*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-deep: #0e0e10;--bg-surface: #1a1a1d;--bg-panel: #222226;--bg-control: #2c2c31;--border: #3a3a40;--text-primary: #e8e8ec;--text-muted: #777780;--accent: #5b9cf6;--accent-dim: #2a4a7a;--mute-on: #d05050;--solo-on: #d4a020;--waveform: #3a7adf;--playhead: #ffffff;--font: "Inter", "Segoe UI", system-ui, sans-serif;--mono: "JetBrains Mono", "Fira Code", "Consolas", monospace}html,body{height:100%;background:var(--bg-deep);color:var(--text-primary);font-family:var(--font);font-size:13px;-webkit-text-size-adjust:100%;text-size-adjust:100%}button{cursor:pointer;border:1px solid var(--border);border-radius:3px;background:var(--bg-control);color:var(--text-primary);font-family:var(--font);font-size:11px;font-weight:600;letter-spacing:.06em;padding:4px 8px;transition:background .1s,border-color .1s;line-height:1}button:hover{background:#36363c;border-color:#55555c}button:active{background:#44444a}button.active-mute{background:var(--mute-on);border-color:var(--mute-on);color:#fff}button.active-solo{background:var(--solo-on);border-color:var(--solo-on);color:#111}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;cursor:pointer}input[type=range]::-webkit-slider-runnable-track{background:var(--bg-control);border:1px solid var(--border);border-radius:2px;height:4px}input[type=range]::-moz-range-track{background:var(--bg-control);border:1px solid var(--border);border-radius:2px;height:4px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;border-radius:50%;background:var(--accent);margin-top:-4px}input[type=range]::-moz-range-thumb{width:12px;height:12px;border:none;border-radius:50%;background:var(--accent)}input[type=range]:focus{outline:none}input[type=range]:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 3px var(--accent-dim)}input[type=text],input[type=email],input[type=password],input[type=number],select,textarea{background:var(--bg-control);border:1px solid var(--border);border-radius:3px;color:var(--text-primary);font-family:var(--font);font-size:13px;padding:6px 10px;width:100%;outline:none;transition:border-color .1s}input[type=text]:focus,input[type=email]:focus,input[type=password]:focus,input[type=number]:focus,select:focus,textarea:focus{border-color:var(--accent)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.page{min-height:100vh;padding:24px;max-width:960px;margin:0 auto}.page-header{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:28px;padding-bottom:16px;border-bottom:1px solid var(--border)}.page-title{font-size:20px;font-weight:700;color:var(--text-primary)}.section{margin-bottom:32px}.section-title{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:12px}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:6px;padding:14px 16px}.card+.card{margin-top:8px}.card-row{display:flex;align-items:center;gap:12px}.nav{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:48px;background:var(--bg-surface);border-bottom:1px solid var(--border);flex-shrink:0}.nav-brand{font-size:16px;font-weight:800;letter-spacing:.05em;color:var(--accent);text-decoration:none}.nav-brand:hover{text-decoration:none}.nav-right{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-muted)}.form-row{display:flex;gap:8px;align-items:flex-end}.form-group{display:flex;flex-direction:column;gap:4px}.form-group label{font-size:11px;color:var(--text-muted);font-weight:600;letter-spacing:.05em}.error-msg{color:var(--mute-on);font-size:12px;margin-top:6px}.grid-2{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:10px}.player-root{height:100dvh;display:flex;flex-direction:column;overflow:hidden;-webkit-user-select:none;user-select:none}