:root {
  --sander-bg: #F7F3EE;
  --sander-surface: #FFFbf7;
  --sander-ink: #0F172A;
  --sander-muted: #64748B;
  --sander-line: #E8E0D5;
  --sander-penuh-bg: #E2E8F0;
  --sander-penuh-text: #64748B;
  --sander-accent: #0F766E;
  --sander-radius: 14px;
  --sander-font-display: "Playfair Display", Georgia, serif;
  --sander-font-body: "Karla", system-ui, sans-serif;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body.sander-public {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sander-font-body);
  color: var(--sander-ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(180, 83, 9, 0.12), transparent 50%),
    radial-gradient(ellipse 70% 40% at 100% 0%, rgba(15, 118, 110, 0.10), transparent 45%),
    linear-gradient(180deg, #FBF8F3 0%, var(--sander-bg) 40%, #F1EBE3 100%);
}

.sander-shell {
  width: min(100%, 480px);
  margin: 0 auto;
  padding: 28px 16px 40px;
}

.sander-header {
  text-align: center;
  margin-bottom: 20px;
}

.sander-logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  margin-bottom: 10px;
  border-radius: 12px;
}

.sander-brand {
  margin: 0;
  font-family: var(--sander-font-display);
  font-size: clamp(1.75rem, 6vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--sander-ink);
}

.sander-title {
  margin: 8px 0 0;
  font-family: var(--sander-font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sander-muted);
}

.sander-month-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.sander-month-label {
  margin: 0;
  font-family: var(--sander-font-display);
  font-size: 1.25rem;
  font-weight: 600;
}

.sander-nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: var(--sander-surface);
  border: 1px solid var(--sander-line);
  color: var(--sander-ink);
  text-decoration: none;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.sander-nav-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
}

.sander-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-bottom: 8px;
  text-align: center;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--sander-muted);
}

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

.sander-day {
  min-height: 88px;
  padding: 6px 4px 8px;
  border-radius: 12px;
  background: var(--sander-surface);
  border: 1px solid rgba(232, 224, 213, 0.9);
  animation: sander-fade-up 420ms ease both;
  animation-delay: var(--delay, 0ms);
}

.sander-day.is-outside {
  opacity: 0.35;
  background: transparent;
  border-color: transparent;
}

.sander-day-num {
  font-size: 0.72rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4px;
  color: var(--sander-ink);
}

.sander-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 3px;
  padding: 5px 2px;
  border-radius: 8px;
  text-decoration: none;
  text-align: center;
  line-height: 1.15;
  transition: transform 160ms ease, filter 160ms ease;
}

.sander-slot.is-available {
  background: var(--slot-color, var(--sander-accent));
  color: #fff;
  cursor: pointer;
}

.sander-slot.is-available:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.sander-slot.is-penuh {
  background: var(--sander-penuh-bg);
  color: var(--sander-penuh-text);
  cursor: default;
}

.sander-slot-time {
  font-size: 0.52rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.sander-slot-status {
  font-size: 0.5rem;
  font-weight: 600;
  text-transform: lowercase;
  opacity: 0.95;
}

.sander-legend {
  margin-top: 20px;
  text-align: center;
}

.sander-legend p {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--sander-muted);
}

.sander-empty {
  margin-top: 24px;
  padding: 24px 16px;
  text-align: center;
  border-radius: var(--sander-radius);
  background: var(--sander-surface);
  border: 1px dashed var(--sander-line);
  color: var(--sander-muted);
  font-size: 0.95rem;
}

@keyframes sander-fade-up {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .sander-day,
  .sander-nav-btn,
  .sander-slot {
    animation: none !important;
    transition: none !important;
  }
}

@media (min-width: 768px) {
  .sander-shell {
    width: min(100%, 720px);
    padding-top: 40px;
  }

  .sander-day {
    min-height: 110px;
    padding: 8px 6px 10px;
  }

  .sander-slot-time {
    font-size: 0.68rem;
  }

  .sander-slot-status {
    font-size: 0.62rem;
  }
}

/* Admin calendar helpers (loaded via optimize/tribox if linked; also used inline page) */
.sander-admin-month {
  display: inline-block;
  margin: 0 8px;
  font-weight: 600;
  color: #fff;
  vertical-align: middle;
}

.sander-admin-cal-head,
.sander-admin-cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}

.sander-admin-cal-head {
  margin-bottom: 8px;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: #64748B;
}

.sander-admin-day {
  min-height: 120px;
  padding: 8px;
  border: 1px solid #E2E8F0;
  border-radius: 10px;
  background: #fff;
}

.sander-admin-day.is-outside {
  opacity: 0.4;
  background: #F8FAFC;
}

.sander-admin-day-num {
  font-weight: 700;
  font-size: 12px;
  margin-bottom: 6px;
}

.sander-admin-slot {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 6px 4px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 11px;
  line-height: 1.2;
  cursor: pointer;
  text-align: center;
}

.sander-admin-slot-time {
  display: block;
  font-weight: 700;
}

.sander-admin-slot-status {
  display: block;
  text-transform: lowercase;
}

.sander-admin-legend {
  margin-top: 16px;
}

.sander-color-swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  vertical-align: middle;
  border: 1px solid rgba(0, 0, 0, 0.1);
}