:root {
  color-scheme: dark;
  --bg: #111418;
  --panel: #1a1e24;
  --border: #2b313a;
  --text: #e6e9ed;
  --muted: #8a92a0;
  --accent: #4f8cff;
  --danger: #e5534b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.hidden { display: none !important; }

.login-form {
  max-width: 320px;
  margin: 15vh auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 32px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.login-form h1 { margin: 0 0 8px; font-size: 20px; }

input, select, button {
  font-size: 14px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0f1216;
  color: var(--text);
}

button {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  cursor: pointer;
  font-weight: 600;
}

button.ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--muted);
}

button.danger {
  background: var(--danger);
  border-color: var(--danger);
}

button.small {
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 500;
}

.error { color: var(--danger); min-height: 18px; font-size: 13px; margin: 0; }

header {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

header h1 { font-size: 18px; margin: 0; margin-right: auto; }

nav { display: flex; gap: 8px; }

.tab-btn {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
}

.tab-btn.active {
  background: var(--panel);
  border-color: var(--border);
  color: var(--text);
}

main { padding: 24px; max-width: 900px; margin: 0 auto; }

.tab.hidden { display: none; }

h2 { margin-top: 0; }

.hint { color: var(--muted); font-size: 13px; margin-top: -8px; }

.inline-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.inline-form input[type="text"] { flex: 1; min-width: 200px; }

.list { display: flex; flex-direction: column; gap: 10px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}

.card-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.card-title { font-weight: 600; }

.badge {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 2px 8px;
  border-radius: 999px;
  background: #22262d;
  color: var(--muted);
  border: 1px solid var(--border);
}

.card-url {
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: var(--accent);
  word-break: break-all;
}

.card-actions { margin-left: auto; display: flex; gap: 8px; }

.item-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.item-row:last-child { border-bottom: none; }

.item-row .filename { flex: 1; }

.playlist-detail-panel {
  margin-top: 16px;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
}