*,:before,:after{box-sizing:border-box}html,body{height:100%;overscroll-behavior:none;height:100dvh;margin:0;overflow:hidden}body{color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;touch-action:manipulation;font-family:ui-rounded,SF Pro Rounded,system-ui,-apple-system,Segoe UI,sans-serif}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation;background:0 0;border:none}:root{--bg:#101a2e;--bg-glow:#1b2c4d;--surface:#1b2a45;--surface-raised:#24375a;--text:#eef3fb;--text-dim:#93a4c4;--accent:#4da3ff;--accent-soft:#4da3ff29;--danger:#ff6b6b;--glass:#e9f0ff29;--glass-edge:#e9f0ff61;--shadow:#040a1680;--radius:16px}:root[data-theme=light]{--bg:#eef2f9;--bg-glow:#fff;--surface:#fff;--surface-raised:#f4f7fc;--text:#16233c;--text-dim:#5d6c88;--accent:#1f6feb;--accent-soft:#1f6feb1f;--danger:#d64545;--glass:#16233c12;--glass-edge:#16233c33;--shadow:#18284629}.app{height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);background:radial-gradient(120% 70% at 50% 0%, var(--bg-glow) 0%, transparent 62%), var(--bg);grid-template-rows:auto 1fr auto;grid-template-columns:minmax(0,1fr);display:grid}.app--screwland,.app--busjam{grid-template-rows:auto auto 1fr auto}.topbar{justify-content:space-between;align-items:center;gap:8px;padding:10px 14px 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0;display:flex}.sheet-row:first-of-type{border-top:none}.sheet-row-label{flex-direction:column;gap:2px;font-size:.9rem;font-weight:600;display:flex}.sheet-row-label small{color:var(--text-dim);font-size:.76rem;font-weight:400;line-height:1.4}.button{background:var(--accent);color:#fff;border-radius:13px;padding:12px 20px;font-size:.92rem;font-weight:700;transition:transform .12s,filter .15s}.button:active{transform:translateY(1px)}.button--ghost{background:var(--glass);color:var(--text)}.button--full{width:100%;margin-top:8px}.button--danger{color:var(--danger);background:0 0}.switch{background:var(--glass);border-radius:999px;flex:none;width:50px;height:30px;transition:background .18s;position:relative}.switch[aria-checked=true]{background:var(--accent)}.switch:after{content:"";background:#fff;border-radius:50%;width:24px;height:24px;transition:transform .18s cubic-bezier(.3,1.4,.5,1);position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #0000004d}.switch[aria-checked=true]:after{transform:translate(20px)}.segmented{background:var(--glass);border-radius:11px;gap:2px;padding:3px;display:flex}.segmented button{color:var(--text-dim);border-radius:9px;padding:7px 13px;font-size:.8rem;font-weight:600;transition:background .15s,color .15s}.segmented button[aria-pressed=true]{background:var(--surface-raised);color:var(--text)}.field{border:1px solid var(--glass-edge);background:var(--bg);width:100%;color:var(--text);-webkit-user-select:text;user-select:text;border-radius:11px;padding:11px 13px;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.8rem}.note{color:var(--text-dim);margin:10px 0 0;font-size:.78rem;line-height:1.5}.note--error{color:var(--danger)}.note--ok{color:var(--accent)}@keyframes fade-in{0%{opacity:0}}@keyframes rise{0%{opacity:0;transform:translateY(16px)scale(.97)}}.visually-hidden{clip:rect(0 0 0 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.timer-bar{display:none}@media (prefers-reduced-motion:reduce){.timer-bar:after{transition:none}}