/* Green Office-palet, gelijk aan cursus.css en de handleidingen. */

:root {
  /* Green Office-palet, overgenomen uit lib/theme.dart van de Flutter-app. */
  --accent: #5C7A5A;            /* saliegroen */
  --accent-donker: #4A6349;
  --accent-licht: #EDF3EC;
  --accent-medium: #D0E3CF;
  --inkt: #1C1713;              /* warm bijna-zwart */
  --wit: #ffffff;

  --bg: #F7F4F0;                /* warm off-white */
  --surface: #ffffff;
  --vlak: #F2EEE9;
  --zijbalk: #EFEBE5;
  --border: #E4DDD6;
  --border-zacht: #EDE8E3;
  --text: #1C1713;
  --text-muted: #7A6E66;
  --text-light: #B0A49A;   /* alleen decoratief: haalt geen AA voor tekst */

  --warm: #7D6034;              /* zand, voor labels */
  --warm-licht: #F6F0E8;

  --sidebar-width: 260px;
  --header-height: 60px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 4px 18px rgba(0,0,0,0.10);
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

a { color: var(--accent); }

/* ---------- overzichtspagina ---------- */

.wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

.page-title {
  margin: 0 0 0.35rem;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.subtitle {
  margin: 0 0 2rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin: 0 0 1.75rem;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.callout strong { color: var(--text); }

.course-list { display: grid; gap: 0.75rem; }

.course-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.25rem;
}

.course-card h2 {
  margin: 0 0 0.25rem;
  font-size: 0.98rem;
  font-weight: 700;
}

.course-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.course-meta {
  margin-top: 0.5rem;
  font-size: 0.76rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.status {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status-none { background: var(--bg); color: var(--text-muted); border: 1px solid var(--border); }
.status-busy { background: var(--accent-licht); color: var(--accent-donker); }
.status-done { background: var(--accent-licht); color: var(--accent-donker); }

.actions { display: flex; flex-direction: column; gap: 0.4rem; align-items: stretch; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  font-size: 0.78rem;
  font-weight: 700;
  font-family: inherit;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.btn-primary { background: var(--accent); color: var(--wit); }
.btn-primary:hover { background: var(--accent-donker); }

.btn-quiet {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}
.btn-quiet:hover { border-color: var(--accent); color: var(--accent); }

.empty {
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.empty code {
  background: var(--bg);
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-sm);
  font-size: 0.85em;
}

/* ---------- spelerpagina ---------- */

body.player { height: 100vh; overflow: hidden; display: flex; flex-direction: column; }

.player-bar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1rem;
  height: 52px;
  background: var(--accent);
  color: var(--wit);
}

.player-bar .back {
  color: var(--wit);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  opacity: 0.85;
  white-space: nowrap;
}
.player-bar .back:hover { opacity: 1; }

.player-bar .title {
  font-size: 0.88rem;
  font-weight: 700;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.player-bar .state {
  font-size: 0.72rem;
  opacity: 0.75;
  white-space: nowrap;
}

.player-bar button {
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background: transparent;
  color: var(--wit);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.7rem;
  cursor: pointer;
}
.player-bar button:hover { border-color: var(--wit); }

.player-frame { flex: 1 1 auto; border: 0; width: 100%; display: block; background: var(--wit); }

.player-error {
  flex: 1 1 auto;
  display: grid;
  place-items: center;
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
}

/* Zonder deze regel wint "display: grid" hierboven van het hidden-attribuut,
   en pakt de verborgen foutmelding alsnog de helft van het scherm. */
.player-error[hidden] {
  display: none;
}

@media (max-width: 640px) {
  .course-card { grid-template-columns: 1fr; }
  .actions { flex-direction: row; }
  .player-bar .state { display: none; }
}