise-1)}.header-account:active,.language-select:active,.theme-toggle:active{box-shadow:0 1px 0 var(--edge-soft);transform:translateY(2px)}}@media (min-width:1100px) and (prefers-color-scheme:dark){:root:not([data-theme=light]) :is(.site-navigation>a.desktop-only-link[aria-current=page],.site-navigation .nav-learn-toggle[data-current],.site-navigation>.nav-kids-link[aria-current=page]){color:#0b1b33}}@media (min-width:1100px){:root[data-theme=dark] :is(.site-navigation>a.desktop-only-link[aria-current=page],.site-navigation .nav-learn-toggle[data-current],.site-navigation>.nav-kids-link[aria-current=page]){color:#0b1b33}}.sign-in-sheet,.profile-gate{background:var(--surface);border:1px solid var(--line);box-shadow:0 8px 0 var(--edge-soft), 0 36px 80px -30px #08142899;color:var(--ink);overscroll-behavior:contain;border-radius:24px;width:100%;max-width:min(520px,100vw - 32px);max-height:calc(100dvh - 32px);padding:24px 20px;font-family:Be Vietnam Pro,Be Vietnam Pro Fallback,Segoe UI,sans-serif;overflow:auto}.sign-in-sheet::backdrop,.profile-gate::backdrop{backdrop-filter:blur(6px);background:#0814288c}.sign-in-sheet h2,.profile-gate h2{letter-spacing:-.01em;margin:4px 0 8px;font-size:clamp(1.3rem,4.5vw,1.6rem);line-height:1.25}.sign-in-sheet p,.profile-gate>p{color:var(--muted);margin:0 0 12px;line-height:1.55}.sign-in-sheet-icon{font-size:2rem;display:block}.sign-in-wall-page{min-height:70dvh;padding:32px 16px calc(120px + env(safe-area-inset-bottom));place-items:center;display:grid}.sign-in-wall-page .sign-in-wall{max-height:none;overflow:visible}.sign-in-wall h1{letter-spacing:-.01em;margin:4px 0 8px;font-size:clamp(1.4rem,5vw,1.8rem);line-height:1.25}.sign-in-wall-inapp p{margin:0}.sign-in-sheet-tip,.profile-fields-why{background:var(--surface-soft);border:1px solid var(--line);border-radius:14px;padding:10px 12px;font-size:.9rem;line-height:1.5;color:var(--ink)!important}.sign-in-sheet-actions,.profile-gate-actions{flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px;display:flex}.sign-in-sheet-actions>:is(.primary-button,.secondary-button){box-sizing:border-box;white-space:nowrap;border-radius:999px;flex:auto;justify-content:center;align-items:center;min-height:48px;margin:0;padding:0 16px;display:inline-flex}.sign-in-sheet-actions .text-link,.profile-gate .text-link{color:var(--muted);cursor:pointer;font:inherit;background:0 0;border:0;min-height:44px;padding:0 6px;text-decoration:underline}.profile-fields{gap:12px;display:grid}.profile-fields label{gap:6px;font-weight:700;display:grid}.profile-fields input,.profile-fields select{background:var(--surface);border:1px solid var(--line);color:var(--ink);font:inherit;border-radius:12px;min-height:46px;padding:0 12px;font-weight:400}.profile-fields select{appearance:none;background-image:linear-gradient(45deg,#0000 50%,currentColor 50%),linear-gradient(135deg,currentColor 50%,#0000 50%);background-position:calc(100% - 20px),calc(100% - 14px);background-repeat:no-repeat;background-size:6px 6px;padding-right:40px}.profile-fields small{color:var(--muted);font-size:.8125rem;font-weight:400;line-height:1.4}.profile-fields-why{margin:0}.profile-gate-error{color:var(--danger,#b42318);margin:10px 0 0}.profile-gate-pick{gap:8px;margin:0 0 12px;padding:0;list-style:none;display:grid}.profile-gate-pick button{background:var(--surface-soft);border:1px solid var(--line);color:var(--ink);cursor:pointer;font:inherit;text-align:left;border-radius:14px;justify-content:space-between;align-items:center;gap:10px;width:100%;min-height:52px;padding:10px 14px;display:flex}.profile-gate-pick small{color:var(--muted)}.profile-gate-remember{align-items:center;gap:8px;min-height:44px;font-weight:700;display:flex}.profile-gate-remember input{width:20px;height:20px}.profile-gate-hint{font-size:.85rem}.profile-gate-suggestion{background:var(--surface-soft);border:1px solid var(--line);color:var(--ink);border-radius:16px;grid-template-columns:auto 1fr;align-items:center;gap:4px 12px;margin:8px 0 12px;padding:14px;text-decoration:none;display:grid}.profile-gate-suggestion span{grid-row:span 2;font-size:1.8rem}.profile-gate-suggestion em{color:var(--blue);font-style:normal;font-weight:700}.exam-results-locked>span{font-size:2.5rem}.exam-results-locked h2{margin:0}.exam-results-locked p{color:var(--muted);max-width:34ch;margin:0}.exam-results-empty>span{font-size:2rem}.exam-results-empty p{color:var(--muted);margin:0}.exam-results-stats dt{color:var(--muted);font-size:.82rem;font-weight:700}.exam-results-stats dd{color:var(--band,var(--ink));margin:0;font-size:1.5rem;font-weight:800}.exam-results-chart figcaption{color:var(--muted);font-size:.85rem;font-weight:700}.exam-results-chart ol{grid-auto-columns:minmax(0,1fr);grid-auto-flow:column;align-items:end;gap:6px;height:130px;margin:0;padding:0;list-style:none;display:grid}.exam-results-chart li{text-align:center;grid-template-rows:1fr auto;gap:4px;min-width:0;height:100%;display:grid}.exam-results-chart li>span{background:var(--band);border-radius:8px 8px 3px 3px;align-self:end;place-items:start center;min-height:18px;display:grid}.exam-results-chart small{color:var(--muted);white-space:nowrap;font-size:.68rem}.exam-results-ring b{background:var(--surface);aspect-ratio:1;border-radius:50%;place-items:center;inline-size:44px;font-size:.82rem;display:grid}.exam-results-open small{color:var(--muted)}.exam-results-list>li{background:var(--surface);border:1px solid var(--line);border-radius:16px;gap:8px;padding:14px 16px;display:grid}.exam-results-head>span{gap:2px;min-width:0;display:grid}.exam-results-head small,.exam-results-list ul small{color:var(--muted)}.exam-results-list ul{gap:4px;margin:0;padding:0;list-style:none;display:grid}.exam-results-list ul a{color:var(--blue);align-items:center;min-height:40px;font-weight:700;display:inline-flex}[id^=rule-]{scroll-margin-top:100px}body:has([data-exam-running]) .site-navigation{display:none}.pron-rule summary{cursor:pointer;align-items:center;gap:12px;min-height:56px;list-style:none;display:flex}.pron-rule summary::-webkit-details-marker{display:none}.pron-rule summary>span:last-child{gap:2px;display:grid}.pron-rule-step h3{margin:0 0 4px;font-size:.98rem}.pron-rule-step p{margin:0 0 6px}.pron-rule-examples li{gap:2px;display:grid}.pron-rule-examples button{background:var(--surface-soft);border:1px solid var(--line);color:var(--ink);cursor:pointer;font:inherit;border-radius:10px;align-items:center;gap:6px;min-height:40px;padding:4px 10px;display:inline-flex}.pron-rule-examples small{color:var(--muted);max-width:220px;padding-left:4px;font-size:.75rem}.pron-rule-exceptions h3{color:#e0405a}.pron-exam-form label{gap:4px;font-weight:700;display:grid}.pron-exam-form select{background:var(--surface);border:1.5px solid var(--line);color:var(--ink);font:inherit;border-radius:10px;min-height:44px;padding:0 34px 0 12px}.pron-exam-presets button,.pron-rule-chips button{background:var(--surface);border:1.5px solid var(--line);color:var(--ink);cursor:pointer;font:inherit;border-radius:999px;min-height:40px;padding:0 14px;font-weight:700}.pron-exam-presets button[aria-pressed=true],.pron-rule-chips button[aria-pressed=true]{background:var(--blue);border-color:var(--blue);color:var(--surface)}.pron-exam-card small{color:var(--muted)}:where(button.secondary-button,a.secondary-button){background:var(--surface);border:1.5px solid var(--line);box-shadow:0 2px 0 var(--line);color:var(--ink);cursor:pointer;font:inherit;border-radius:999px;justify-content:center;align-items:center;gap:6px;min-height:44px;padding:0 16px;font-weight:700;text-decoration:none;display:inline-flex}:where(button.secondary-button,a.secondary-button):hover{border-color:var(--blue);color:var(--blue)}.exam-hub>li{background:var(--surface);border:1px solid var(--line);border-radius:16px;gap:10px;padding:14px 16px;display:grid}.exam-hub-head small{color:var(--muted)}.exam-hub-terms>a,.exam-hub-terms>span{border:1.5px solid var(--line);color:var(--ink);border-radius:12px;gap:2px;min-height:52px;padding:8px 10px;font-weight:700;text-decoration:none;display:grid}.exam-hub-terms>a:hover{border-color:var(--blue)}.exam-hub-terms small{color:var(--muted);font-size:.78rem;font-weight:600}.pron-exam-minutes>span{font-weight:800}.pron-exam-minutes button{background:var(--surface);border:1.5px solid var(--line);color:var(--ink);cursor:pointer;font:inherit;border-radius:12px;width:44px;height:44px;font-size:1.2rem;font-weight:800}.pron-exam-minutes label{align-items:center;gap:4px;font-weight:700;display:inline-flex}.pron-exam-minutes input{background:var(--surface);border:1.5px solid var(--line);color:var(--ink);font:inherit;text-align:center;border-radius:12px;width:64px;height:44px;font-size:1.05rem;font-weight:800}@keyframes tap-feedback-pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb, var(--accent,#2563eb) 55%, transparent)}to{box-shadow:0 0 0 10px #0000}}.tap-feedback-pulse{border-radius:10px;animation:.8s ease-out tap-feedback-pulse}@media (prefers-reduced-motion:reduce){.tap-feedback-pulse{outline:2px solid var(--accent,#2563eb);outline-offset:2px;animation:none}}@keyframes nav-pending{0%{transform:translate(-100%)}to{transform:translate(250%)}}html.nav-pending:before{background:var(--accent,#2563eb);content:"";pointer-events:none;z-index:10000;width:40%;height:3px;animation:1.1s ease-in-out infinite nav-pending;position:fixed;top:0;left:0}@media (prefers-reduced-motion:reduce){html.nav-pending:before{opacity:.7;width:100%;animation:none}}.grammar-test-grid button{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md,14px);color:var(--ink);cursor:pointer;font:inherit;text-align:left;grid-template-columns:44px 1fr auto;align-items:center;gap:10px;width:100%;min-height:64px;padding:10px 12px;display:grid}.grammar-test-grid button:hover{border-color:color-mix(in srgb, var(--blue,#2563eb) 45%, var(--line))}.grammar-test-grid small{color:var(--muted);font-size:.75rem}.grammar-test-results li{background:var(--surface);border:1px solid var(--line);border-radius:12px;justify-content:space-between;align-items:center;padding:10px 14px;display:flex}.pron-exam-papers .pron-exam-card>span:first-child{text-align:center;grid-area:icon;font-size:1.6rem;line-height:1}.pron-exam-papers .pron-exam-card strong{font-size:1.05rem;line-height:1.25}.daily-intro h1{margin:2px 0;font-size:clamp(1.4rem,1.1rem + 1.4vw,2rem);line-height:1.2}@media (min-width:861px) and (max-width:1140px){.site-header .site-navigation{gap:12px}.site-header .header-actions{gap:6px}.site-header .header-actions :is(.language-switcher,.donate-button,.theme-toggle-wrap){display:none}}.language-flag{display:none}@media (min-width:861px) and (max-width:1360px){.site-header .site-navigation a,.site-header .nav-learn-toggle{white-space:nowrap}.site-header .language-select{color:#0000;text-align:center;width:48px;padding:0}.site-header .language-select option{color:var(--ink)}.site-header .language-flag{pointer-events:none;text-align:center;font-size:1.15rem;line-height:1;display:block;position:absolute;left:0;right:0}.site-header .language-chevron{display:none}.site-header .donate-button{justify-content:center;width:44px;padding:0}.site-header .donate-button span{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}}.google-auto-placed,ins.adsbygoogle:is([data-anchor-status],[data-anchor-shown],[data-vignette-loaded]),body>ins.adsbygoogle-noablate{display:none!important}
