:root{--color-canvas: #ffffff;--color-surface: #ffffff;--color-surface-muted: #f6f7f8;--color-text: #202124;--color-text-secondary: #6b7280;--color-text-disabled: #a6abb3;--color-accent: #d93b3b;--color-accent-hover: #c83232;--color-accent-soft: #fdecec;--color-border: #e5e7eb;--color-border-strong: #cfd3d8;--color-danger: #c93636;--color-danger-soft: #fdeaea;--color-on-accent: #ffffff;--font-ui: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;--font-reading: Georgia, "Times New Roman", serif;--text-caption: 11px;--text-meta: 12px;--text-compact: 13px;--text-body: 14px;--text-section: 16px;--text-reading: 18px;--text-translation: 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strong{border-color:var(--color-accent);color:var(--color-accent)}.weekly-day.complete strong{color:var(--color-on-accent);background:var(--color-accent)}.recent-listening{display:grid;gap:4px}.recent-listening-header{min-height:30px;display:flex;align-items:center;justify-content:space-between;gap:16px}.recent-listening-header h2{margin:0;font-size:var(--text-section);line-height:1.4}.recent-listening-list{display:grid;gap:4px;background:transparent}.recent-listening-row{width:100%;min-height:60px;display:grid;grid-template-columns:30px minmax(0,1fr) auto;align-items:center;gap:10px;padding:9px 8px;border:0;border-radius:8px;color:var(--color-text);background:transparent;text-align:left}.recent-listening-row:hover{background:linear-gradient(90deg,var(--color-surface-muted),transparent)}.recent-listening-row:disabled{cursor:default;opacity:.58}.recent-listening-index{color:var(--color-accent);font-size:var(--text-meta);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.04em}.recent-listening-copy{min-width:0}.recent-listening-copy strong{display:block;overflow:hidden;font-size:var(--text-section);line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.recent-listening-arrow{color:var(--color-text-secondary);font-size:19px}.recent-listening-empty{margin:0;padding:12px 0 4px;color:var(--color-text-secondary);font-size:var(--text-meta);line-height:1.5}.sentence-stage{min-height:180px;display:grid;gap:8px;padding:18px 0 20px;color:var(--color-text);background:transparent}.sentence-stage-home{flex:1 0 auto}.sentence-stage-player{min-height:260px;flex:1;margin:18px 0 12px;padding-top:0;border-top:0}.sentence-stage-label{margin:0;font-size:var(--text-section);font-weight:700;line-height:1.4}.sentence-stage-body{min-width:0;min-height:120px;display:grid;align-content:center;gap:0;padding:10px 0;border:0;color:var(--color-text);background:transparent;text-align:left}.sentence-stage-english{display:block;margin-top:0;font-family:var(--font-reading);font-size:var(--text-reading);font-weight:400;line-height:1.5}.sentence-stage-translation{display:block;margin-top:16px;color:var(--color-text-secondary);font-family:var(--font-ui);font-size:var(--text-translation);line-height:1.6}.sentence-stage.unavailable .sentence-stage-english{color:var(--color-text-secondary);font-family:inherit}.library-back{width:fit-content;min-height:44px;display:inline-flex;align-items:center;gap:6px;margin-left:-8px;padding:0 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.collection-card-index{font-family:var(--font-ui);font-size:17px;font-weight:800;letter-spacing:.04em}.collection-card-podcast .collection-card-cover{color:#596277;background:linear-gradient(145deg,#59627721,#59627709),var(--color-surface)}.collection-card-podcast .collection-card-index{font-family:var(--font-ui);font-size:var(--text-caption);font-weight:800;letter-spacing:.08em}.collection-card .collection-card-arrow{justify-self:end;color:var(--color-text-secondary);font-size:20px;line-height:1}.collection-card-copy{min-width:0;display:grid;gap:4px}.collection-card-copy strong{overflow:hidden;font-size:var(--text-body);font-weight:700;line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.collection-card .collection-card-copy>span{overflow:hidden;color:var(--color-text-secondary);font-size:var(--text-meta);line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.collection-list{margin-top:10px}.course-list{display:grid;gap:4px;margin:10px 0 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ease}.compact-player-header.visible{opacity:1;transform:translateY(0);pointer-events:auto}.compact-player-header-inner{width:min(100%,760px);min-height:52px;margin:0 auto;padding:0 16px;display:grid;grid-template-columns:44px auto minmax(0,1fr);align-items:center;gap:8px}.compact-player-header .back{margin:0}.compact-player-header .back:disabled{cursor:default}.compact-header-divider{display:none}.compact-player-header strong{overflow:hidden;margin-left:8px;color:var(--color-text);font-size:var(--text-body);font-weight:700;line-height:1.25;text-align:left;text-overflow:ellipsis;white-space:nowrap}.compact-view-switch{display:grid;grid-template-columns:1fr 1fr;gap:16px}.compact-view-switch button{position:relative;min-width:44px;height:44px;padding:0;border:0;border-radius:0;color:var(--color-text-secondary);background:transparent;font-size:var(--text-section);font-weight:700}.compact-view-switch button:disabled{cursor:default}.compact-view-switch button:hover,.compact-view-switch 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.segment-english{color:var(--color-text);font-weight:400}.segment.active .segment-translation{color:var(--color-text-secondary)}.timed-word{border-radius:3px;box-decoration-break:clone;-webkit-box-decoration-break:clone}.timed-word.past{color:var(--color-text)}.timed-word.future{color:var(--color-text-secondary)}.timed-word.current{color:var(--color-accent);background:var(--color-accent-soft)}.segment.active .timed-word.future{color:var(--color-text-secondary)}.segment.active .timed-word.current{color:var(--color-accent)}.follow-transcript{position:fixed;z-index:9;left:50%;bottom:calc(220px + env(safe-area-inset-bottom));min-height:44px;display:inline-flex;align-items:center;gap:7px;padding:0 18px;border:0;border-radius:22px;color:var(--color-on-accent);background:var(--color-accent);box-shadow:0 8px 24px #e94b4b33;transform:translate(-50%);font-weight:700}.settings-collapsed .follow-transcript{bottom:calc(160px + env(safe-area-inset-bottom))}.player-dock{position:fixed;z-index:10;left:50%;bottom:0;width:min(100%,600px);display:grid;gap:8px;padding:8px 18px calc(10px + env(safe-area-inset-bottom));border:0;border-radius:0;background:#fffffffa;box-shadow:0 -10px 28px #20212412;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);transform:translate(-50%)}.dock-now-playing{width:min(100%,430px);min-height:44px;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;margin:0 auto;padding:4px 0;border:0;border-radius:0;color:var(--color-text);background:transparent;text-align:left}button.dock-now-playing:hover{color:var(--color-accent)}.dock-now-playing>span{min-width:0;display:grid;gap:2px}.dock-now-playing strong,.dock-now-playing small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dock-now-playing strong{font-size:var(--text-compact);font-weight:700}.dock-now-playing small{color:var(--color-text-secondary);font-size:var(--text-caption)}.dock-now-playing b{color:var(--color-text-secondary);font-size:19px;font-weight:500}.dock-timeline{width:min(100%,430px);display:grid;gap:4px;margin:0 auto;color:var(--color-text-secondary);font-size:var(--text-caption);font-variant-numeric:tabular-nums}.dock-timeline-meta{display:flex;justify-content:space-between;gap:12px}.dock-timeline-meta span:last-child{white-space:nowrap}.dock-timeline-track{height:3px;overflow:hidden;border-radius:999px;background:var(--color-border)}.dock-timeline-track>span{display:block;height:100%;border-radius:inherit;background:var(--color-accent)}.sentence-controls{width:min(100%,430px);display:grid;grid-template-columns:44px minmax(44px,1fr) 56px minmax(44px,1fr) 50px;align-items:center;gap:8px;margin:0 auto}.dock-settings-toggle{width:44px;height:44px;display:grid;place-items:center;padding:0;border:0;border-radius:50%;color:var(--color-text-secondary);background:transparent}.dock-settings-toggle[aria-expanded=true]{color:var(--color-accent);background:transparent}.dock-settings-toggle svg{width:19px;height:19px}.sentence-control{min-width:0;min-height:44px;display:flex;align-items:center;justify-content:center;gap:6px;padding:0 9px;border:0;border-radius:0;color:var(--color-text);background:transparent;font-size:var(--text-meta)}.sentence-control:hover{color:var(--color-accent)}.sentence-control svg{width:17px;height:17px}.sentence-play{width:56px;height:56px;display:grid;place-items:center;padding:0;border:0;border-radius:50%;color:var(--color-on-accent);background:var(--color-accent)}.sentence-play svg{width:23px;height:23px}.sentence-repeat{width:50px;min-height:44px;padding:0;border:0;border-radius:0;color:var(--color-text-secondary);background:transparent;font-size:var(--text-meta);font-weight:700}.sentence-repeat.active{color:var(--color-accent);background:transparent}.player-dock button:focus-visible,.library-menu:focus-visible,.recent-listening button:focus-visible,.sentence-controls button:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.sentence-controls button:disabled{color:var(--color-text-disabled);cursor:default}.sentence-controls .sentence-play:disabled{background:var(--color-border-strong)}.player-settings{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));width:min(100%,430px);margin:0 auto}.player-settings[hidden]{display:none}.player-setting{position:relative;min-width:0}.setting-trigger{width:100%;min-height:48px;display:grid;place-content:center;gap:2px;padding:3px 6px;border:0;border-radius:10px;color:var(--color-text-secondary);background:transparent;text-align:center}.setting-trigger:hover,.setting-trigger[aria-expanded=true]{background:var(--color-surface-muted)}.setting-trigger:disabled{color:var(--color-text-disabled);cursor:default}.setting-trigger strong{color:var(--color-text);font-size:var(--text-body);font-variant-numeric:tabular-nums}.setting-trigger:disabled strong{color:inherit;font-size:var(--text-meta)}.setting-trigger span{font-size:var(--text-meta)}.player-menu{position:absolute;z-index:20;bottom:calc(100% + 10px);width:210px;max-height:min(360px,calc(100vh - 220px));overflow-y:auto;padding:8px;border:1px solid var(--color-border);border-radius:14px;background:var(--color-surface);box-shadow:0 16px 40px #20212429}.speed-menu{left:0}.repeat-menu{left:50%;width:286px;transform:translate(-50%)}.audio-menu{right:0;width:248px}.reading-menu{right:0}.menu-note{display:block;padding:8px 10px 4px;color:var(--color-text-secondary);font-size:var(--text-meta);line-height:1.4}.ai-dub-notice{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 10px;margin:8px 0 0;color:var(--color-text-secondary);font-size:var(--text-meta)}.ai-dub-notice span{color:var(--color-text-tertiary, var(--color-text-secondary))}.menu-title{display:block;padding:5px 7px 9px;color:var(--color-text-secondary);font-size:var(--text-meta);font-weight:700}.menu-option{width:100%;min-height:42px;display:grid;grid-template-columns:24px 1fr;align-items:center;padding:0 10px;border:0;border-radius:9px;color:var(--color-text);background:transparent;text-align:left}.icon-slot{width:18px;height:18px;display:grid;place-items:center}.icon-slot svg{width:18px;height:18px}.menu-option.selected,.repeat-grid .selected{color:var(--color-on-accent);background:var(--color-accent)}.menu-option:disabled{color:var(--color-text-disabled);cursor:default}.repeat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-bottom:8px}.repeat-grid button{min-width:0;min-height:42px;padding:0;border:0;border-radius:9px;color:var(--color-text);background:var(--color-surface-muted);font-size:var(--text-compact);font-variant-numeric:tabular-nums}.repeat-grid button svg{width:14px;height:14px;margin-right:2px;vertical-align:-2px}.repeat-off{margin-top:4px;border-top:1px solid var(--color-border);border-radius:0 0 9px 9px}.button-icon{width:18px;height:18px;flex:none}.loading-icon{animation:icon-spin .8s linear infinite}@keyframes icon-spin{to{transform:rotate(360deg)}}@media(max-width:420px){.center-card,.player-page{padding-left:16px;padding-right:16px}.course-home{padding-top:max(16px,calc(10px + env(safe-area-inset-top)))}.course-home.has-player-dock{padding-bottom:calc(180px + env(safe-area-inset-bottom))}.course-home.has-player-dock.settings-expanded{padding-bottom:calc(242px + env(safe-area-inset-bottom))}.daily-inspiration>div{grid-template-columns:minmax(0,1fr)}.daily-inspiration small{justify-self:end}.sentence-control{gap:4px;padding-left:4px;padding-right:4px}.setting-trigger{padding-left:2px;padding-right:2px}.repeat-menu{width:300%}.audio-menu{width:360%}.course-group-list{padding-left:24px}.course-row{align-items:center;gap:10px}.download{min-width:72px;padding:0 6px}.collection-card{min-height:74px}}@media(max-width:340px){.player-dock{padding-left:12px;padding-right:12px}.sentence-controls{grid-template-columns:44px minmax(42px,1fr) 56px minmax(42px,1fr) 48px;gap:5px}.sentence-control span{display:none}.sentence-repeat{width:48px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important}.collection-card,.course-group-icon,.compact-player-header{transition:none}.loading-icon{animation-duration:1.6s}}