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p{color:#674a3d;line-height:1.45;margin:0}.linguide-adapt-steps{display:grid;gap:.55rem}.linguide-adapt-steps article{background:#ffffff94;border:1px solid rgba(105,72,48,.13);border-radius:12px;display:grid;gap:.25rem;padding:.72rem .8rem}.linguide-adapt-steps b{color:#20130f}.linguide-adapt-close{background:linear-gradient(135deg,#3a261f,#8d5130);border:1px solid rgba(255,255,255,.2);border-radius:999px;color:#fff8ef;cursor:pointer;font-weight:900;justify-self:stretch;min-height:44px;padding:.65rem 1rem}.dashboard-home.linguide-today .dashboard-cta-btn{animation:none;background:linear-gradient(135deg,#3a261f,#8d5130);border-color:#a05c3257;box-shadow:0 12px 30px #7b4a263d,0 0 34px #c0813f33,inset 0 0 12px #fff8ec14;width:min(340px,calc(100vw - 4rem))}.dashboard-home.linguide-today .cta-pulse-ring{display:none;animation:none}.dashboard-home.linguide-today .dashboard-cta-btn:active{box-shadow:0 0 14px #c0813f40,0 4px 12px #7b4a2629}[data-skin=midnight-slate] .linguide-today 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.mc-quick-check{align-self:flex-end;background:#efe7ff;color:#6b3fa2!important;-webkit-text-fill-color:#6b3fa2!important;border-radius:999px;font-size:.72rem;font-weight:900;letter-spacing:.02em;padding:.18rem .6rem}[data-skin=midnight-slate] .study-active .card-main-line .mc-card-prompt{margin:.1rem 0 0;font-size:1rem;color:#ffead3!important;-webkit-text-fill-color:#ffead3!important}[data-skin=midnight-slate] .study-active .card-main-line,[data-skin=midnight-slate] .study-active .card-main-line *{color:#fff7ed}[data-skin=midnight-slate] .study-active .card-main-line .card-text,[data-skin=midnight-slate] .study-active .card-main-line .thai-word-text,[data-skin=midnight-slate] .study-active .card-main-line .english-word-text{color:#fff8ef!important;-webkit-text-fill-color:#fff8ef!important}[data-skin=midnight-slate] .study-active .card-main-line .speaker-icon{color:#ffead3!important;-webkit-text-fill-color:#ffead3!important}[data-skin=midnight-slate] .study-active .card-main-line 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1rem;margin-bottom:1.5rem;display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;justify-content:space-between}.settings-nav-links{display:flex;flex-wrap:wrap;gap:.5rem;overflow-x:auto;padding-bottom:.25rem}.settings-nav-btn{border:1px solid var(--app-border);background:var(--app-surface);color:var(--app-text);padding:.35rem .7rem;border-radius:999px;font-size:.85rem;cursor:pointer}.settings-nav-btn.active{border-color:#6366f1;color:#4338ca;background:#6366f11f}.settings-nav-status{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap}.settings-save-indicator{color:#16a34a;font-size:.85rem;font-weight:600}.settings-back-btn{border:1px solid var(--app-border);background:var(--app-surface);color:#4338ca;padding:.4rem .8rem;border-radius:999px;cursor:pointer;font-size:.85rem}.settings-row{display:flex;justify-content:space-between;gap:1rem;align-items:center;flex-wrap:wrap}.settings-toggle{display:inline-flex;gap:.5rem;align-items:center;font-weight:600}.settings-muted{color:var(--app-muted);margin:0 0 1rem}.settings-advanced{padding:0}.settings-advanced>summary{list-style:none;cursor:pointer;padding:1.25rem 2rem;font-size:1.1rem;font-weight:700;color:var(--app-text);border-bottom:1px solid var(--app-border)}.settings-advanced>summary::-webkit-details-marker{display:none}.settings-advanced>summary:after{content:"+";float:right;color:var(--app-muted);font-weight:600}.settings-advanced[open]>summary:after{content:"-"}.settings-advanced-content{padding:1.5rem 2rem 2rem}.settings-subsection{padding-bottom:1.5rem;margin-bottom:1.5rem;border-bottom:1px solid var(--app-border)}.settings-subsection:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.settings-advanced-sub>summary{list-style:none;cursor:pointer;font-weight:600;color:var(--app-text);margin-bottom:.75rem}.settings-advanced-sub>summary::-webkit-details-marker{display:none}.settings-advanced-sub>summary:after{content:"+";float:right;color:var(--app-muted);font-weight:600}.settings-advanced-sub[open]>summary:after{content:"-"}.settings-tech{background:var(--app-surface-alt);border:1px solid var(--app-border);border-radius:10px;padding:.75rem 1rem}.settings-tech-row{display:flex;justify-content:space-between;color:var(--app-muted);font-size:.9rem}.settings-danger{border:1px solid #fecaca;background:#fff1f2}.settings-danger h2{color:#b91c1c;border-bottom-color:#fecaca}.settings-advanced-toggle{border:1px solid var(--app-border);border-radius:10px;padding:.75rem 1rem;background:var(--app-surface-alt);margin-bottom:1.5rem}.settings-advanced-toggle summary{cursor:pointer;font-weight:600;color:var(--app-text);list-style:none}.settings-advanced-toggle summary::-webkit-details-marker{display:none}.settings-advanced-toggle summary:after{content:"+";float:right;color:var(--app-muted)}.settings-advanced-toggle[open] summary:after{content:"-"}.settings-advanced-body{margin-top:1rem}.settings-simple-header{font-size:.95rem;font-weight:700;color:var(--app-text);margin-bottom:.75rem}.retention-explanation{margin:1rem 0 0;border:1px solid var(--app-border);border-radius:10px;padding:.75rem 1rem;background:var(--app-surface-alt)}.retention-explanation summary{cursor:pointer;font-weight:600;color:var(--app-text);list-style:none}.retention-explanation summary::-webkit-details-marker{display:none}.retention-explanation summary:after{content:"+";float:right;color:var(--app-muted)}.retention-explanation[open] summary:after{content:"-"}.retention-explanation ul{margin:.75rem 0 0;padding-inline-start:1.1rem;color:var(--app-muted);font-size:.9rem}.settings-closure{text-align:center;box-shadow:none;border:1px dashed var(--app-border);background:var(--app-surface-alt)}.settings-closure-text{font-size:1rem;color:var(--app-text);margin-bottom:1rem}[data-skin=midnight-slate]{color-scheme:dark}[data-skin=midnight-slate] .settings-nav-btn{background:#0f172aa6;color:var(--app-text);border-color:var(--app-border)}[data-skin=midnight-slate] .settings-nav-btn.active{background:#3b82f633;border-color:#60a5fa;color:#e0f2fe}[data-skin=midnight-slate] .settings-back-btn{color:var(--app-text);background:#0f172a99;border-color:var(--app-border)}[data-skin=midnight-slate] .settings-section:not(.settings-danger):not(.settings-closure){background:var(--app-surface)!important;border-color:var(--app-border)!important;color:var(--app-text)!important}[data-skin=midnight-slate] .settings-form{background:var(--app-surface)!important;border-color:var(--app-border)!important;color:var(--app-text)!important}[data-skin=midnight-slate] .settings-section h2,[data-skin=midnight-slate] .settings-section h3,[data-skin=midnight-slate] .settings-section h4{color:var(--app-text)!important}[data-skin=midnight-slate] .settings-description{background:var(--app-surface-alt)!important;border-color:var(--app-border)!important;color:var(--app-muted)!important}[data-skin=midnight-slate] .settings-muted{color:var(--app-muted)!important}[data-skin=midnight-slate] .settings-section p,[data-skin=midnight-slate] .settings-section label,[data-skin=midnight-slate] .settings-section summary,[data-skin=midnight-slate] .settings-section li{color:var(--app-text)!important}[data-skin=midnight-slate] .settings-export-import{background:var(--app-surface)!important;border-color:var(--app-border)!important;color:var(--app-text)!important}[data-skin=midnight-slate] .settings-export-import h2{color:var(--app-text)!important}[data-skin=midnight-slate] .settings-export-import .settings-description{color:var(--app-muted)!important}[data-skin=midnight-slate] .preview-modal{background:var(--app-surface)!important;color:var(--app-text)!important;border:1px solid var(--app-border)}[data-skin=midnight-slate] .modal-header,[data-skin=midnight-slate] .modal-footer{border-color:var(--app-border)!important}[data-skin=midnight-slate] .modal-header h3,[data-skin=midnight-slate] .settings-list h4{color:var(--app-text)!important}[data-skin=midnight-slate] .setting-item,[data-skin=midnight-slate] .import-info{background:var(--app-surface-alt)!important;border-color:var(--app-border)!important}[data-skin=midnight-slate] .setting-label,[data-skin=midnight-slate] .info-item,[data-skin=midnight-slate] .info-item strong{color:var(--app-text)!important}[data-skin=midnight-slate] .setting-value{background:var(--app-surface)!important;border-color:var(--app-border)!important;color:var(--app-text)!important}[data-skin=midnight-slate] .import-modes{background:#3b82f626!important;border-color:#60a5fa73!important}[data-skin=midnight-slate] .import-modes h4,[data-skin=midnight-slate] .mode-option,[data-skin=midnight-slate] .mode-option strong{color:#e0f2fe!important}[data-skin=midnight-slate] .security-warning{background:#facc151f!important;border-color:#facc1580!important}[data-skin=midnight-slate] .warning-content,[data-skin=midnight-slate] .warning-content strong{color:#fde68a!important}[data-skin=midnight-slate] .status-message.info{background:#3b82f62e!important;border-color:#60a5fa80!important;color:#e0f2fe!important}[data-skin=midnight-slate] .status-message.error{background:#ef44442e!important;border-color:#f871718c!important;color:#fecaca!important}[data-skin=midnight-slate] .status-message.success{background:#10b9812e!important;border-color:#6ee7b780!important;color:#d1fae5!important}[data-skin=midnight-slate] .settings-danger{background:#1f1417!important;border-color:#7f1d1d!important}[data-skin=midnight-slate] .settings-danger h2{color:#fecaca!important;border-bottom-color:#f8717173!important}[data-skin=midnight-slate] .settings-danger .settings-muted{color:#fca5a5!important}[data-skin=midnight-slate] .llm-settings,[data-skin=midnight-slate] .azure-tts-settings,[data-skin=midnight-slate] .azure-aoai-settings,[data-skin=midnight-slate] .contact-section-card,[data-skin=midnight-slate] .spaced-repetition-settings{background:var(--app-surface)!important;border-color:var(--app-border)!important;color:var(--app-text)!important}[data-skin=midnight-slate] .llm-settings h3,[data-skin=midnight-slate] .llm-settings h4,[data-skin=midnight-slate] .llm-settings h5,[data-skin=midnight-slate] .azure-tts-settings h4,[data-skin=midnight-slate] .azure-aoai-settings h4,[data-skin=midnight-slate] .contact-section-title{color:var(--app-text)!important}[data-skin=midnight-slate] .llm-settings .settings-description,[data-skin=midnight-slate] .llm-settings .help-text,[data-skin=midnight-slate] .llm-settings .privacy-note,[data-skin=midnight-slate] .llm-settings .section-description,[data-skin=midnight-slate] .llm-settings label,[data-skin=midnight-slate] .contact-section-description,[data-skin=midnight-slate] .contact-section-email-text,[data-skin=midnight-slate] .contact-section-link{color:var(--app-muted)!important}[data-skin=midnight-slate] .llm-settings .provider-info,[data-skin=midnight-slate] .llm-settings .privacy-note,[data-skin=midnight-slate] .llm-settings .settings-description,[data-skin=midnight-slate] .azure-config-form,[data-skin=midnight-slate] .voice-info,[data-skin=midnight-slate] .quick-start,[data-skin=midnight-slate] .spaced-repetition-settings .settings-section,[data-skin=midnight-slate] .spaced-repetition-settings .retention-explanation,[data-skin=midnight-slate] .spaced-repetition-settings .data-management-warning,[data-skin=midnight-slate] .spaced-repetition-settings .auto-backup-section,[data-skin=midnight-slate] .spaced-repetition-settings .auto-backup-description{background:var(--app-surface-alt)!important;border-color:var(--app-border)!important;color:var(--app-text)!important}[data-skin=midnight-slate] .llm-settings .form-input,[data-skin=midnight-slate] .llm-settings .form-select,[data-skin=midnight-slate] .llm-settings .api-key-input{background:var(--app-surface)!important;color:var(--app-text)!important;border-color:var(--app-border)!important}[data-skin=midnight-slate] .llm-settings .provider-info summary,[data-skin=midnight-slate] .spaced-repetition-settings summary,[data-skin=midnight-slate] .spaced-repetition-settings .retention-explanation h4,[data-skin=midnight-slate] .spaced-repetition-settings .retention-explanation strong,[data-skin=midnight-slate] .spaced-repetition-settings .settings-section h4{color:var(--app-text)!important}[data-skin=midnight-slate] .spaced-repetition-settings .section-description,[data-skin=midnight-slate] .spaced-repetition-settings .settings-description,[data-skin=midnight-slate] .spaced-repetition-settings .status-label,[data-skin=midnight-slate] .spaced-repetition-settings .data-management-description{color:var(--app-muted)!important}[data-skin=midnight-slate] .spaced-repetition-settings .status-value{color:#86efac!important}[data-skin=midnight-slate] .spaced-repetition-settings h3{color:var(--app-text)!important}[data-skin=midnight-slate] .contact-section-button{background:var(--app-surface)!important;color:#93c5fd!important;border-color:#334155!important}[data-skin=midnight-slate] .contact-section-button:hover{background:#3b82f626!important}[data-skin=midnight-slate] .azure-tts-settings .config-select,[data-skin=midnight-slate] .azure-tts-settings .config-input{background:var(--app-surface)!important;color:var(--app-text)!important;border-color:var(--app-border)!important}[data-skin=midnight-slate] .azure-tts-settings .status-badge.configured,[data-skin=midnight-slate] .azure-aoai-settings .status-badge.configured{background:#10b98133!important;color:#d1fae5!important}[data-skin=midnight-slate] .azure-tts-settings .status-badge.not-configured{background:#f59e0b33!important;color:#fde68a!important}[data-skin=midnight-slate] .azure-tts-settings .voices-list ul{background:var(--app-surface)!important;border-color:var(--app-border)!important}[data-skin=midnight-slate] .azure-tts-settings .voice-details{color:var(--app-muted)!important}[data-skin=midnight-slate] .azure-aoai-settings .server-note,[data-skin=midnight-slate] .azure-tts-settings .server-note{background:#3b82f626!important;border-color:#3b82f666!important;color:#dbeafe!important}[data-skin=midnight-slate] .home-stats .stat-card,[data-skin=midnight-slate] .stat-card{background:var(--app-surface);border-color:var(--app-border);box-shadow:0 10px 24px #0f172a59}[data-skin=midnight-slate] .home-stats .stat-number,[data-skin=midnight-slate] .stat-number{color:#e2e8f0}[data-skin=midnight-slate] .stat-label,[data-skin=midnight-slate] .stat-meta,[data-skin=midnight-slate] .weekly-total{color:var(--app-muted)}[data-skin=midnight-slate] .stat-progress{background:#94a3b833}[data-skin=midnight-slate] .home-secondary-cta{background:var(--app-surface);color:#93c5fd;border-color:#334155}[data-skin=midnight-slate] .home-actions .action-btn.primary{background:linear-gradient(135deg,#3b82f6,#6366f1);color:#f8fafc;border:1px solid rgba(59,130,246,.6);box-shadow:0 16px 24px #2563eb59}[data-skin=midnight-slate] .home-actions .action-btn.primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 20px 28px #3b82f673}[data-skin=midnight-slate] .home-actions .action-btn.primary:disabled{background:#1f2937;color:#64748b;border-color:#1f2937;box-shadow:none}[data-skin=midnight-slate] .link-btn{color:#93c5fd}[data-skin=midnight-slate] .link-btn:hover{color:#bfdbfe}[data-skin=midnight-slate] .review-card{background:#111827d9;border:1px solid rgba(148,163,184,.1);color:var(--app-text);box-shadow:0 8px 32px #0006;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}[data-skin=midnight-slate] .review-header{border-bottom-color:#94a3b81a}[data-skin=midnight-slate] .review-header h2,[data-skin=midnight-slate] .review-title-section,[data-skin=midnight-slate] .review-stats,[data-skin=midnight-slate] .card-info,[data-skin=midnight-slate] .no-cards,[data-skin=midnight-slate] .loading,[data-skin=midnight-slate] .no-cards h2{color:var(--app-text)}[data-skin=midnight-slate] .no-cards{color:#94a3b8}[data-skin=midnight-slate] .no-cards h2{color:#f1f5f9;font-size:1.8rem}[data-skin=midnight-slate] .due-count{background:#6366f126;color:#a5b4fc}[data-skin=midnight-slate] .lapse-count{background:#ef444426;color:#fca5a5}[data-skin=midnight-slate] .review-actions .explore-toggle,[data-skin=midnight-slate] .explore-toggle{color:#94a3b8}[data-skin=midnight-slate] .explore-toggle:hover{color:#cbd5f5}[data-skin=midnight-slate] .explore-actions .ghost-link,[data-skin=midnight-slate] .explore-actions .explain-button.ghost,[data-skin=midnight-slate] .explore-actions .example-button.ghost{color:#818cf8}[data-skin=midnight-slate] .explore-actions .ghost-link:hover,[data-skin=midnight-slate] .explore-actions .explain-button.ghost:hover,[data-skin=midnight-slate] .explore-actions .example-button.ghost:hover{color:#a5b4fc}[data-skin=midnight-slate] .tone-details{background:var(--app-surface-alt);border-color:var(--app-border)}[data-skin=midnight-slate] .tone-details summary{color:var(--app-muted)}[data-skin=midnight-slate] .card-front:after{background:linear-gradient(90deg,transparent,rgba(99,102,241,.2),transparent)}[data-skin=midnight-slate] .reveal-btn{background:var(--teacher-accent-strong);color:#fff8ef;border:none;box-shadow:0 4px 16px #a05c3247}[data-skin=midnight-slate] .reveal-btn:hover:not(:disabled){box-shadow:0 6px 24px #a05c325c;transform:translateY(-2px)}[data-skin=midnight-slate] .reveal-btn.secondary{background:#ffffff0f;color:#cbd5f5;border:1px solid rgba(148,163,184,.2);box-shadow:none}[data-skin=midnight-slate] .reveal-btn.secondary:hover:not(:disabled){background:#ffffff1a;border-color:#94a3b84d;box-shadow:none;transform:translateY(-1px)}[data-skin=midnight-slate] .reveal-btn.demoted{background:var(--app-surface-alt);color:var(--app-muted)}[data-skin=midnight-slate] .already-known-btn:disabled{background:var(--app-surface-alt);color:var(--app-muted)}[data-skin=midnight-slate] .no-cards,[data-skin=midnight-slate] .loading,[data-skin=midnight-slate] .card-info{color:var(--app-muted)}[data-skin=midnight-slate] .local-badge{background:#22c55e33;color:#86efac}[data-skin=midnight-slate] .answer-text{background:#22c55e14;border:2px solid rgba(34,197,94,.3);color:#4ade80;box-shadow:0 0 20px #22c55e14}[data-skin=midnight-slate] .answer-text.sentence{background:#22c55e0f;border-color:#22c55e33;color:#86efac}[data-skin=midnight-slate] .again-btn{background:transparent;border:2px solid rgba(239,68,68,.5);color:#f87171;box-shadow:0 0 16px #ef44441a}[data-skin=midnight-slate] .again-btn:hover:not(:disabled){background:#ef444414;border-color:#ef4444b3;box-shadow:0 0 24px #ef444426}[data-skin=midnight-slate] .good-btn{background:linear-gradient(135deg,#22c55e,#16a34a);border:none;color:#fff;box-shadow:0 4px 20px #22c55e4d}[data-skin=midnight-slate] .good-btn:hover:not(:disabled){box-shadow:0 6px 28px #22c55e66;transform:translateY(-2px)}[data-skin=midnight-slate] .again-btn:disabled,[data-skin=midnight-slate] .good-btn:disabled{background:#ffffff0a;color:#475569;border-color:#94a3b81a;box-shadow:none}[data-skin=midnight-slate] .grade-actions.first-presentation .continue-btn{background:var(--teacher-accent-strong);box-shadow:0 4px 20px #a05c3247;color:#fff8ef;border:none}[data-skin=midnight-slate] .grade-actions.first-presentation .continue-btn:hover:not(:disabled){box-shadow:0 6px 28px #a05c325c;transform:translateY(-2px)}[data-skin=midnight-slate] .grade-actions.first-presentation .continue-btn:disabled{background:linear-gradient(135deg,#2f211b80,#8d513080);color:#fff8ef99;box-shadow:none;border:none}[data-skin=midnight-slate] .grade-honesty-hint{color:#64748b}[data-skin=midnight-slate] .explore-panel{background:#ffffff08;border-color:#94a3b81a}[data-skin=midnight-slate] .progress-badge.compact.pending.active{background:#6366f11f;color:#a5b4fc}[data-skin=midnight-slate] .card-state-chip.state-new{background:linear-gradient(135deg,#ef444433,#ef44441f);color:#f87171;border-color:#ef444440}[data-skin=midnight-slate] .card-state-chip.state-learning{background:linear-gradient(135deg,#facc1526,#eab3081a);color:#fbbf24;border-color:#facc1540}[data-skin=midnight-slate] .card-state-chip.state-review{background:linear-gradient(135deg,#22c55e26,#22c55e1a);color:#4ade80;border-color:#22c55e40}[data-skin=midnight-slate] .quality-badge{background:#3b82f633;color:#bfdbfe}.explain-button{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:var(--teacher-accent-strong);color:#fff;border:none;border-radius:6px;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s ease;min-height:38px;box-shadow:0 4px 8px #a05c324d,0 2px 4px #0000001a,inset 0 1px #fff3;border:1px solid rgba(255,255,255,.1)}.explain-button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 12px #a05c3266,0 3px 6px #00000026,inset 0 1px #ffffff4d;background:linear-gradient(135deg,#5a6fd8,#6a4190)}.sh-overlay{position:fixed;inset:0;background:#0b1120;z-index:1000;display:flex;flex-direction:column}.sh-container{display:flex;flex-direction:column;height:100%;max-width:480px;margin:0 auto;width:100%}.sh-header{display:flex;align-items:center;padding:1rem 1.25rem;gap:1rem}.sh-back{background:none;border:none;color:#f1f5f9;font-size:1.5rem;cursor:pointer;padding:.25rem .5rem;line-height:1;border-radius:8px;transition:background .2s}.sh-back:hover{background:#f1f5f91a}.sh-title{margin:0;font-size:1.25rem;font-weight:700;color:#f1f5f9;flex:1;text-align:center;padding-inline-end:2rem}.sh-scroll{flex:1;overflow-y:auto;padding:0 1rem 2rem;-webkit-overflow-scrolling:touch}.sh-empty{text-align:center;color:#94a3b8;padding:4rem 1rem;font-size:1rem}.sh-empty .sh-muted{color:#64748b;font-size:.875rem;margin-top:.5rem}.sh-week-card{position:relative;background:#162137b3;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(148,163,184,.1);border-radius:18px;padding:1.25rem;margin-bottom:.75rem;overflow:hidden}.sh-week-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#3b82f6,#8b5cf6,#06b6d4);border-radius:18px 18px 0 0}.sh-week-summary{color:#f1f5f9;font-size:1rem;font-weight:600;margin-bottom:1rem}.sh-streak{display:flex;justify-content:space-between;align-items:flex-end;position:relative;padding-top:1.25rem}.sh-streak-day{display:flex;flex-direction:column;align-items:center;gap:.35rem;position:relative;flex:1}.sh-streak-indicators{display:flex;flex-direction:column;align-items:center;height:1.5rem;justify-content:flex-end}.sh-streak-check{font-size:.65rem;color:#4ade80}.sh-streak-fire{font-size:.75rem}.sh-streak-dot{width:14px;height:14px;border-radius:50%;background:#94a3b826;border:2px solid rgba(148,163,184,.2);position:relative;z-index:1;transition:all .3s ease}.sh-streak-dot.sh-streak-active{background:linear-gradient(135deg,#3b82f6,#8b5cf6);border-color:transparent;box-shadow:0 0 10px #3b82f673}.sh-streak-dot.sh-streak-future{opacity:.25}.sh-streak-line{position:absolute;top:calc(3.1rem + 5px);left:50%;width:100%;height:2px;background:#94a3b81a;z-index:0}.sh-streak-line.sh-streak-line-active{background:linear-gradient(90deg,#3b82f6,#8b5cf6);opacity:.5}.sh-streak-label{font-size:.7rem;color:#64748b;font-weight:500}.sh-session-card{background:#162137a6;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(148,163,184,.08);border-radius:16px;padding:1rem 1.25rem;margin-bottom:.625rem;transition:transform .15s ease,border-color .15s ease}.sh-session-card:active{transform:scale(.985)}.sh-session-date{color:#f1f5f9;font-weight:600;font-size:.95rem;margin-bottom:.5rem}.sh-session-stats{display:grid;grid-template-columns:1fr 1fr;gap:.25rem 1rem}.sh-stat{display:flex;align-items:center;gap:.4rem;color:#94a3b8;font-size:.85rem}.sh-stat-icon{font-size:.8rem;width:1.1rem;text-align:center}.explain-button:active:not(:disabled){transform:translateY(2px);box-shadow:inset 0 3px 8px #0000004d,inset 0 1px 4px #0003,0 1px 2px 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h2{color:var(--app-text)}[data-skin=midnight-slate] .progress-text{color:var(--app-muted)}[data-skin=midnight-slate] .progress-bar{background:#94a3b840}[data-skin=midnight-slate] .back-button{background:var(--app-surface);border-color:var(--app-border);color:var(--app-text)}[data-skin=midnight-slate] .back-button:hover{background:var(--app-surface-alt);border-color:#334155}[data-skin=midnight-slate] .story-container{background:var(--app-surface);border:1px solid var(--app-border);box-shadow:none}[data-skin=midnight-slate] .story-title{background:linear-gradient(135deg,#1f2a44,#273250);color:var(--app-text)}[data-skin=midnight-slate] .story-box{background:var(--app-surface)}[data-skin=midnight-slate] .story-line{border-bottom-color:#94a3b840}[data-skin=midnight-slate] .story-line.thai-line{background:#1e293bb3;box-shadow:none}[data-skin=midnight-slate] .story-line.romanization-line{background:#1e293b73}[data-skin=midnight-slate] .story-line.literal-line{border-left-color:#64748b;color:#94a3b8}[data-skin=midnight-slate] .story-line.natural-line{border-left-color:#34d399;color:#e2e8f0}[data-skin=midnight-slate] .story-actions{background:var(--app-surface-alt);border-top-color:var(--app-border)}[data-skin=midnight-slate] .loading-state,[data-skin=midnight-slate] .error-state,[data-skin=midnight-slate] .empty-state{background:var(--app-surface);border:1px solid var(--app-border);color:var(--app-text)}[data-skin=midnight-slate] .loading-state h3,[data-skin=midnight-slate] .loading-state p,[data-skin=midnight-slate] .loading-state small{color:var(--app-muted)}[data-skin=midnight-slate] .error-state{background:#7f1d1d33;border-color:#f8717180}.story-title h3{margin:0;font-size:1.3rem;font-weight:600}.story-box{padding:2rem;background:#fff}.story-lines{margin-bottom:2rem}.story-line{display:flex;align-items:center;gap:1rem;padding:1rem 0;border-bottom:1px solid 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.pronunciation-text-inline,.romanization-inline.sentence .add-pronunciation-btn-inline{font-size:1.5rem!important;padding:.35rem .75rem;border-radius:8px;border:1px dashed rgba(160,92,50,.3);background:#fdf6ec;box-shadow:none;overflow-wrap:break-word;flex-shrink:1;white-space:normal}.pronunciation-text-inline{color:#6b5544;font-style:normal;font-size:1.3rem!important;font-weight:700!important;font-family:Segoe UI,Noto Sans,Liberation Sans,Arial Unicode MS,Lucida Sans Unicode,DejaVu Sans,Arial,sans-serif;background:linear-gradient(145deg,#fffdf8,#fdf3e6);padding:.4rem .8rem;border-radius:12px;border:2px solid rgba(160,92,50,.22);cursor:pointer;transition:all .2s ease;white-space:normal;overflow-wrap:break-word;box-shadow:0 4px 12px #a05c3224;flex-shrink:1;text-align:center;display:inline-block;max-width:100%;text-rendering:optimizeLegibility;unicode-bidi:normal;direction:ltr;-webkit-font-feature-settings:"kern" 1,"liga" 1;font-feature-settings:"kern" 1,"liga" 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.romanization-inline{color:#64748b;font-size:.95rem;margin-top:.3rem}[data-skin=midnight-slate] .card-main-line .pronunciation-text-inline{color:#818cf8;opacity:1}[data-skin=midnight-slate] .multiple-choice-panel{background:#0f172a66;border:1px solid rgba(99,102,241,.1);border-radius:18px;padding:1rem;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}[data-skin=midnight-slate] .multiple-choice-header{color:#64748b;font-size:.8rem;font-weight:500;letter-spacing:.03em;margin-bottom:.25rem}[data-skin=midnight-slate] .choice-option{background:#1e293b8c;border:1.5px solid rgba(148,163,184,.1);border-radius:14px;padding:.9rem 1.1rem;color:#e2e8f0;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:all .2s ease;box-shadow:0 2px 8px #00000026}@media(hover:hover){[data-skin=midnight-slate] .choice-option:hover:not(:disabled):not(.correct):not(.incorrect){background:#6366f11a;border-color:#818cf866;box-shadow:0 0 20px #6366f126,0 4px 12px 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.action-btn.tertiary{background:var(--app-surface-alt);color:var(--app-muted);border-color:var(--app-border)}@media(max-width:600px){.modal-overlay{padding:0;align-items:stretch;justify-content:stretch}.modal-content{margin:0;max-height:100vh;height:100vh;border-radius:0;max-width:none}.modal-header{padding:1rem;border-radius:0}.modal-header h3{font-size:1.1rem}.modal-body{padding:1rem;flex:1;overflow-y:auto}.word-display{padding:1rem;margin-bottom:1rem;border-radius:12px}.thai-word-with-speaker{gap:.8rem;margin-bottom:.3rem}.thai-word{font-size:1.8rem}.pronunciation{font-size:1.1rem}.question-section h4{font-size:1.2rem;margin-bottom:.5rem}.instruction{font-size:1rem;line-height:1.4}.question-section,.input-section{margin-bottom:1rem}.input-section label{font-size:1rem;margin-bottom:.5rem}.sound-input{padding:1rem;font-size:1.1rem;border-radius:12px;max-width:none}.input-help{font-size:.9rem;margin-top:.5rem}.modal-actions{gap:1rem;margin-bottom:1rem}.action-btn{padding:1.2rem 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input{width:18px;height:18px;margin:0;accent-color:#8d5130;color-scheme:light}.session-intro-start:hover{filter:brightness(1.06)}.session-intro-start:active{transform:translateY(1px)}.session-intro-recovery{display:flex;flex-direction:column;gap:.55rem;text-align:start}.session-intro-recovery--nonverbal{align-items:center;justify-content:center;min-height:96px}.session-intro-recovery-glyph{font-size:2.2rem;line-height:1}.session-intro-recovery-glyph--waiting{animation:session-intro-hourglass-flip 1.4s ease-in-out infinite}@keyframes session-intro-hourglass-flip{0%,55%{transform:rotate(0)}70%,to{transform:rotate(180deg)}}@media(prefers-reduced-motion:reduce){.session-intro-recovery-glyph--waiting{animation:session-intro-hourglass-pulse 1.6s ease-in-out infinite}@keyframes session-intro-hourglass-pulse{0%,to{opacity:1}50%{opacity:.4}}}.session-intro-recovery-actions{display:grid;gap:.65rem}.session-intro-recovery-exit{width:100%;padding:.75rem 1rem;border:1px solid rgba(105,72,48,.24);border-radius:12px;background:transparent;color:#674a3d;font:inherit;font-weight:700;cursor:pointer}@media(max-width:420px){.session-intro-card{padding:1.4rem 1.1rem 1.2rem;border-radius:14px}.session-intro-headline{font-size:1.3rem}}.diagnostic-identity-badge{position:fixed;top:calc(env(safe-area-inset-top,0px) + .5rem);right:max(2rem,calc(env(safe-area-inset-right,0px) + .5rem));z-index:12000;box-sizing:border-box;overflow:hidden;border:1px solid rgba(255,255,255,.3);background:#18120fd1;box-shadow:0 2px 10px #00000038;color:#fff8ef;font:600 .62rem/1.25 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#f4ca99;outline-offset:2px}@media(max-width:420px){.diagnostic-identity-expanded{font-size:.58rem}}.emergency-recovery-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;justify-content:center;align-items:center;z-index:10000;font-family:system-ui,-apple-system,sans-serif}.emergency-recovery-modal{background:#fff;border-radius:12px;padding:2rem;max-width:500px;width:90%;box-shadow:0 20px 60px #0000004d}.recovery-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;border-bottom:2px solid #d32f2f;padding-bottom:.5rem}.recovery-header h2{margin:0;color:#d32f2f}.close-btn{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#666}.close-btn:hover{color:#d32f2f}.recovery-content p{margin:.5rem 0;color:#333}.recovery-actions{margin-top:2rem;display:flex;gap:1rem;flex-wrap:wrap}.recovery-btn{padding:.75rem 1.5rem;border:none;border-radius:8px;cursor:pointer;font-weight:600;transition:all .2s ease}.recovery-btn.primary{background:#2196f3;color:#fff}.recovery-btn.secondary{background:#f5f5f5;color:#333}.recovery-btn:hover{transform:translateY(-2px);filter:brightness(110%)}.emergency-hint{position:fixed;bottom:10px;right:10px;font-size:.7rem;color:#0000004d;pointer-events:none;z-index:1000;font-family:monospace}.hint-text{background:#fffc;padding:.25rem .5rem;border-radius:4px;opacity:0;transition:opacity .3s ease}.emergency-hint:hover .hint-text{opacity:1}