@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,600&family=Inter:wght@400;500;600&display=swap');

:root {
  --paper: #f6f4ef;
  --ink: #1c2420;
  --ink-soft: #4a5750;
  --pine: #2f4b3c;
  --pine-dark: #223a2e;
  --clay: #b8794f;
  --line: #dcd6c8;
  --card: #ffffff;
  --danger: #a5432f;
  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

h1, h2, h3 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 600;
  margin: 0 0 0.3em 0;
  color: var(--ink);
}

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding-bottom: 20px;
  margin-bottom: 36px;
}

.header h1 { font-size: 1.6rem; }
.header .sub { color: var(--ink-soft); font-size: 0.95rem; }

.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

@media (min-width: 760px) {
  .layout.two-col { grid-template-columns: 300px 1fr; }
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.service-card p { color: var(--ink-soft); margin: 0.4em 0; }

.cal-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.cal-nav button {
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  width: 34px;
  height: 34px;
  cursor: pointer;
  font-size: 1rem;
  color: var(--ink);
}
.cal-nav button:hover { background: var(--paper); }
.cal-nav button:disabled { opacity: 0.35; cursor: default; }

.cal-month-label { font-weight: 600; font-size: 1.05rem; }

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  text-align: center;
}

.cal-dow {
  font-size: 0.75rem;
  color: var(--ink-soft);
  padding-bottom: 6px;
}

.cal-day {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: default;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.cal-day.empty { visibility: hidden; }
.cal-day.available {
  color: var(--ink);
  border-color: var(--line);
  cursor: pointer;
}
.cal-day.available:hover { border-color: var(--pine); }
.cal-day.selected {
  background: var(--pine);
  border-color: var(--pine);
  color: #fff;
}
.cal-day.today::after {
  content: '';
  position: absolute;
  bottom: 5px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--clay);
}

.slots-title { margin-top: 28px; font-size: 1rem; color: var(--ink-soft); }

.slots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.slot-btn {
  padding: 10px 8px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--card);
  cursor: pointer;
  font-size: 0.92rem;
  color: var(--ink);
}
.slot-btn:hover { border-color: var(--pine); }
.slot-btn.selected { background: var(--pine); border-color: var(--pine); color: #fff; }

.empty-note {
  color: var(--ink-soft);
  font-size: 0.92rem;
  padding: 10px 0;
}

form.booking-form { margin-top: 24px; display: none; }
form.booking-form.visible { display: block; }

.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 4px;
}
.field input, .field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--paper);
  color: var(--ink);
}
.field textarea { resize: vertical; min-height: 70px; }

.location-options {
  display: flex;
  gap: 10px;
}
.location-btn {
  flex: 1;
  padding: 12px 10px;
  border-radius: 8px;
  border: 2px solid var(--line);
  background: var(--card);
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.location-btn .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.location-btn[data-color="blue"] .dot { background: #3b6fd6; }
.location-btn[data-color="green"] .dot { background: #3f8a4c; }
.location-btn[data-color="blue"].selected { border-color: #3b6fd6; background: #eaf0fb; }
.location-btn[data-color="green"].selected { border-color: #3f8a4c; background: #eaf6ec; }

.duration-btn {
  flex: 1;
  padding: 10px 10px;
  border-radius: 8px;
  border: 2px solid var(--line);
  background: var(--card);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
}
.duration-btn.selected { border-color: var(--pine); background: #eef3ee; color: var(--pine-dark); }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(28, 36, 32, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 50;
}
.modal {
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal .sub { color: var(--ink-soft); font-size: 0.9rem; margin-bottom: 18px; }
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

.btn-primary {
  background: var(--pine);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px 20px;
  font-size: 0.95rem;
  cursor: pointer;
  font-weight: 500;
}
.btn-primary:hover { background: var(--pine-dark); }
.btn-primary:disabled { opacity: 0.5; cursor: default; }

.btn-secondary {
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 16px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--ink);
}

.confirm-box {
  border: 1px solid var(--pine);
  background: #eef3ee;
  border-radius: var(--radius);
  padding: 22px;
  margin-top: 20px;
}
.confirm-box h3 { color: var(--pine-dark); }

.error-box {
  border: 1px solid var(--danger);
  background: #fbeeeb;
  color: var(--danger);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-top: 16px;
  font-size: 0.9rem;
}

.notice-box {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius);
  padding: 18px 20px;
  color: var(--ink-soft);
}

/* --- Admin --- */
.status-pill {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 500;
}
.status-pill.on { background: #eaf1ec; color: var(--pine-dark); }
.status-pill.off { background: #fbeeeb; color: var(--danger); }

table.bookings {
  width: 100%;
  border-collapse: collapse;
  margin-top: 18px;
  font-size: 0.92rem;
}
table.bookings th, table.bookings td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
}
table.bookings th { color: var(--ink-soft); font-weight: 500; }
.cancel-link { color: var(--danger); cursor: pointer; font-size: 0.85rem; background: none; border: none; padding: 0; }