:root{--bg-main: #0a0b0e;--bg-surface: #12141a;--bg-surface-elevated: #181b24;--bg-surface-hover: #1f2330;--border-subtle: rgba(255, 255, 255, .07);--border-strong: rgba(255, 255, 255, .14);--text-main: #f3f4f6;--text-muted: #9ca3af;--text-dim: #6b7280;--accent-primary: #ff5722;--accent-primary-hover: #ff7043;--accent-primary-dim: rgba(255, 87, 34, .15);--accent-primary-glow: rgba(255, 87, 34, .4);--accent-green: #10b981;--accent-cyan: #06b6d4;--accent-amber: #f59e0b;--accent-red: #ef4444;--font-sans: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, monospace;--font-lyrics: "Zen Kurenaido", "Noto Sans JP", system-ui, sans-serif}*{box-sizing:border-box;margin:0;padding:0;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.12) transparent}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1f;border-radius:999px}::-webkit-scrollbar-thumb:hover{background:#ffffff40}html,body{width:100vw;height:100vh;overflow:hidden;background-color:var(--bg-main);color:var(--text-main);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{font-family:inherit;cursor:pointer;border:none;outline:none;background:none;color:inherit}input{font-family:inherit;color:inherit;outline:none;border:none}:root{--theater-bg: #060709;--theater-sidebar-bg: rgba(12, 14, 20, .88);--theater-surface: #10131c;--theater-surface-elevated: #161b27;--theater-surface-hover: #1c2232;--theater-border: rgba(255, 255, 255, .07);--theater-border-hover: rgba(255, 255, 255, .16);--theater-text: #f9fafb;--theater-text-muted: #8c93a4;--theater-text-dim: #545b6d;--accent-flame: #ff4d00;--accent-flame-hover: #ff6524;--accent-flame-dim: rgba(255, 77, 0, .16);--accent-flame-glow: rgba(255, 77, 0, .45);--accent-cyan: #00d2ff;--accent-amber: #f59e0b;--accent-emerald: #00e599;--font-sans: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, monospace;--font-lyrics: "Zen Kurenaido", "Noto Sans JP", system-ui, sans-serif}.theater-app{display:flex;width:100vw;height:100vh;position:relative;background:radial-gradient(ellipse at 50% 0%,#111522 0%,var(--theater-bg) 70%);overflow:hidden;color:var(--theater-text);font-family:var(--font-sans)}.theater-sidebar{width:360px;min-width:320px;max-width:420px;height:100%;background:var(--theater-sidebar-bg);backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px);border-right:1px solid var(--theater-border);display:flex;flex-direction:column;z-index:20;box-shadow:4px 0 32px #00000073}.sidebar-header{padding:20px 20px 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--theater-border)}.brand-container{display:flex;align-items:center;gap:12px}.brand-logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--accent-flame) 0%,#ff8a65 100%);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px var(--accent-flame-dim)}.brand-text-col{display:flex;flex-direction:column}.brand-title{font-size:14px;font-weight:800;letter-spacing:.8px;color:#fff;text-transform:uppercase}.brand-sub{font-size:10px;font-family:var(--font-mono);color:var(--accent-emerald);letter-spacing:.5px;display:flex;align-items:center;gap:4px}.brand-sub:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent-emerald);box-shadow:0 0 6px var(--accent-emerald)}.btn-studio-link{font-size:12px;font-weight:600;color:var(--theater-text-muted);display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:8px;background:#ffffff0a;border:1px solid var(--theater-border);transition:all .2s ease;text-decoration:none}.btn-studio-link:hover{background:#ffffff1a;color:#fff;border-color:var(--theater-border-hover)}.search-pill-container{padding:14px 18px;display:flex;flex-direction:column;gap:10px;border-bottom:1px solid var(--theater-border)}.search-pill{position:relative;display:flex;align-items:center;background:#00000059;border:1px solid var(--theater-border);border-radius:12px;padding:10px 14px;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:inset 0 2px 4px #0000004d}.search-pill:focus-within{background:#0000008c;border-color:var(--accent-flame);box-shadow:0 0 0 3px var(--accent-flame-dim),inset 0 2px 4px #0000004d}.search-pill-icon{width:16px;height:16px;color:var(--theater-text-dim);flex-shrink:0;margin-right:10px}.search-pill input{flex:1;background:transparent;font-size:13px;font-weight:500;color:#fff;outline:none;border:none}.search-pill input::placeholder{color:var(--theater-text-dim)}.search-pill-kbd{font-size:10px;font-family:var(--font-mono);background:#ffffff14;border:1px solid var(--theater-border);padding:2px 6px;border-radius:5px;color:var(--theater-text-dim);pointer-events:none}.search-pill-clear{display:none;font-size:11px;color:var(--theater-text-muted);background:#ffffff14;width:18px;height:18px;border-radius:50%;cursor:pointer;align-items:center;justify-content:center;margin-right:6px}.search-pill-clear:hover{color:#fff;background:#ffffff29}.search-meta-row{display:flex;justify-content:space-between;align-items:center;font-size:11px;font-family:var(--font-mono);color:var(--theater-text-dim);padding:0 4px}.sidebar-song-list{flex:1;overflow-y:auto;overflow-x:hidden;padding:10px 12px;display:flex;flex-direction:column;gap:6px}.song-card{display:flex;align-items:center;gap:14px;padding:10px 12px;border-radius:12px;cursor:pointer;background:transparent;border:1px solid transparent;position:relative;transition:all .2s cubic-bezier(.4,0,.2,1)}.song-card:before{content:"";position:absolute;left:0;top:15%;bottom:15%;width:3px;border-radius:0 4px 4px 0;background:var(--accent-flame);opacity:0;transition:opacity .2s ease}.song-card:hover{background:#ffffff0a}.song-card.active{background:#ff4d0014;border-color:#ff4d003d}.song-card.active:before{opacity:1}.song-card-num{font-size:11px;font-family:var(--font-mono);color:var(--theater-text-dim);width:18px;text-align:right;flex-shrink:0}.song-card-art{width:46px;height:46px;border-radius:8px;object-fit:cover;flex-shrink:0;box-shadow:0 4px 12px #00000080;background:#151822}.song-card-info{flex:1;min-width:0}.song-card-title{font-size:13.5px;font-weight:700;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px;letter-spacing:-.2px}.song-card.active .song-card-title{color:#ff8a65}.song-card-artist{font-size:11.5px;color:var(--theater-text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.badge{font-size:9.5px;font-weight:700;padding:2px 6px;border-radius:5px;letter-spacing:.3px;text-transform:uppercase;flex-shrink:0}.badge-trans{background:#00d2ff1f;color:var(--accent-cyan);border:1px solid rgba(0,210,255,.24)}.badge-dialect{background:#f59e0b1f;color:var(--accent-amber);border:1px solid rgba(245,158,11,.24)}.empty-search-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:220px;text-align:center;color:var(--theater-text-muted);padding:20px}.empty-search-icon{font-size:32px;margin-bottom:10px;opacity:.4}.theater-stage{flex:1;height:100%;display:flex;flex-direction:column;position:relative;padding:24px 32px 20px;gap:16px;overflow:hidden}.theater-header{display:flex;align-items:center;justify-content:space-between;flex-shrink:0;height:52px}.active-track-hero{display:flex;align-items:center;gap:16px}.active-artwork-hero{width:50px;height:50px;border-radius:10px;object-fit:cover;box-shadow:0 4px 16px #0009;border:1px solid rgba(255,255,255,.1)}.active-hero-text h1{font-size:20px;font-weight:800;color:#fff;letter-spacing:-.4px;display:flex;align-items:center;gap:10px}.active-hero-text p{font-size:13px;color:var(--theater-text-muted);font-weight:500}.video-stage-wrapper{flex:1;min-height:0;position:relative;display:flex;align-items:center;justify-content:center;width:100%}.backlight-canvas-container{position:absolute;top:-5%;left:-5%;width:110%;height:110%;z-index:1;pointer-events:none}.video-frame-container{position:relative;z-index:2;width:100%;height:100%;max-width:100%;max-height:100%;display:flex;align-items:center;justify-content:center;border-radius:16px;overflow:hidden;box-shadow:0 0 0 1px #ffffff17,0 20px 60px -10px #000000d9;background:#000}#theater-video{width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain;background:#000;cursor:pointer}.center-play-overlay{position:absolute;z-index:5;width:76px;height:76px;border-radius:50%;background:#12141ccc;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.18);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);box-shadow:0 8px 32px #0009}.center-play-overlay:hover{transform:scale(1.1);background:var(--accent-flame);border-color:var(--accent-flame);box-shadow:0 8px 32px var(--accent-flame-dim)}.center-play-overlay svg{margin-left:4px}.center-play-overlay.hidden{opacity:0;pointer-events:none;transform:scale(.85)}.lyrics-stage-container{flex-shrink:0;min-height:140px;width:100%;display:flex;flex-direction:column;justify-content:space-around;font-family:var(--font-lyrics);color:#fff;text-shadow:0 2px 12px rgba(0,0,0,.95),0 0 30px rgba(0,0,0,.8);opacity:0;transition:opacity .35s ease;padding:12px 32px 16px;box-sizing:border-box;overflow:visible;z-index:4}.k-line{width:100%;min-height:54px;display:flex;flex-wrap:wrap;align-items:baseline;row-gap:6px;font-size:clamp(20px,2.1vw,29px);font-weight:700;letter-spacing:-.01em;padding-top:18px;padding-bottom:6px;overflow:visible;transition:opacity .25s ease,transform .25s ease}.k-line.k-line-dense{font-size:clamp(16px,1.7vw,23px);row-gap:4px;padding-top:15px}.k-line-top{justify-content:flex-start;text-align:left;padding-left:3%;padding-right:3%}.k-line-bottom{justify-content:flex-end;text-align:right;padding-left:3%;padding-right:3%}.k-line-idle{opacity:.45;transform:scale(.99)}.k-line-active{opacity:1;transform:scale(1)}.k-line-translation{font-size:13.5px;font-family:var(--font-sans);font-weight:500;opacity:.72;margin-left:14px;margin-right:14px;color:#ffffffe6;text-shadow:0 1px 4px rgba(0,0,0,.9);align-self:flex-end;white-space:normal;line-height:1.35}.word-wrapper{position:relative;display:inline-block;vertical-align:baseline}.word-base{color:#ffffff61;user-select:none}.word-highlight{position:absolute;top:0;left:0;width:100%;height:100%;color:var(--accent-flame);text-shadow:0 0 8px rgba(255,77,0,.9),0 0 24px rgba(255,122,69,.5);pointer-events:none;user-select:none;clip-path:inset(-30px calc(100% - var(--wipe-progress, 0%)) -15px 0);will-change:clip-path}.yomitan-ruby{position:relative;display:inline-block}.yomitan-ruby:before{content:attr(data-furi);position:absolute;bottom:calc(100% + 2px);left:50%;transform:translate(-50%);font-size:.48em;line-height:1;font-weight:600;white-space:nowrap;pointer-events:none;user-select:none;color:inherit;opacity:.92}.transport-deck-theater{flex-shrink:0;height:56px;background:#10131cbf;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid var(--theater-border);border-radius:14px;display:flex;align-items:center;padding:0 20px;gap:16px;z-index:10;box-shadow:0 8px 32px #0006}.deck-play-btn{width:36px;height:36px;border-radius:50%;background:var(--accent-flame);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 2px 12px var(--accent-flame-dim);transition:all .2s cubic-bezier(.4,0,.2,1);flex-shrink:0}.deck-play-btn:hover{background:var(--accent-flame-hover);transform:scale(1.08)}.timecode-label{font-size:12px;font-family:var(--font-mono);color:var(--theater-text-muted);white-space:nowrap;min-width:86px}.progress-scrubber{flex:1;height:5px;border-radius:3px;cursor:pointer;accent-color:var(--accent-flame);background:#ffffff1a;transition:height .15s ease}.progress-scrubber:hover{height:7px}.volume-deck-group{display:flex;align-items:center;gap:8px}.volume-slider{width:72px;height:4px;border-radius:2px;accent-color:var(--accent-flame);background:#ffffff1a;cursor:pointer}.deck-icon-btn{color:var(--theater-text-muted);display:flex;align-items:center;gap:6px;padding:8px;border-radius:8px;transition:all .2s ease;font-size:12px}.deck-icon-btn:hover{color:#fff;background:#ffffff14}.deck-icon-btn.active{color:var(--accent-flame)}:fullscreen .video-stage-wrapper{padding:0}:fullscreen #theater-video{border-radius:0}:fullscreen .lyrics-stage-container{position:absolute;bottom:80px;left:0;width:100%;z-index:100}@media(max-width:960px){.theater-app{flex-direction:column}.theater-sidebar{width:100%;min-width:100%;height:280px;border-right:none;border-bottom:1px solid var(--theater-border)}.lyrics-stage-container{min-height:100px}.k-line{font-size:24px}}