:root{color-scheme:dark;--bg: #0a0c14;--panel: #12151f;--panel2: #171b28;--line: rgba(255, 255, 255, .08);--text: #e8ebf5;--muted: #9aa3bd;--accent: #7c8cff;--accent2: #b46cff;--focus: #9fb0ff}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,PingFang SC,Microsoft YaHei,sans-serif}#app{height:100vh;display:flex;flex-direction:column;overflow:hidden}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 22px;border-bottom:1px solid var(--line);background:var(--panel);flex-wrap:wrap}.brand{display:flex;align-items:center;gap:12px}.logo{font-size:30px;color:var(--accent)}.brand h1{font-size:18px;margin:0}.brand p{margin:2px 0 0;font-size:12px;color:var(--muted)}.top-actions{display:flex;align-items:center;gap:12px}.seg{display:inline-flex;align-self:flex-start;border:1px solid var(--line);border-radius:8px;overflow:hidden}.seg button{background:transparent;color:var(--muted);border:0;padding:8px 14px;cursor:pointer;font-size:13px}.seg button.active{background:var(--accent);color:#fff}.btn{background:var(--panel2);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:9px 16px;cursor:pointer;font-size:14px}.btn:hover{border-color:var(--accent)}.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));border:0;color:#fff;font-weight:600}.btn.primary:disabled{opacity:.4;cursor:not-allowed}.btn.icon{width:40px;text-align:center;padding:8px 0}.btn.wide{width:100%;padding:12px 16px;font-size:15px}.btn.ghost{background:transparent;border-color:#ffffff2e;color:var(--text)}.btn.ghost[aria-disabled=true]{opacity:.65;cursor:default}.btn.ghost[aria-disabled=true]:hover{border-color:#ffffff2e}.layout{display:grid;grid-template-columns:184px 372px minmax(0,1fr);gap:16px;padding:16px 20px;flex:1;min-height:0}.steps{display:flex;flex-direction:column;gap:8px;min-height:0;overflow-y:auto;align-self:stretch}.step{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--muted);text-align:left;cursor:pointer;transition:border-color .15s,background .15s,color .15s}.step:hover{border-color:var(--accent);color:var(--text)}.step.active{background:var(--panel2);border-color:var(--accent);color:var(--text)}.step-num{flex:none;display:grid;place-items:center;width:24px;height:24px;border:1px solid var(--line);border-radius:50%;font-size:12px;font-variant-numeric:tabular-nums}.step.active .step-num{background:linear-gradient(135deg,var(--accent),var(--accent2));border-color:transparent;color:#fff}.step.done .step-num{background:#6fd0a02e;border-color:#6fd0a08c;color:#6fd0a0}.step-text{display:flex;flex-direction:column;line-height:1.3;min-width:0}.step-text b{font-size:13px;font-weight:600}.step-text em{font-style:normal;font-size:11px;color:var(--muted)}.settings{align-self:stretch;min-height:0;overflow-y:auto}.step-panel{display:flex;flex-direction:column;gap:10px;flex:1 1 auto}.step-panel[hidden]{display:none}.stage{display:flex;flex-direction:column;gap:12px;min-width:0;min-height:0}.canvas-wrap{background:#000;border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;padding:12px;min-height:280px;flex:1;overflow:hidden}canvas{display:block;border-radius:6px}@media(max-width:1180px){#app{height:auto;min-height:100vh;overflow:visible}.layout{grid-template-columns:1fr;padding:12px 14px;align-content:start}.steps{flex-direction:row;overflow-x:auto;padding-bottom:2px}.step{width:auto;flex:none}.step-text em{display:none}.settings{order:2;max-height:none}.stage{order:1;min-height:0}.canvas-wrap{flex:none;height:auto;min-height:0;aspect-ratio:var(--stage-ar, 16 / 9);max-height:min(72vh,620px)}}@media(max-width:560px){.brand p{display:none}.steps{gap:6px}.step{gap:6px;padding:6px 8px}.step-num{width:16px;height:16px;font-size:10px}.step-text b{font-size:12px}}.transport{display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 14px}.seek{flex:1;height:6px;margin:0;border-radius:3px;cursor:pointer;-moz-appearance:none;appearance:none;-webkit-appearance:none;background:linear-gradient(90deg,var(--accent),var(--accent2)) 0 / var(--seek-progress, 0%) 100% no-repeat,#ffffff1f}.seek::-webkit-slider-runnable-track{height:6px;border-radius:3px;background:transparent}.seek::-moz-range-track{height:6px;border-radius:3px;background:transparent}.seek::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;border:0;border-radius:50%;background:#fff;box-shadow:0 0 0 4px #7c8cff38}.seek::-moz-range-thumb{width:12px;height:12px;border:0;border-radius:50%;background:#fff;box-shadow:0 0 0 4px #7c8cff38}.range-field{display:flex;flex-direction:column;gap:6px}.range-field[hidden]{display:none}.range-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.range-val{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.range{width:100%;height:6px;margin:0;border-radius:3px;cursor:pointer;-moz-appearance:none;appearance:none;-webkit-appearance:none;background:linear-gradient(90deg,var(--accent),var(--accent2)) 0 / var(--range-progress, 0%) 100% no-repeat,#ffffff1f}.range::-webkit-slider-runnable-track{height:6px;border-radius:3px;background:transparent}.range::-moz-range-track{height:6px;border-radius:3px;background:transparent}.range::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;border:0;border-radius:50%;background:#fff;box-shadow:0 0 0 4px #7c8cff38}.range::-moz-range-thumb{width:12px;height:12px;border:0;border-radius:50%;background:#fff;box-shadow:0 0 0 4px #7c8cff38}.time{font-variant-numeric:tabular-nums;font-size:13px;color:var(--muted);min-width:96px;text-align:right}.export-bar[hidden]{display:none}.export-bar{display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--accent);border-radius:10px;padding:10px 14px;font-size:13px}.export-track{flex:1;height:8px;background:#ffffff1f;border-radius:4px;overflow:hidden}.export-fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .25s linear}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:10px}.panel h2{font-size:13px;margin:8px 0 2px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.drop{position:relative;display:block;border:1.5px dashed var(--line);border-radius:10px;padding:16px;text-align:center;cursor:pointer;font-size:14px;color:var(--text);transition:border-color .15s}.drop em{font-style:normal;font-size:12px;color:var(--muted)}.drop:hover,.drop.over{border-color:var(--accent)}.drop.small{padding:10px;font-size:13px}.hint{margin:0;font-size:12px;color:var(--muted)}.hint.privacy{color:#6fd0a0}.text{background:var(--panel2);border:1px solid var(--line);border-radius:8px;color:var(--text);padding:10px 12px;font-size:14px;width:100%}.text:focus{outline:none;border-color:var(--accent)}.font-picker{position:relative}.font-trigger{width:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 10px;background:var(--panel2);border:1px solid var(--line);border-radius:8px;color:var(--text);font-size:13.5px;text-align:left;cursor:pointer}.font-trigger:hover{border-color:var(--accent)}.font-trigger-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.font-trigger-chev{flex:none;color:var(--muted);font-size:11px}.font-pop{display:flex;flex-direction:column;gap:8px;margin-top:6px;padding:8px;background:var(--panel2);border:1px solid var(--line);border-radius:10px}.font-pop[hidden]{display:none}.font-search{width:100%;padding:7px 9px;background:#ffffff0a;border:1px solid var(--line);border-radius:6px;color:var(--text);font-size:13px}.font-search:focus{outline:none;border-color:var(--accent)}.font-chips{display:flex;flex-wrap:wrap;gap:4px}.chip{padding:3px 9px;background:transparent;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:11.5px;cursor:pointer}.chip:hover{color:var(--text);border-color:var(--accent)}.chip.active{background:#7c8cff29;border-color:var(--accent);color:var(--text)}.font-list{display:flex;flex-direction:column;gap:2px;max-height:260px;overflow-y:auto}.font-opt{display:flex;flex-direction:column;gap:1px;padding:6px 8px;background:transparent;border:1px solid transparent;border-radius:6px;color:var(--text);text-align:left;cursor:pointer}.font-opt:hover{background:#ffffff0d}.font-opt.active{border-color:var(--accent);background:#7c8cff1f}.font-opt-name{font-size:13px}.font-opt-meta{font-size:11px;color:var(--muted)}.font-empty{margin:6px 2px;font-size:12px;color:var(--muted)}.text:focus-visible,.font-trigger:focus-visible,.font-search:focus-visible,.font-opt:focus-visible,.chip:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.lyric-box{resize:vertical;flex:1 1 auto;min-height:120px;font-family:inherit;line-height:1.5}.tpl-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.tpl-card{background:var(--panel2);border:2px solid var(--line);border-radius:10px;padding:6px;cursor:pointer;display:flex;flex-direction:column;gap:4px;color:var(--text)}.tpl-card canvas{width:100%;height:auto;border-radius:6px}.tpl-card.active{border-color:var(--accent)}.tpl-name{font-size:11.5px;color:var(--muted);text-align:center}.tpl-card.active .tpl-name{color:var(--text)}.skip-link{position:absolute;left:8px;top:-48px;z-index:10;padding:8px 14px;border-radius:8px;background:var(--accent);color:#fff;font-size:13px;text-decoration:none;transition:top .15s}.skip-link:focus-visible{top:8px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}.btn:focus-visible,.seg button:focus-visible,.tpl-card:focus-visible,.seek:focus-visible,.range:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.drop:focus-within{outline:2px solid var(--focus);outline-offset:2px;border-color:var(--accent)}.field-label{font-size:12px;color:var(--muted);margin-bottom:-4px}.btn,.seg button,.tpl-card,.drop,.seek,.font-trigger,.chip,.font-opt{touch-action:manipulation;-webkit-tap-highlight-color:transparent}#audioName,#coverName,#lyricName,.hint{overflow-wrap:anywhere}.text::placeholder{color:#828da8;opacity:1}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}