:root{
  --bg1:#faf7ff; --bg2:#fff1f7;
  --primary:#6D28D9; /* purple */
  --accent:#EC4899;  /* pink */
  --card:#ffffff; --text:#0f172a; --muted:#64748b; --border:#e2e8f0;
  --danger:#dc2626;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,Arial;background:linear-gradient(135deg,var(--bg1),var(--bg2));color:var(--text)}
.container{max-width:1000px;margin:0 auto;padding:16px}
.header{display:flex;align-items:center;justify-content:space-between;padding-top:16px}
.brand{display:flex;gap:12px;align-items:center}
.logo{font-size:28px;filter:drop-shadow(0 3px 12px rgba(109,40,217,.2))}
h1{margin:0;font-size:26px}
.muted{color:var(--muted);margin:2px 0 0}
.cta-row .btn{background-image:linear-gradient(90deg,var(--primary),var(--accent));border:none}
.card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:16px;box-shadow:0 12px 30px rgba(109,40,217,.08)}
.card-title{font-weight:700;margin-bottom:8px}
.subtle-title{margin-top:20px;color:#6b7280}
.row{display:flex;align-items:center}
.space-between{justify-content:space-between}
.wrap{flex-wrap:wrap}
.end{justify-content:flex-end}
.gap{gap:10px}
.mt{margin-top:16px}
.mt-sm{margin-top:8px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
label{font-size:12px;color:var(--muted)}
input,select,textarea{width:100%;padding:10px;border:1px solid var(--border);border-radius:12px;font:inherit}
textarea{resize:vertical}
pre{white-space:pre-wrap}
.btn{padding:10px 16px;border:1px solid transparent;border-radius:14px;background:linear-gradient(90deg,var(--primary),var(--accent));color:#fff;cursor:pointer;font-weight:700;transition:.15s transform ease}
.btn:hover{transform:translateY(-1px)}
.btn.ghost{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn.subtle{background:transparent;border:1px solid var(--border);color:var(--primary)}
.btn.outline{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn.danger{background:#ef4444;border:none}
.btn.disabled{opacity:.6;cursor:not-allowed}
.topic-badge{display:inline-block;background:rgba(236,72,153,.1);color:#9d174d;border:1px solid #fbcfe8;padding:6px 10px;border-radius:999px;font-size:12px;margin-top:8px}
.prompt{margin-top:8px;font-size:18px;line-height:1.6;background:#fff;border:1px solid var(--border);border-radius:12px;padding:10px}
.sample{margin-top:8px;background:#fff0f7;border:1px solid #fbcfe8;border-radius:12px;padding:10px}
.timer{text-align:center;margin-top:16px}
#wave{width:100%;background:linear-gradient(90deg,rgba(109,40,217,.05),rgba(236,72,153,.05));border-radius:12px}
#countdown{font-size:48px;font-weight:800;font-family:ui-monospace,Menlo,monospace;background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.player{min-width:260px}
.hint{font-size:11px;color:var(--muted)}
.history{max-height:280px;overflow:auto;display:flex;flex-direction:column;gap:10px}
.hist-item{background:#fafafa;border:1px solid var(--border);border-radius:12px;padding:10px}
.pill{display:inline-block;background:#fafafa;border:1px solid var(--border);border-radius:999px;padding:6px 10px;font-size:12px}
.badge-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.footer{text-align:center;font-size:12px;color:var(--muted);margin-top:30px}
/* Dashboard */
.dashboard .stat{background:linear-gradient(135deg,rgba(109,40,217,.08),rgba(236,72,153,.08));border:1px solid var(--border);border-radius:14px;padding:12px}
.stat-label{font-size:12px;color:var(--muted)}
.stat-value{font-weight:800;font-size:24px}
.score-box{border:1px dashed #e5e7eb;border-radius:14px;padding:12px;background:#fff}
.score-title{font-weight:700;margin-bottom:8px}
.score-pill{background:#fafafa;border:1px solid var(--border);border-radius:12px;padding:10px;text-align:center}
.overall{margin-top:10px;font-weight:800}
.note{font-size:12px;color:var(--muted)}
@media (max-width:900px){
  .grid-3{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
}