:root{--bg: #0f1115;--panel: #171a21;--border: #2a2e38;--text: #e8e9ec;--text-secondary: #a3a8b5;--text-muted: #6b7080;--accent: #c9a24b;--accent-hover: #dab35c;--danger: #e5484d;--ready: #2e7d32;--failed: #c62828;--pending: #8a6d00}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,sans-serif}.app-shell{max-width:900px;margin:0 auto;padding:24px 16px 64px}.topbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:24px}.topbar h1{font-size:22px;margin:0;color:var(--accent)}nav{display:flex;gap:8px}.nav-btn{background:transparent;border:1px solid var(--border);color:var(--text-secondary);padding:8px 14px;border-radius:6px;cursor:pointer}.nav-btn.active{border-color:var(--accent);color:var(--accent)}.panel{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:20px}.panel h2{margin-top:0;font-size:17px}.muted{color:var(--text-secondary)}.muted.small{font-size:12px}.form{display:flex;flex-direction:column;gap:14px;margin-top:12px}.form label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-secondary)}input,textarea,select{background:#10131a;border:1px solid var(--border);color:var(--text);padding:9px 10px;border-radius:6px;font-family:inherit;font-size:14px}textarea{resize:vertical}.char-count{font-size:11px;color:var(--text-muted);align-self:flex-end}.char-count.over{color:var(--danger)}button{background:var(--accent);color:#1a1408;border:none;padding:10px 16px;border-radius:6px;font-weight:600;cursor:pointer;align-self:flex-start}button:hover{background:var(--accent-hover)}button:disabled{opacity:.6;cursor:not-allowed}.link-btn{background:transparent;color:var(--accent);padding:4px 0;font-weight:500;align-self:flex-start}.link-btn:hover{background:transparent;text-decoration:underline}.error{color:var(--danger);font-size:13px;margin-top:8px}.error.small{font-size:12px}.card-grid,.generation-list{display:flex;flex-direction:column;gap:14px;margin-top:12px}.card{background:#10131a;border:1px solid var(--border);border-radius:8px;padding:14px;display:flex;flex-direction:column;gap:8px}.card-title{font-weight:600;font-size:15px}.badge{display:inline-block;align-self:flex-start;font-size:11px;padding:2px 8px;border-radius:999px;text-transform:uppercase;letter-spacing:.04em}.badge-ready{background:#2e7d3233;color:#66bb6a}.badge-failed{background:#c6282833;color:#ef5350}.badge-queued,.badge-creating,.badge-generating{background:#8a6d0033;color:#d4b106}.badge-deleted{background:#6b708033;color:var(--text-muted)}audio{width:100%}.lyrics-preview{white-space:pre-wrap;font-size:13px;color:var(--text-secondary);background:#0b0d12;padding:8px;border-radius:6px;max-height:200px;overflow-y:auto}details summary{cursor:pointer;font-size:13px;color:var(--accent)}.variant-list{display:flex;flex-direction:column;gap:10px}.variant{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--text-secondary)}.feedback-box{display:flex;flex-direction:column;gap:8px;margin-top:6px}.row{display:flex;gap:10px;align-items:center}