/* Grundlayout */
:root {
  --brand: #2F6FDE;
  --bg: #ffffff;
  --fg: #0f1115;
  --muted: #667085;
  --soft: #f3f5f7;
  --success: #1a7f37;
  --error: #c0342b;
  --warn: #b08000;
  --border: #e2e8f0;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; color: var(--fg); background: var(--bg); }

.container { max-width: 980px; margin: 24px auto; padding: 0 16px; }
.container.narrow { max-width: 520px; }

.site-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 4px solid var(--brand);
}
.site-header .site-title { font-weight: 700; font-size: 1.2rem; text-align: center; }
.site-header .logo { height: 48px; display:flex; align-items:center; }
.site-header .logo img { max-height: 48px; width: auto; opacity: 0.9; }
.site-header .logo.left { justify-content: flex-start; }
.site-header .logo.right { justify-content: flex-end; }

/* ---------- Footer (blaue Leiste mit Links) ---------- */
.site-footer {
  background: var(--brand);
  color: #ffffff;
  padding: 4px 0;            /* <-- dünnerer vertikaler Abstand */
  margin-top: 32px;
  font-size: 0.9rem;         /* etwas kleinere Links */
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-top: 2px;
  margin-bottom: 2px;
}

.site-footer a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
}

.site-footer a:hover,
.site-footer a:focus {
  text-decoration: underline;
  opacity: 0.95;
}

/* Mobile: Links untereinander */
@media (max-width: 520px) {
  .site-footer .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

/* Karten, Typografie, Formulare */
h1, h2, h3 { margin: 0 0 12px 0; }
.intro { background: var(--soft); }

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: 0 1px 1px rgba(0,0,0,0.02);
}

label { display: block; font-size: 0.95rem; margin: 8px 0 6px; color: var(--muted); }
input[type="text"], input[type="password"], input[type="date"], input[type="time"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
  color: var(--fg);
}

.form-actions { margin-top: 12px; }
.form-actions.sticky {
  position: sticky;
  bottom: 12px;
  background: rgba(255,255,255,0.9);
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  backdrop-filter: blur(6px);
}

.btn {
  display: inline-block;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--fg);
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
}
.btn.primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn.danger  { background: #fff5f5; color: #c0342b; border-color: #f1cccc; }
.btn.xs      { font-size: 0.8rem; padding: 4px 8px; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.notice {
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
  background: #fff;
}
.notice.success { border-color: #b7ebc6; background: #f0fff4; color: var(--success); }
.notice.error   { border-color: #f0c2bf; background: #fff5f5; color: var(--error); }

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.table thead th { background: #fafafa; color: #344054; font-weight: 700; }

.grid.two { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 800px) { .grid.two { grid-template-columns: 1fr 1fr; } }

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* Slots / Terminanzeige */
.slots-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 8px; }
.slot {
  display: block;
  padding: 10px 12px;
  border: 1px dashed var(--border);
  border-radius: 10px;
  background: #fff;
  color: var(--fg);
}
.slot input[type="radio"] { margin-right: 6px; }
.slot.free        { border-color: #bcd3ff; background: #f7fbff; }
.slot.booked      { color: #8c8c8c; background: #fafafa; border-style: solid; border-color: #e5e7eb; }
.slot.unavailable { color: #8c8c8c; background: #fafafa; border-style: dotted; border-color: #eee; }

/* --- Einklappbare Tagesblöcke im Admin-Bereich --- */
.day-block {
  /* <details> selbst bekommt die „Karte“ */
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  margin-bottom: 12px;
  overflow: hidden; /* saubere Kanten */
}

/* Der sichtbare Kopf (Zusammenfassung) als „Header“ des Blocks */
.day-block > summary {
  display: block;
  padding: 10px 12px;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  outline: none;
  list-style: none;              /* viele Browser zeigen einen Marker, den wir ausblenden wollen */
}

/* Disclosure-Dreieck ausblenden (WebKit) – optional */
.day-block > summary::-webkit-details-marker {
  display: none;
}

/* Eigener Marker rechts (Pfeilchen) */
.day-block > summary::after {
  content: '▾';
  float: right;
  transition: transform .2s ease;
  opacity: 0.8;
}

/* Pfeil umdrehen, wenn geöffnet */
.day-block[open] > summary::after {
  transform: rotate(180deg);
}

/* feine Trennlinie zwischen Summary und Inhalt, wenn offen */
.day-block[open] > summary {
  border-bottom: 1px solid var(--border);
}

/* Innenbereich (Slots etc.) */
.day-block .day-inner {
  padding: 10px 12px;
}

.admin-bar { display:flex; justify-content:flex-end; gap:8px; margin-bottom:8px; }

/* Dezenter Hinweis-Link */
.admin-link { text-align:center; color: var(--muted); margin-top: 12px; }
.admin-link a { color: var(--brand); text-decoration: none; }