.panel{background:var(--surface);border-right:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column}.panel::-webkit-scrollbar{width:4px}.panel::-webkit-scrollbar-track{background:transparent}.panel::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px}.section{border-bottom:1px solid var(--border);padding:20px}.section-title{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;font-weight:500;color:var(--muted);text-transform:uppercase;margin-bottom:14px}.text-input{width:100%;background:var(--surface2);border:1px solid var(--border);border-radius:var(--r-md);color:var(--text);font-family:var(--font-sans);font-size:14px;font-weight:300;padding:12px 14px;resize:none;outline:none;line-height:1.6;transition:border-color .15s ease}.text-input:focus{border-color:var(--border2)}.text-input::placeholder{color:var(--muted)}.preset-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}.preset-btn{padding:8px 10px;border-radius:var(--r-md);border:1px solid var(--border);background:var(--surface2);color:var(--muted);font-size:12px;font-family:var(--font-sans);cursor:pointer;text-align:left;transition:border-color .15s ease,color .15s ease,background-color .15s ease,transform .1s ease;line-height:1.3}.preset-btn:hover{border-color:var(--border2);color:var(--text)}.preset-btn.active{border-color:var(--accent);color:var(--accent);background:var(--accent-bg)}.preset-name{font-weight:500;font-size:11px;letter-spacing:.02em}.preset-sub{font-size:11px;letter-spacing:.02em;font-weight:500;opacity:.6;margin-top:2px}.unit-toggle{display:flex;gap:5px}.unit-btn{flex:1;padding:7px;border-radius:var(--r-md);border:1px solid var(--border);background:var(--surface2);color:var(--muted);font-size:12px;cursor:pointer;text-align:center;transition:border-color .15s ease,color .15s ease,background-color .15s ease,transform .1s ease}.unit-btn:hover{color:var(--text)}.unit-btn.active{border-color:var(--accent);color:var(--accent);background:var(--accent-bg)}.slider-row{margin-bottom:16px}.slider-row:last-child{margin-bottom:0}.slider-meta{display:flex;justify-content:space-between;margin-bottom:8px}.slider-name{font-size:12px;color:var(--text)}.slider-val{font-family:var(--font-mono);font-size:11px;letter-spacing:.02em;font-weight:500;font-variant-numeric:tabular-nums;color:var(--accent);background:var(--accent-bg);padding:1px 6px;border-radius:4px}input[type=range]{-webkit-appearance:none;width:100%;height:3px;border-radius:2px;background:var(--track);outline:none;cursor:pointer}input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(to right,var(--accent) 0%,var(--accent) var(--pct, 0%),var(--track) var(--pct, 0%));border-radius:2px;height:3px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--thumb);cursor:pointer;transition:transform .1s ease;margin-top:-5px}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2)}.toggle-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.toggle-row:last-child{margin-bottom:0}.toggle-label{font-size:13px;color:var(--text)}.toggle-sub{font-size:11px;letter-spacing:.02em;font-weight:500;color:var(--muted);margin-top:1px}.switch{position:relative;width:36px;height:20px;flex-shrink:0}.switch input{opacity:0;width:0;height:0}.slider-sw{position:absolute;inset:0;background:var(--surface2);border:1px solid var(--border2);border-radius:var(--r-pill);cursor:pointer;transition:background-color .2s ease,border-color .2s ease}.slider-sw:before{content:"";position:absolute;width:14px;height:14px;left:2px;top:2px;border-radius:50%;background:var(--muted);transition:transform .2s ease,background-color .2s ease}.switch input:checked+.slider-sw{background:#c8ff6426;border-color:var(--accent)}.switch input:checked+.slider-sw:before{transform:translate(16px);background:var(--accent)}.easing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:5px}.ease-btn{padding:7px 4px;border-radius:var(--r-sm);border:1px solid var(--border);background:var(--surface2);color:var(--muted);font-size:11px;letter-spacing:.02em;font-weight:500;font-family:var(--font-mono);cursor:pointer;text-align:center;transition:border-color .15s ease,color .15s ease,background-color .15s ease,transform .1s ease}.ease-btn:hover{color:var(--text);border-color:var(--border2)}.ease-btn.active{border-color:var(--accent);color:var(--accent);background:var(--accent-bg)}.ease-preview{height:22px;margin-bottom:4px}.ease-preview svg{width:100%;height:100%}.font-row{display:flex;gap:6px}.font-btn{flex:1;padding:6px;border-radius:var(--r-sm);border:1px solid var(--border);background:var(--surface2);color:var(--muted);font-size:11px;letter-spacing:.02em;font-weight:500;cursor:pointer;text-align:center;transition:border-color .15s ease,color .15s ease,transform .1s ease}.font-btn:hover{color:var(--text)}.font-btn.active{border-color:var(--border2);color:var(--text)}.panel-spacer{height:24px}.preview{background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden;transition:background .3s ease}.preview-ambient{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 60%,rgba(200,255,100,.03) 0%,transparent 65%);pointer-events:none}.preview-stage{position:relative;z-index:1;width:80%;max-width:720px;text-align:center;min-height:120px;display:flex;flex-direction:column;align-items:center;justify-content:center}.preview-text{font-family:var(--font-display);font-size:clamp(22px,3.2vw,42px);font-weight:700;color:#fff;line-height:1.25;letter-spacing:-.01em;display:flex;flex-wrap:wrap;gap:.25em .22em;justify-content:center;align-items:flex-end}.kt-word,.kt-char{display:inline-block;opacity:0;will-change:transform,opacity}.preview-theme-bar{position:absolute;top:18px;right:20px;display:flex;gap:10px;z-index:2}.theme-tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.02em;font-weight:500;color:var(--muted);cursor:pointer;transition:color .15s ease;user-select:none}.theme-tag:hover{color:var(--text)}.theme-tag.active{color:var(--accent)}.timeline-bar{position:absolute;bottom:80px;left:50%;transform:translate(-50%);width:200px;height:2px;background:var(--track);border-radius:1px;z-index:2;overflow:hidden}.timeline-fill{height:100%;background:var(--accent);border-radius:1px;width:0%;transition:width .05s linear}.preview-controls{position:absolute;bottom:24px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:10px;z-index:2}.play-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--border2);background:#ffffff0d;color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .15s ease,border-color .15s ease,color .15s ease,transform .1s ease;backdrop-filter:blur(8px)}.play-btn:hover{background:#c8ff641a;border-color:var(--accent);color:var(--accent)}.duration-tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.02em;font-weight:500;font-variant-numeric:tabular-nums;color:var(--muted);background:#0006;border:1px solid var(--border);padding:4px 10px;border-radius:var(--r-pill);backdrop-filter:blur(8px)}.app-shell[data-astro-cid-qtdh6zdz]{display:grid;grid-template-columns:300px 1fr;grid-template-rows:48px 1fr;grid-template-areas:"header header" "panel  preview";height:100dvh;overflow:hidden}.app-header[data-astro-cid-qtdh6zdz]{grid-area:header;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--border);background:var(--surface);z-index:100}.logo[data-astro-cid-qtdh6zdz]{font-family:var(--font-mono);font-weight:700;font-size:13px;letter-spacing:.06em;color:var(--text);display:flex;align-items:center;gap:8px;text-decoration:none}.logo-dot[data-astro-cid-qtdh6zdz]{width:7px;height:7px;border-radius:50%;background:var(--accent)}.logo-badge[data-astro-cid-qtdh6zdz]{font-family:var(--font-mono);font-size:9px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);background:var(--accent-bg);padding:2px 6px;border-radius:4px;border:1px solid rgba(200,255,100,.2)}.header-actions[data-astro-cid-qtdh6zdz]{display:flex;gap:8px;align-items:center}.btn[data-astro-cid-qtdh6zdz]{font-family:var(--font-mono);font-size:11px;padding:6px 12px;border-radius:var(--r-sm);border:1px solid var(--border2);background:transparent;color:var(--muted);cursor:pointer;transition:color .15s,border-color .15s,background .15s,width .2s;letter-spacing:.04em;display:flex;align-items:center;gap:6px}.btn[data-astro-cid-qtdh6zdz]:hover{color:var(--text);border-color:#fff3}.button-group[data-astro-cid-qtdh6zdz]{display:inline-flex;align-items:center;border:1px solid var(--border2);border-radius:var(--r-sm);background:transparent;overflow:hidden}.button-group[data-astro-cid-qtdh6zdz] .btn[data-astro-cid-qtdh6zdz]{border:none;border-radius:0;margin:0;background:transparent}.button-group[data-astro-cid-qtdh6zdz] .btn[data-astro-cid-qtdh6zdz]:hover{background:#ffffff0d}.button-group-separator[data-astro-cid-qtdh6zdz]{width:1px;height:16px;background-color:var(--border2)}.btn-primary[data-astro-cid-qtdh6zdz]{background:var(--accent);color:#0a0a0b;border-color:var(--accent);font-weight:600}.btn-primary[data-astro-cid-qtdh6zdz]:hover{background:#d4ff7a;border-color:#d4ff7a;color:#0a0a0b}.panel{grid-area:panel}.preview{grid-area:preview}