:root{--bg: #0f1012;--panel: #1a1b1e;--text: #e0e0e0;--text-dim: #888;--accent: #9EF3B5;--danger: #DE1B34;--warning: #F3A953;--knob-bg: #252629;--success: #4CAF50}*{box-sizing:border-box;outline:none}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,sans-serif;margin:0;padding:20px;display:flex;flex-direction:column;align-items:center;min-height:100vh}.container{max-width:1000px;width:100%}h2{text-align:center;margin:0 0 15px;font-weight:500;letter-spacing:.5px}.viz-wrapper{position:relative;width:100%;height:280px;background:var(--panel);border-radius:12px;margin-bottom:12px;overflow:hidden;border:1px solid #333}canvas{width:100%;height:100%;display:block}.viz-legend{position:absolute;top:10px;left:10px;font-size:12px;color:var(--text-dim);background:#0009;padding:6px 10px;border-radius:6px}.start-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:none;align-items:center;justify-content:center;background:#0f1012d9;z-index:10;cursor:pointer}.start-overlay.hidden{display:none}.start-btn{padding:12px 28px;background:var(--accent);color:#111;border:none;border-radius:8px;font-weight:600;font-size:16px;cursor:pointer}.vu-wrapper{display:flex;align-items:center;gap:12px;padding:10px 12px;background:var(--panel);border-radius:10px;border:1px solid #2a2a2a;margin-bottom:15px}.vu-label{font-size:12px;color:var(--text-dim);min-width:80px}.vu-bar{flex:1;height:12px;background:#222;border-radius:6px;overflow:hidden;position:relative;box-shadow:inset 0 1px 4px #0009}.vu-fill{height:100%;width:0%;border-radius:6px;background:linear-gradient(90deg,var(--accent) 70%,var(--warning) 88%,var(--danger) 100%);transition:width .06s linear}.vu-peak{position:absolute;top:0;height:100%;width:2px;background:#fff;right:0;box-shadow:0 0 5px #ffffffe6;transition:right .3s cubic-bezier(.2,.8,.2,1)}.controls{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-bottom:20px}.card{background:var(--panel);padding:15px;border-radius:10px;border:1px solid #2a2a2a}.card h3{margin:0 0 10px;font-size:14px;color:var(--text-dim);font-weight:400}input[type=range]{width:100%;height:5px;-webkit-appearance:none;background:#333;border-radius:3px;margin:6px 0}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;background:var(--accent);border-radius:50%;cursor:pointer}.row{display:flex;gap:10px;margin-bottom:8px}.col{flex:1}.label{font-size:11px;color:var(--text-dim);display:flex;justify-content:space-between}.val{color:var(--accent);font-weight:500}.actions{text-align:center;margin-bottom:20px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.btn{padding:8px 14px;border:1px solid #444;background:var(--knob-bg);color:var(--text);border-radius:6px;cursor:pointer;margin:0 4px;font-size:13px;transition:.2s;display:inline-flex;align-items:center;gap:6px}.btn:hover{background:#333}.btn.primary{background:var(--accent);color:#111;border:none;font-weight:500}.btn.danger{background:var(--danger);color:#fff;border:none}.btn.success{background:var(--success);color:#fff;border:none}.btn:disabled{opacity:.5;cursor:not-allowed}select{width:auto;min-width:140px;padding:7px;background:#252629;color:#fff;border:1px solid #444;border-radius:6px;cursor:pointer}.toggle{display:flex;align-items:center;gap:8px;margin-bottom:8px}.toggle input{display:none}.toggle-label{width:36px;height:20px;background:#444;border-radius:10px;position:relative;cursor:pointer;transition:.2s}.toggle-label:after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;background:#fff;border-radius:50%;transition:.2s}.toggle input:checked+.toggle-label{background:var(--accent)}.toggle input:checked+.toggle-label:after{transform:translate(16px)}.status{text-align:center;font-size:13px;color:var(--text-dim);min-height:20px;margin:10px 0 5px;padding:8px;background:#ffffff08;border-radius:8px;transition:all .2s}.status:empty{display:none}.service-desc{text-align:center;font-size:14px;color:var(--text-dim);line-height:1.5;margin:5px 0 15px;padding:14px;background:#ffffff05;border:1px dashed #333;border-radius:8px;transition:opacity .3s ease,max-height .4s ease,margin .4s ease,padding .4s ease;max-height:200px;overflow:hidden}.service-desc.hidden{opacity:0;max-height:0;margin:0;padding:0;pointer-events:none}.player-bar{display:none;align-items:center;gap:12px;padding:12px;background:var(--panel);border-radius:10px;border:1px solid #2a2a2a;margin-bottom:15px}.player-bar.active{display:flex}.player-bar .play-btn{width:42px;height:42px;padding:0;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.player-bar .time-display{font-size:12px;color:var(--text-dim);min-width:36px;text-align:center;font-variant-numeric:tabular-nums}.player-bar input[type=range]{margin:0 8px;height:6px;flex:1}.player-bar input[type=range]::-webkit-slider-thumb{width:16px;height:16px}.download-section{padding:12px;background:#9ef3b51a;border-radius:8px;border:1px solid var(--accent);display:none}.download-section.visible{display:block}.download-section a{color:var(--accent);text-decoration:none;font-weight:500}.download-section a:hover{text-decoration:underline}.center-badge{display:inline-block;padding:2px 8px;background:#9ef3b526;color:var(--accent);border-radius:4px;font-size:10px;margin-left:6px;vertical-align:middle}.lang-selector{position:absolute;top:10px;right:10px;z-index:20}[dir=rtl] .viz-legend{left:auto;right:10px}[dir=rtl] .lang-selector{right:auto;left:10px}[dir=rtl] .vu-label{text-align:right}[dir=rtl] .label{flex-direction:row-reverse}[dir=rtl] .center-badge{margin-left:0;margin-right:6px}