:root {
  color-scheme: light dark;
  --border: #d0d0d8;
  --bg-card: #fff;
  --text-muted: #666;
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
  padding: 0 1.5rem 3rem;
  background: #f6f6f9;
  color: #1a1a1e;
}

@media (prefers-color-scheme: dark) {
  body { background: #121214; color: #ececef; }
  :root { --border: #333338; --bg-card: #1c1c20; --text-muted: #999; }
}

h1 { font-size: 1.4rem; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

main { max-width: 900px; margin: 0 auto; }

.auth-card {
  max-width: 320px;
  margin: 4rem auto;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.auth-card form { display: flex; flex-direction: column; gap: 1rem; }
label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.9rem; }
input { padding: 0.5rem; border: 1px solid var(--border); border-radius: 6px; background: transparent; color: inherit; }

button {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 6px;
  background: #4f46e5;
  color: white;
  cursor: pointer;
  font-size: 0.9rem;
}
button.danger { background: #dc2626; }
button.link-btn { background: transparent; color: inherit; text-decoration: underline; padding: 0; }

.error { color: #dc2626; }
.hint { color: var(--text-muted); font-size: 0.85rem; }

.upload-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 2rem;
}
.upload-form { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: center; }

.song-table { width: 100%; border-collapse: collapse; }
.song-table th, .song-table td { text-align: left; padding: 0.5rem; border-bottom: 1px solid var(--border); }
.song-table input { width: 100%; padding: 0.3rem; }
.song-table td.actions { display: flex; gap: 0.5rem; white-space: nowrap; }

.badge { padding: 0.15rem 0.5rem; border-radius: 999px; font-size: 0.75rem; }
.badge-ready { background: #16a34a33; color: #16a34a; }
.badge-pending, .badge-analyzing { background: #f59e0b33; color: #f59e0b; }
.badge-failed { background: #dc262633; color: #dc2626; }
.error-inline { margin-left: 0.25rem; cursor: help; }