@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800&family=JetBrains+Mono:wght@500;700&display=swap');
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#0A0A12;--surface:#16162A;--text:#E8E8F0;--text-dim:#6B6B84;--border:#22223A;--primary:#6366F1;--green:#22C55E;--red:#EF4444;--font:'Inter',system-ui,sans-serif}
html{font-family:var(--font);background:var(--bg);color:var(--text)}
body{min-height:100vh;display:flex;align-items:center;justify-content:center}
.app{max-width:380px;width:100%;padding:1rem;display:flex;flex-direction:column;align-items:center;gap:.6rem}
.display{font-family:'JetBrains Mono',monospace;font-size:2.5rem;font-weight:700;color:var(--text);text-align:center;letter-spacing:2px}
.ms{font-size:1.2rem;color:var(--text-dim)}
.controls{display:flex;gap:.4rem}
.btn{padding:.4rem 1rem;border-radius:10px;font-size:.75rem;font-weight:700;cursor:pointer;border:none;transition:all .15s;font-family:var(--font)}
.btn-start{background:var(--green);color:#0A0A12}.btn-start.running{background:var(--red)}
.btn-lap{background:var(--surface);border:1px solid var(--border);color:var(--text-dim)}
.btn-lap:not(:disabled):hover{background:rgba(99,102,241,.15);color:var(--primary)}
.btn-lap:disabled{opacity:.3;cursor:default}
.btn-reset{background:transparent;border:1px solid var(--border);color:var(--text-dim)}.btn-reset:hover{background:var(--surface);color:var(--text)}
.laps-header{font-size:.65rem;font-weight:700;color:var(--text-dim);display:flex;justify-content:space-between;align-items:center;width:100%;padding:0 .2rem}
.btn-sm{background:none;border:none;color:var(--primary);font-size:.6rem;cursor:pointer;font-family:var(--font);font-weight:600}
.laps{width:100%;max-height:200px;overflow-y:auto;display:flex;flex-direction:column;gap:2px}
.lap{display:flex;justify-content:space-between;padding:.2rem .4rem;background:var(--surface);border-radius:6px;font-size:.68rem}
.lap-num{color:var(--primary);font-weight:700;font-size:.62rem}.lap-time{font-family:'JetBrains Mono',monospace;font-size:.65rem}
.lap-delta{color:var(--text-dim);font-size:.6rem}
.toast{position:fixed;bottom:1.5rem;right:1.5rem;background:var(--surface);border:1px solid var(--primary);color:var(--primary);padding:.4rem .8rem;border-radius:8px;font-size:.72rem;z-index:200;transform:translateY(80px);opacity:0;transition:all .3s}
.toast.show{transform:translateY(0);opacity:1}