:root { font-family: Arial, sans-serif; }
body { margin:0; background:#f5f7fb; color:#1f2937; }
.container { max-width: 1100px; margin: 1rem auto; padding: 0 1rem 2rem; }
.narrow { max-width: 500px; }
.card { background: white; padding: 1rem; border-radius: 10px; box-shadow: 0 1px 4px rgba(0,0,0,.08); margin-bottom: 1rem; }
.topbar { display:flex; justify-content:space-between; align-items:center; margin-bottom: 1rem; }
.btn { background:#2563eb; color:#fff; border:none; padding:.5rem .75rem; border-radius:6px; text-decoration:none; display:inline-block; cursor:pointer; }
.btn.danger { background:#dc2626; }
.inline { display:inline-flex; gap:.5rem; align-items:center; }
.list { list-style:none; padding:0; }
.list li { display:flex; justify-content:space-between; align-items:center; padding:.5rem 0; border-bottom:1px solid #e5e7eb; }
.error { color:#dc2626; font-weight:bold; }
.muted { color:#6b7280; font-size:.92rem; }
table { width:100%; border-collapse:collapse; }
th, td { text-align:left; border-bottom:1px solid #e5e7eb; padding:.45rem; font-size:.9rem; vertical-align: top; }
input, select { padding:.45rem; border:1px solid #cbd5e1; border-radius:6px; width:100%; max-width: 360px; }
.player-frame { width:100%; min-height:75vh; border:1px solid #e5e7eb; border-radius:8px; }
code { font-size:.8rem; word-break: break-all; }
@media (max-width: 768px) {
  .topbar { flex-direction:column; align-items:flex-start; gap:.6rem; }
  th, td { font-size:.8rem; }
}