:root{--bg: #0a0a0a;--bg-elevated: #141414;--bg-card: #1a1a1a;--border: #2a2a2a;--border-strong: #3a3a3a;--text: #f5f1e8;--text-muted: #8a8478;--text-dim: #5a5448;--accent: #d4ff3a;--accent-dim: #8aa824;--warm: #ff7849;--cool: #4a9eff;--danger: #ff4a4a;--font-display: "Fraunces", Georgia, serif;--font-mono: "DM Mono", "SF Mono", Menlo, monospace}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-family:var(--font-mono);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;overscroll-behavior:none}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit}input{font-family:inherit;font-size:inherit;color:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}.app{min-height:100vh;max-width:480px;margin:0 auto;padding:24px 20px 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14px;font-family:var(--font-mono);font-size:14px;color:var(--text);outline:none;transition:border-color .15s}.auth__input:focus{border-color:var(--accent-dim)}.auth__input-group{display:flex;flex-direction:column;gap:6px}.auth__input-label{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--text-dim)}.auth__input-help{font-size:11px;color:var(--text-dim);margin-top:2px}.status-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.status-cell{background:var(--bg-card);border:1px solid 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var(--border);border-radius:4px;display:flex;flex-direction:column;gap:16px}.coverage--ok{border-color:var(--accent-dim);background:linear-gradient(180deg,rgba(212,255,58,.06),transparent)}.coverage--warn{border-color:var(--warm);background:linear-gradient(180deg,rgba(255,120,73,.06),transparent)}.coverage--bad{border-color:var(--danger);background:linear-gradient(180deg,rgba(255,74,74,.06),transparent)}.coverage__rate{font-family:var(--font-display);font-weight:900;font-size:64px;line-height:1;letter-spacing:-.04em}.coverage__verdict{font-family:var(--font-display);font-style:italic;font-size:18px;font-weight:600}.coverage__detail{font-size:12px;color:var(--text-muted);line-height:1.6}.track-list{display:flex;flex-direction:column;gap:1px;max-height:320px;overflow-y:auto;background:var(--border);border-radius:4px}.track-row{background:var(--bg-card);padding:12px 14px;display:grid;grid-template-columns:1fr 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infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.beat-pulse{width:10px;height:10px;background:var(--accent);border-radius:50%;display:inline-block;animation:beat .5s ease-in-out infinite}@keyframes beat{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.4);opacity:.6}}.tabs{display:flex;gap:4px;background:var(--bg-card);padding:4px;border-radius:4px;border:1px solid var(--border)}.tabs__item{flex:1;padding:10px;font-size:11px;letter-spacing:.12em;text-transform:uppercase;text-align:center;border-radius:2px;color:var(--text-muted);transition:all .15s}.tabs__item--active{background:var(--bg-elevated);color:var(--text)}.setup-range{width:100%;-webkit-appearance:none;height:2px;background:var(--border-strong);outline:none;border-radius:1px}.setup-range::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;background:var(--thumb-color, 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