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minmax(0, 1fr));gap:8px;margin:6px 0 22px;display:grid;position:relative}.goal-stage-tabs:before{background:linear-gradient(90deg, var(--goal-accent), color-mix(in srgb, var(--goal-accent) 25%, var(--line)));border-radius:var(--radius-sm);content:"";height:4px;left:calc(50% / var(--stage-count,4));right:calc(50% / var(--stage-count,4));position:absolute;top:22px}.goal-stage-node{background:var(--surface);border:3px solid color-mix(in srgb, var(--goal-accent) 55%, var(--line));color:var(--goal-accent);height:46px;transition:transform var(--motion-base,.2s) var(--ease-out,ease), background-color .2s ease;border-radius:50%;justify-content:center;align-items:center;width:46px;margin-bottom:4px;font-size:1rem;font-weight:800;display:flex}.goal-stage-tabs button:hover .goal-stage-node{transform:scale(1.08)}.goal-stage-tabs button[aria-pressed=true] .goal-stage-node{background:var(--goal-accent);border-color:var(--goal-accent);box-shadow:0 0 0 6px color-mix(in srgb, var(--goal-accent) 18%, transparent);color:#fff;transform:scale(1.1)}.goal-stage-tabs button[data-done] .goal-stage-node{background:color-mix(in srgb, var(--goal-accent) 16%, var(--surface))}.goal-stage-tabs button[data-locked] .goal-stage-node{border-style:dashed;font-size:.9rem}.stage-outcome{color:var(--muted);max-width:760px;margin-bottom:16px;font-size:.875rem;line-height:1.55}.stage-lessons{border-top:1px solid var(--line);gap:7px;margin:15px 0;padding:15px 0 0;list-style:none;display:grid}.curriculum-lessons{border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden}.curriculum-lesson+.curriculum-lesson{border-top:1px solid var(--line)}.curriculum-lesson-number{color:var(--goal-accent);font-size:.75rem;font-weight:600}.curriculum-lesson-title{font-size:.875rem;font-weight:600;line-height:1.4}.curriculum-lesson-meta{color:var(--muted);white-space:nowrap;justify-content:flex-end;align-items:center;gap:12px;font-size:.75rem;display:flex}.curriculum-lesson-toggle{border:1px solid var(--line);height:26px;transition:transform var(--motion-fast) var(--ease-out);border-radius:50%;justify-content:center;align-items:center;width:26px;font-size:1rem;display:flex}.curriculum-lesson[open] .curriculum-lesson-toggle{transform:rotate(45deg)}.curriculum-lesson-content{background:var(--surface-soft);border-top:1px solid var(--line);grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;display:grid}.curriculum-lesson-link{border-top:1px solid var(--line);color:var(--goal-accent);justify-content:flex-end;align-items:center;gap:4px;min-height:42px;padding:7px 13px;font-size:.75rem;font-weight:600;display:flex}.curriculum-lesson-link:hover{background:color-mix(in srgb, var(--goal-accent) 6%, var(--surface))}@media (min-width:861px){.lesson-progress-dock{padding-top:3px;top:70px}.progress-track{height:6px;margin:6px 0 10px}.lesson-tools{padding-bottom:6px}}.stage-checkpoint{background:var(--surface-soft);border-left:3px solid var(--goal-accent);border-radius:3px 8px 8px 3px;padding:10px 12px}.stage-exam-hint{background:color-mix(in srgb, var(--goal-accent) 10%, var(--surface));border:1px solid color-mix(in srgb, var(--goal-accent) 35%, var(--line));border-radius:12px;flex-wrap:wrap;grid-column:1/-1;align-items:center;gap:10px 16px;padding:12px 14px;display:flex}.stage-exam-hint-spot{grid-column:1/-1;height:1px;display:block}.stage-exam-hint p{color:var(--ink);flex:260px;min-width:0;margin:0;font-size:.875rem;line-height:1.5}.stage-exam-hint button{background:var(--goal-accent);color:var(--surface);cursor:pointer;font:inherit;border:0;border-radius:10px;min-height:44px;padding:8px 16px;font-weight:700}.roadmap-access-gate{background:color-mix(in srgb, var(--goal-accent) 6%, var(--surface));border:1px dashed color-mix(in srgb, var(--goal-accent) 45%, var(--line));border-radius:var(--radius-md);grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:18px;margin-top:14px;padding:18px 20px;display:grid}.roadmap-locked-preview{display:flex}.unit-jump{gap:6px;margin:0 0 14px;font-size:.875rem;font-weight:700;display:grid}.roadmap-trial-icon{font-size:1.75rem;line-height:1}.roadmap-auth-backdrop{z-index:1000;background:#0a182b94;justify-content:center;align-items:center;padding:20px;animation:.24s both backdrop-fade;display:flex;position:fixed;inset:0}.roadmap-auth-dialog{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);width:100%;max-width:460px;max-height:calc(100dvh - 40px);padding:26px;animation:.34s cubic-bezier(.16,1,.3,1) both modal-spring-in;position:relative;overflow-y:auto;box-shadow:0 24px 80px #09182d3d}.roadmap-auth-close{background:var(--surface-soft);color:var(--ink);cursor:pointer;border:0;border-radius:50%;justify-content:center;align-items:center;width:38px;height:38px;font-size:1.25rem;display:flex;position:absolute;top:18px;right:18px}.goal-roadmap-footer{background:var(--deep);color:var(--on-deep);justify-content:space-between;align-items:center;gap:24px;margin-top:14px;padding:22px 24px;display:flex}.goal-format-note{color:var(--muted);justify-content:space-between;align-items:start;gap:20px;padding:12px 2px 0;font-size:.75rem;display:flex}.cefr-heading{border-top:1px solid var(--line);justify-content:space-between;align-items:end;margin-top:20px;padding:44px 0 20px;display:flex}.pronunciation-page{max-width:1160px;padding-top:48px}.sound-heading{grid-template-columns:minmax(0,1fr) minmax(320px,.8fr);align-items:end;gap:12px 48px;max-width:none;margin-bottom:24px;display:grid}.pronunciation-lab{grid-template-columns:1fr;gap:14px;display:grid}.pronunciation-roadmap{background:var(--deep);border-radius:var(--radius-md);color:var(--on-deep);align-items:center;gap:18px;min-height:52px;padding:10px 16px;display:flex}.pronunciation-roadmap .sound-progress{color:var(--on-deep);margin-left:auto;font-weight:600}.sound-selector{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:14px}.sound-group-tabs{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.sound-grid{grid-template-columns:repeat(12,minmax(0,1fr));gap:8px;margin-top:12px;display:grid}.sound-picker{display:none}.sound-focus{grid-template-columns:110px 1fr auto;align-items:center;gap:24px;display:grid}.focus-symbol{background:var(--deep);color:var(--on-deep);border-radius:50%;justify-content:center;align-items:center;width:104px;height:104px;font-family:Literata Variable,serif;font-size:2rem;display:flex}.speech-speed{justify-content:flex-end;align-items:center;gap:12px;margin-top:18px;display:flex}.pronunciation-workspace{grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);align-items:start;gap:16px;margin-top:24px;display:grid}.mouth-coach{background:linear-gradient(145deg, var(--coach), var(--coach-edge));border-radius:var(--radius-lg);color:var(--on-deep);padding:18px}.mouth-video-details{margin-top:12px}.mouth-video-title{color:var(--on-deep);margin:0 0 4px;font-size:.875rem;font-weight:700}.mouth-coach-heading{justify-content:space-between;align-items:center;gap:24px;margin:4px 0 12px;display:flex}.mouth-view-toggle{border-radius:var(--radius-pill);background:#ffffff1a;border:1px solid #ffffff2e;flex:none;padding:4px;display:flex}.mouth-video-shell{border-radius:var(--radius-md);background:#050a10;border:1px solid #ffffff24;overflow:hidden}.protected-video-container{-webkit-user-select:none;user-select:none;width:100%;position:relative}.protected-video-placeholder{aspect-ratio:16/9;width:100%}.video-guard-overlay{pointer-events:none;position:absolute;inset:0 0 48px}.mouth-note{background:color-mix(in srgb, var(--yellow) 82%, transparent);border-radius:var(--radius-md);color:var(--ink);grid-template-columns:100px 1fr;gap:10px;padding:12px 14px;display:grid}html[data-theme=dark] .mouth-note{color:var(--on-deep)}.pronunciation-practice{padding:0}.repeat-line,.record-panel{border-top:1px solid var(--line);justify-content:space-between;align-items:center;margin-top:24px;padding-top:24px;display:flex}.repeat-line p{font-family:Literata Variable,serif}.record-dot{background:var(--pink);border:7px solid color-mix(in srgb, var(--pink) 18%, transparent);box-sizing:content-box;border-radius:50%;width:12px;height:12px;display:block}.record-dot.is-recording{animation:1.2s ease-in-out infinite record-pulse}.record-button{background:var(--green);border:1px solid var(--green);border-radius:var(--radius-pill);color:#fff;cursor:pointer;min-height:48px;padding:11px 18px;font-weight:600}.record-button.is-recording{background:var(--pink);border-color:var(--pink)}.record-button:disabled{cursor:wait;opacity:.6}.recording-meter{background:var(--surface-soft);border:1px solid var(--line);border-radius:var(--radius-md);grid-template-columns:1fr auto;align-items:center;gap:12px;margin-top:12px;padding:10px 14px;display:grid}.recording-waveform{grid-template-columns:repeat(18,1fr);align-items:center;gap:3px;height:28px;display:grid}.recording-playback{background:var(--surface-soft);border-radius:var(--radius-md);grid-template-columns:auto 1fr auto;align-items:center;gap:14px;margin-top:18px;padding:14px 18px;display:grid}.pronunciation-practice .repeat-line,.pronunciation-practice .record-panel{flex-direction:column;align-items:stretch;gap:16px;margin-top:20px;padding-top:20px}.pronunciation-practice .record-panel{border-top:0;margin-top:0;padding-top:4px}.pronunciation-practice .record-button{justify-content:center;width:100%}.pronunciation-practice .recording-playback{grid-template-columns:1fr}.pronunciation-step{border:1px solid var(--line);border-radius:var(--radius-md);padding:18px}.pronunciation-step+.record-panel,.self-check-step{margin-top:16px}.step-heading{align-items:flex-start;gap:12px;display:flex}.contrast-listen,.recognition-choices{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:14px;display:grid}.recognition-choices button.is-eliminated{opacity:.45;text-decoration:line-through}.recognition-choices button.is-correct{background:color-mix(in srgb, var(--green) 13%, var(--surface));border-color:var(--green)}.learning-feedback{border-radius:var(--radius-md);margin:12px 0 0;padding:10px 12px;font-size:.75rem;line-height:1.5}.learning-feedback.is-hint{background:color-mix(in srgb, var(--yellow) 70%, var(--surface))}.learning-feedback.is-correct{background:color-mix(in srgb, var(--mint) 72%, var(--surface))}.practice-without-mic{color:var(--blue);cursor:pointer;text-underline-offset:3px;background:0 0;border:0;min-height:44px;margin:10px auto 0;padding:8px 12px;font-size:.75rem;font-weight:700;text-decoration:underline;display:block}.practice-without-mic:disabled{color:var(--muted);cursor:not-allowed;opacity:.55}.self-check-step:not(.is-current){opacity:.65}.pronunciation-checklist{gap:8px;margin-top:14px;display:grid}.sound-completion{background:color-mix(in srgb, var(--mint) 68%, var(--surface));border-radius:var(--radius-md);margin-top:14px;padding:14px}.grammar-page{max-width:1240px;padding-top:34px}.grammar-page>.lesson-redirect-status,#vocabulary-study>.lesson-redirect-status{min-height:120svh}.grammar-heading{grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:6px 44px;max-width:none;margin-bottom:16px;display:grid}.grammar-practice{grid-template-columns:260px minmax(0,1fr);align-items:start;gap:20px;display:grid}.grammar-learning-column{min-width:0}.grammar-lesson-tabs-title{text-overflow:ellipsis;white-space:nowrap;flex:200px;min-width:0;padding-left:6px;font-size:.95rem;overflow:hidden}.grammar-lesson-tab{background:var(--surface-soft);border:1px solid var(--line);box-shadow:0 3px 0 var(--line);color:var(--ink);cursor:pointer;font:inherit;white-space:nowrap;border-radius:12px;flex:none;align-items:center;gap:7px;min-height:42px;padding:4px 12px;font-size:.88rem;font-weight:700;display:inline-flex}.grammar-lesson-tab[aria-selected=true]{background:var(--blue);border-color:var(--blue);box-shadow:0 3px 0 var(--blue-dark);color:var(--surface)}.grammar-lesson-tab:active{box-shadow:0 1px 0 var(--line);transform:translateY(2px)}.grammar-lesson-tab.is-extra{margin-left:6px}.grammar-next-step{margin-top:6px}.pron-stage-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-top:18px;display:flex}.pron-stage-tabs{gap:6px;max-width:100%;padding-bottom:4px;display:flex;overflow-x:auto}.pron-quiz{gap:14px;margin-top:16px;display:grid}.pron-quiz-intro{background:var(--surface-soft);border:1px solid var(--line);color:var(--muted);border-radius:14px;align-items:start;gap:8px;margin:0;padding:10px 14px;font-size:.92rem;display:flex}.pron-exams{background:var(--surface);border:1px solid var(--line);box-shadow:0 4px 0 color-mix(in srgb, var(--blue) 12%, var(--line));border-radius:24px;gap:14px;margin:18px 0;padding:18px 20px;display:grid}.pron-exams-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 14px;display:flex}.pron-exams-count{background:color-mix(in srgb, var(--orange) 14%, var(--surface));color:var(--ink);border-radius:999px;padding:4px 12px;font-size:.85rem;font-weight:700}.pron-exams-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:12px;display:grid}.pron-exam-card{background:var(--surface-soft);border:1px solid var(--line);box-shadow:0 4px 0 var(--line);color:var(--ink);cursor:pointer;font:inherit;text-align:left;border-radius:18px;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:12px;padding:14px 16px;transition:transform .16s;display:grid}.pron-exam-card:hover{transform:translateY(-2px)}.pron-exam-card:active{box-shadow:0 1px 0 var(--line);transform:translateY(3px)}.pron-exam-card:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.pron-exam-card[data-passed]{background:color-mix(in srgb, var(--green) 10%, var(--surface));border-color:color-mix(in srgb, var(--green) 35%, var(--line))}.pron-exam-icon{background:var(--surface);border:1px solid var(--line);border-radius:14px;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.5rem;display:inline-flex}.sound-completion .pron-to-practice{background:var(--blue);border-color:var(--blue);color:var(--surface)}@media (prefers-reduced-motion:reduce){.pron-exam-card{transition:none}.pron-exam-card:hover{transform:none}}.grammar-next-strip{background:color-mix(in srgb, var(--orange) 10%, var(--surface));border:1px solid color-mix(in srgb, var(--orange) 30%, var(--line));border-radius:16px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 16px;margin-top:14px;padding:12px 14px;display:flex}.grammar-next-strip[data-passed]{background:color-mix(in srgb, var(--green) 10%, var(--surface));border-color:color-mix(in srgb, var(--green) 30%, var(--line))}@media (max-width:899px){.grammar-lesson-tabs-title{display:none}}@media (prefers-reduced-motion:reduce){.grammar-lesson-tab:active{transform:none}}.grammar-lesson-brief{grid-template-columns:188px minmax(0,1fr);gap:26px;display:grid}.grammar-lesson-brief.is-text-only{grid-template-columns:minmax(0,1fr)}.grammar-lesson-media{background:linear-gradient(145deg, var(--mint), var(--surface-soft));border-radius:24px 24px 24px 7px;justify-content:center;align-items:center;height:188px;display:flex;overflow:hidden}.grammar-lesson-copy{min-width:0}.grammar-sentence-builder{margin-top:12px}.grammar-sentence-part{align-items:center;gap:6px;display:inline-flex}.grammar-example-heading{margin-top:16px}.grammar-examples{gap:7px;margin:0;padding:0;list-style:none;display:grid}.grammar-exercise{border-top:1px solid var(--line);margin-top:26px;padding-top:22px}.grammar-topline{color:var(--muted);justify-content:space-between;font-size:.75rem;font-weight:600;display:flex}.grammar-choices{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.grammar-choices button.is-correct{background:var(--mint);border-color:var(--green);color:var(--green)}.grammar-choices button.is-wrong{border-color:var(--pink);color:var(--pink)}.grammar-choices button.is-correct:disabled,.grammar-choices button.is-wrong:disabled{opacity:1}.grammar-choices button.is-wrong:disabled{opacity:.44;text-decoration:line-through}.grammar-nudge{background:color-mix(in srgb, var(--blue) 7%, var(--surface));border:1px solid color-mix(in srgb, var(--blue) 18%, var(--line));border-radius:var(--radius-md);margin-top:16px;padding:14px 16px}.grammar-feedback{border-radius:var(--radius-md);grid-template-columns:1fr auto;align-items:center;gap:20px;margin-top:18px;padding:18px 20px;display:grid}.grammar-feedback.is-correct{background:var(--mint)}.grammar-feedback.is-wrong{background:color-mix(in srgb, var(--pink) 10%, var(--surface))}.grammar-feedback-title{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.grammar-result{text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex}.grammar-result .result-guidance{max-width:590px}.grammar-result .result-actions{margin-top:28px}.grammar-own-sentence{background:var(--surface-soft);border:1px solid var(--line);border-radius:var(--radius-md);text-align:left;gap:9px;width:100%;max-width:680px;margin-top:20px;padding:18px;display:grid}.grammar-own-check{background:color-mix(in srgb, var(--green) 8%, var(--surface));border-radius:var(--radius-sm);padding:12px 14px}.level-check-topline{color:var(--muted);justify-content:space-between;font-size:.75rem;font-weight:600;display:flex}.level-check .progress-track{margin-bottom:22px}.can-do-card{background:var(--surface-soft);border-radius:var(--radius-lg);min-height:230px;padding:32px 160px 32px 34px;position:relative;overflow:hidden}.can-do-level{background:var(--deep);color:var(--on-deep);border-radius:50%;justify-content:center;align-items:center;width:124px;height:124px;font-family:Literata Variable,serif;font-size:2.5rem;display:flex;position:absolute;top:50%;right:28px;transform:translateY(-50%)}.level-check-actions{grid-template-columns:1fr 1fr;gap:12px;margin-top:18px;display:grid}.level-back-button{color:var(--muted);cursor:pointer;text-underline-offset:3px;background:0 0;border:0;margin:14px auto -8px;padding:8px 12px;font-size:.75rem;text-decoration:underline;display:block}.placement-question-card{background:var(--surface-soft);border-radius:var(--radius-lg);padding:26px 28px 28px}.placement-choice-list{gap:9px;display:grid}.placement-navigation .level-back-button{margin:0}.level-result{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:30px;grid-template-columns:150px 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