:root {
  --bg: #121212;
  --card: #1e1e1e;
  --text: #eee;
  --accent: #4c8dff;
  --border: #333;
  --danger: #e53935;
}

body.light {
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #111;
  --accent: #0066ff;
  --border: #ddd;
}

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  padding: 20px;

  /* 👇 Tell browser we want dark UI controls */
  color-scheme: dark;
}

body.light {
  color-scheme: light;
}

.card {
  max-width: 420px;
  margin: auto;
  background: var(--card);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

h2 {
  font-size: 0.95rem;
  margin-top: 18px;
}

.programmes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

button {
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

button.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

button.primary {
  width: 100%;
  margin-top: 15px;
  background: var(--accent);
  color: white;
  border: none;
}

button.secondary {
  width: 100%;
  margin-top: 10px;
  opacity: 0.85;
}

button.danger {
  width: 100%;
  margin-top: 12px;
  background: var(--danger);
  color: white;
  border: none;
}

.programme-info {
  margin-top: 8px;
  font-size: 0.85rem;
}

.programme-info .duration {
  color: #9aa4b2;
}

.programme-info .warning {
  color: #ff6b6b;
}

.finish-row {
  display: flex;
  gap: 8px;
}

.finish-row input {
  flex: 1;
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
}

.quick-delays button {
  padding: 8px;
  font-size: 0.8rem;
}

.result {
  margin-top: 15px;
  font-weight: 600;
  white-space: pre-line;
}

.notify {
  display: flex;
  gap: 8px;
  margin-top: 15px;
}

.notify button {
  flex: 1;
}

.notif-status {
  margin-top: 12px;
  font-size: 0.85rem;
}

.notif-status div {
  margin-bottom: 4px;
}

.notif-status .success {
  color: #4caf50;
}

.notif-status .warning {
  color: #ffb74d;
}