/**
 * Anthilla Booking Heatmap — canonical CSS
 * Mobile-first responsive
 */

:root {
  --anth-bk-primary: #1a1a1a;
  --anth-bk-accent: #16899A;
  --anth-bk-bg: #ffffff;
  --anth-bk-text: #1a1a1a;
  --anth-bk-text-muted: #5f7285;
  --anth-bk-border: #e8ecf0;
  --anth-bk-radius: 12px;
  --anth-bk-radius-sm: 8px;
  --anth-bk-shadow: 0 2px 8px rgba(0,0,0,0.08);
  --anth-bk-shadow-hover: 0 6px 16px rgba(0,0,0,0.15);

  /* Heatmap saturation gradient */
  --anth-cell-h-free: 145;       /* greenish */
  --anth-cell-h-full: 5;         /* reddish */
}

#anth-booking-app {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  color: var(--anth-bk-text);
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
}

.anth-reviews-badge {
  margin-bottom: 12px;
  padding: 10px 14px;
  background: linear-gradient(90deg, #fff7e6 0%, #fff 100%);
  border-left: 4px solid #f0a500;
  border-radius: var(--anth-bk-radius-sm);
  font-size: 13.5px;
}
.anth-reviews-badge a { color: var(--anth-bk-text); text-decoration: none; }
.anth-reviews-badge strong { color: #f0a500; }

.anth-booking-header h2 {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 700;
  color: var(--anth-bk-primary);
}
.anth-booking-hint {
  margin: 0 0 18px;
  font-size: 13.5px;
  color: var(--anth-bk-text-muted);
}

.anth-week-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding: 8px 12px;
  background: #f8fafb;
  border-radius: var(--anth-bk-radius-sm);
}
.anth-week-nav button {
  background: var(--anth-bk-bg);
  border: 1px solid var(--anth-bk-border);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 18px;
  cursor: pointer;
  line-height: 1;
}
.anth-week-nav button:hover { background: var(--anth-bk-accent); color: #fff; border-color: var(--anth-bk-accent); }
.anth-current-range { font-weight: 600; font-size: 14px; }

.anth-heatmap-container {
  background: var(--anth-bk-bg);
  border: 1px solid var(--anth-bk-border);
  border-radius: var(--anth-bk-radius);
  overflow: hidden;
}
.anth-loading {
  padding: 32px;
  text-align: center;
  color: var(--anth-bk-text-muted);
  font-size: 14px;
}

/* Grid: desktop = 7 columns × N rows */
.anth-heatmap-grid {
  display: grid;
  grid-template-columns: 70px repeat(7, 1fr);
  gap: 4px;
  padding: 12px;
}
.anth-heatmap-header {
  display: contents;
}
.anth-heatmap-header > div {
  padding: 8px 4px;
  text-align: center;
  font-weight: 600;
  font-size: 12px;
  color: var(--anth-bk-text-muted);
  border-bottom: 1px solid var(--anth-bk-border);
}
.anth-heatmap-header > div.is-today {
  color: var(--anth-bk-accent);
  font-weight: 700;
}

.anth-time-label {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 8px;
  font-size: 11px;
  color: var(--anth-bk-text-muted);
}

.anth-heatmap-cell {
  --saturation: 0;
  background-color: hsl(
    calc(var(--anth-cell-h-free) - ((var(--anth-cell-h-free) - var(--anth-cell-h-full)) * var(--saturation) / 100)),
    65%,
    calc(94% - (var(--saturation) * 0.32%))
  );
  border-radius: var(--anth-bk-radius-sm);
  padding: 8px 4px;
  text-align: center;
  font-size: 11px;
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.12s;
  position: relative;
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.anth-heatmap-cell:hover {
  transform: scale(1.04);
  box-shadow: var(--anth-bk-shadow-hover);
  z-index: 1;
}
.anth-heatmap-cell[data-state="full"] {
  cursor: not-allowed;
  opacity: 0.6;
}
.anth-heatmap-cell[data-state="blocked"] {
  background: repeating-linear-gradient(45deg, #d4d4d4 0 6px, #b8b8b8 6px 12px);
  cursor: not-allowed;
  color: #fff;
}
.anth-heatmap-cell[data-state="free"]::after { content: "○"; font-size: 14px; }
.anth-heatmap-cell[data-state="partial"]::after { content: "◐"; font-size: 14px; }
.anth-heatmap-cell[data-state="full"]::after { content: "●"; font-size: 14px; }

.anth-legend {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
  padding: 12px;
  font-size: 12px;
  color: var(--anth-bk-text-muted);
  border-top: 1px solid var(--anth-bk-border);
}
.anth-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.anth-legend-item::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  border: 1px solid var(--anth-bk-border);
}
.anth-legend-item[data-state="free"]::before { background: hsl(145, 65%, 94%); }
.anth-legend-item[data-state="partial"]::before { background: hsl(75, 65%, 78%); }
.anth-legend-item[data-state="full"]::before { background: hsl(5, 65%, 62%); }
.anth-legend-item[data-state="blocked"]::before { background: repeating-linear-gradient(45deg, #d4d4d4 0 4px, #b8b8b8 4px 8px); }

/* Modal */
.anth-modal {
  border: none;
  border-radius: var(--anth-bk-radius);
  padding: 0;
  max-width: 480px;
  width: 95vw;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}
.anth-modal::backdrop { background: rgba(0,0,0,0.45); }
.anth-booking-form {
  padding: 20px;
}
.anth-booking-form header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.anth-booking-form header h3 { margin: 0; font-size: 18px; }
.anth-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  padding: 0 4px;
}
.anth-slot-info {
  background: #f8fafb;
  padding: 10px 12px;
  border-radius: var(--anth-bk-radius-sm);
  margin-bottom: 14px;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
}
.anth-field {
  display: block;
  margin-bottom: 12px;
}
.anth-field > span {
  display: block;
  font-size: 12px;
  margin-bottom: 4px;
  color: var(--anth-bk-text-muted);
  font-weight: 600;
}
.anth-field input, .anth-field select, .anth-field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--anth-bk-border);
  border-radius: var(--anth-bk-radius-sm);
  font-size: 14px;
  background: var(--anth-bk-bg);
  box-sizing: border-box;
}
.anth-consent {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 12px;
  margin-bottom: 10px;
  color: var(--anth-bk-text-muted);
}
.anth-consent input { margin-top: 3px; }
.anth-btn-primary {
  background: var(--anth-bk-accent);
  color: #fff;
  border: none;
  padding: 12px 24px;
  border-radius: var(--anth-bk-radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
}
.anth-btn-primary:hover { background: #126e7d; }
.anth-btn-secondary {
  background: transparent;
  color: var(--anth-bk-text-muted);
  border: 1px solid var(--anth-bk-border);
  padding: 12px 24px;
  border-radius: var(--anth-bk-radius-sm);
  font-size: 14px;
  cursor: pointer;
  margin-top: 6px;
  width: 100%;
}
.anth-modal-result {
  margin-top: 14px;
  padding: 12px;
  border-radius: var(--anth-bk-radius-sm);
  font-size: 13px;
}
.anth-modal-result.success { background: #d4f4dd; color: #1b6b35; }
.anth-modal-result.error { background: #f9d6d6; color: #8a1f1f; }

/* Push prompt */
.anth-push-prompt {
  margin-top: 20px;
  padding: 16px;
  background: #f0f7fb;
  border-radius: var(--anth-bk-radius);
  text-align: center;
}

/* MOBILE FIRST: ≤ 768px → day-swipe layout */
@media (max-width: 768px) {
  .anth-heatmap-grid {
    grid-template-columns: 1fr 1fr;
    padding: 8px;
  }
  .anth-heatmap-header {
    grid-column: 1 / -1;
    display: flex;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--anth-bk-border);
    margin-bottom: 8px;
  }
  .anth-heatmap-header > div {
    flex: 0 0 auto;
    padding: 6px 12px;
    border: 1px solid var(--anth-bk-border);
    border-radius: 20px;
    border-bottom: 1px solid var(--anth-bk-border);
    cursor: pointer;
  }
  .anth-heatmap-header > div.is-active {
    background: var(--anth-bk-accent);
    color: #fff;
    border-color: var(--anth-bk-accent);
  }
  .anth-time-label {
    grid-column: 1;
    justify-content: flex-start;
    padding-left: 8px;
    font-size: 12px;
    background: #f8fafb;
    border-radius: var(--anth-bk-radius-sm);
  }
  .anth-heatmap-cell {
    grid-column: 2;
    min-height: 44px;
    font-size: 13px;
  }
  /* Hide all day columns except active */
  .anth-heatmap-cell:not([data-day-active="1"]) { display: none; }
  .anth-time-label:not([data-day-active="1"]) { display: none; }
}

/* ≤ 380px (small mobile) */
@media (max-width: 380px) {
  #anth-booking-app { padding: 8px; }
  .anth-booking-header h2 { font-size: 18px; }
  .anth-heatmap-cell { min-height: 40px; padding: 6px 2px; }
}