/* ── School Visit Booking – Stylesheet ─────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display&family=DM+Sans:wght@400;500;600&display=swap');

:root {
  --svb-bg:         #f9f6f1;
  --svb-surface:    #ffffff;
  --svb-primary:    #1a5c3a;
  --svb-primary-lt: #e8f4ed;
  --svb-accent:     #e8a838;
  --svb-text:       #1a1a1a;
  --svb-muted:      #6b7280;
  --svb-border:     #e2ddd5;
  --svb-error:      #c0392b;
  --svb-full:       #f5e4e4;
  --svb-partial:    #fdf3e0;
  --svb-radius:     12px;
  --svb-shadow:     0 4px 24px rgba(0,0,0,.08);
  --svb-font-head:  'DM Serif Display', serif;
  --svb-font-body:  'DM Sans', sans-serif;
}

/* ── Wrapper ── */
.svb-wrap {
  font-family: var(--svb-font-body);
  color: var(--svb-text);
  max-width: 680px;
  margin: 0 auto;
  background: var(--svb-bg);
  border-radius: var(--svb-radius);
  overflow: hidden;
}

/* ── Steps ── */
.svb-step { display: none; padding: 36px 40px; }
.svb-step.svb-active { display: block; animation: svbFadeUp .35s ease; }

@keyframes svbFadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Step indicator ── */
.svb-header { margin-bottom: 28px; }

.svb-step-indicator {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 20px;
}

.svb-dot {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 600;
  background: var(--svb-border);
  color: var(--svb-muted);
  flex-shrink: 0;
  transition: background .3s, color .3s;
}
.svb-dot.active { background: var(--svb-primary); color: #fff; }
.svb-dot.done   { background: var(--svb-accent);  color: #fff; }

.svb-line {
  flex: 1; height: 2px;
  background: var(--svb-border);
  transition: background .3s;
}
.svb-line.active { background: var(--svb-accent); }

.svb-header h2 {
  font-family: var(--svb-font-head);
  font-size: 26px;
  font-weight: 400;
  margin: 0 0 6px;
}
.svb-header p {
  color: var(--svb-muted);
  font-size: 15px;
  margin: 0;
}

/* ── Calendar ── */
.svb-calendar-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.svb-calendar-nav button {
  background: var(--svb-surface);
  border: 1px solid var(--svb-border);
  border-radius: 8px;
  width: 38px; height: 38px;
  cursor: pointer;
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, border-color .2s;
}
.svb-calendar-nav button:hover {
  background: var(--svb-primary-lt);
  border-color: var(--svb-primary);
}

#svb-month-label {
  font-weight: 600;
  font-size: 17px;
}

.svb-calendar-grid {
  background: var(--svb-surface);
  border: 1px solid var(--svb-border);
  border-radius: var(--svb-radius);
  overflow: hidden;
  box-shadow: var(--svb-shadow);
}

.svb-day-names {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  background: var(--svb-primary);
}
.svb-day-names span {
  text-align: center;
  padding: 10px 0;
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,.85);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.svb-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background: var(--svb-border);
}

.svb-day {
  background: var(--svb-surface);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  position: relative;
  transition: background .15s;
  min-height: 48px;
}
.svb-day:hover:not(.svb-day-other):not(.svb-day-past):not(.svb-day-full) {
  background: var(--svb-primary-lt);
  color: var(--svb-primary);
}
.svb-day.svb-day-other { color: #ccc; cursor: default; }
.svb-day.svb-day-past  { color: #ccc; cursor: not-allowed; background: #fafafa; }
.svb-day.svb-day-full  { background: var(--svb-full); color: #c0392b; cursor: not-allowed; }
.svb-day.svb-day-partial { background: var(--svb-partial); }
.svb-day.svb-day-selected {
  background: var(--svb-primary) !important;
  color: #fff !important;
  font-weight: 700;
}
.svb-day.svb-day-today::after {
  content: '';
  position: absolute;
  bottom: 5px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--svb-accent);
}

.svb-legend {
  display: flex;
  gap: 20px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.svb-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--svb-muted);
}
.svb-badge {
  display: inline-block;
  width: 14px; height: 14px;
  border-radius: 3px;
}
.svb-badge.available { background: var(--svb-primary-lt); border: 1px solid var(--svb-primary); }
.svb-badge.partial   { background: var(--svb-partial);    border: 1px solid var(--svb-accent); }
.svb-badge.full      { background: var(--svb-full);       border: 1px solid #c0392b; }

/* ── Time Slots ── */
.svb-slots {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.svb-slot-btn {
  background: var(--svb-surface);
  border: 2px solid var(--svb-border);
  border-radius: var(--svb-radius);
  padding: 18px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  transition: border-color .2s, background .2s, box-shadow .2s;
  font-family: var(--svb-font-body);
}
.svb-slot-btn:hover:not(:disabled) {
  border-color: var(--svb-primary);
  background: var(--svb-primary-lt);
  box-shadow: 0 2px 12px rgba(26,92,58,.12);
}
.svb-slot-btn:disabled {
  opacity: .45;
  cursor: not-allowed;
  text-decoration: line-through;
}
.svb-slot-btn.svb-selected {
  border-color: var(--svb-primary);
  background: var(--svb-primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(26,92,58,.25);
}

.svb-slot-time { font-weight: 600; font-size: 16px; }
.svb-slot-duration { font-size: 13px; color: var(--svb-muted); }
.svb-slot-btn.svb-selected .svb-slot-duration { color: rgba(255,255,255,.75); }

/* ── Form ── */
.svb-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.svb-field { display: flex; flex-direction: column; gap: 6px; }
.svb-field.svb-full { grid-column: 1 / -1; }

.svb-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--svb-text);
  letter-spacing: .02em;
}
.svb-field label span { color: var(--svb-error); margin-left: 2px; }

.svb-field input,
.svb-field textarea {
  font-family: var(--svb-font-body);
  font-size: 15px;
  padding: 11px 14px;
  border: 1.5px solid var(--svb-border);
  border-radius: 8px;
  background: var(--svb-surface);
  color: var(--svb-text);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
  width: 100%;
  box-sizing: border-box;
}
.svb-field input:focus,
.svb-field textarea:focus {
  border-color: var(--svb-primary);
  box-shadow: 0 0 0 3px rgba(26,92,58,.12);
}
.svb-field textarea { resize: vertical; min-height: 80px; }

/* ── Buttons ── */
.svb-btn {
  font-family: var(--svb-font-body);
  font-size: 15px;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all .2s;
}
.svb-btn-primary {
  background: var(--svb-primary);
  color: #fff;
  border-color: var(--svb-primary);
}
.svb-btn-primary:hover { background: #14472d; border-color: #14472d; }
.svb-btn-ghost {
  background: transparent;
  color: var(--svb-muted);
  border-color: var(--svb-border);
}
.svb-btn-ghost:hover { border-color: var(--svb-primary); color: var(--svb-primary); }

.svb-form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ── Spinner ── */
.svb-spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: svbSpin .6s linear infinite;
}
@keyframes svbSpin { to { transform: rotate(360deg); } }

/* ── Error ── */
.svb-error {
  background: #fdf0ef;
  border: 1px solid #e8b4b0;
  border-radius: 8px;
  color: var(--svb-error);
  padding: 12px 16px;
  font-size: 14px;
  margin-bottom: 16px;
}

/* ── Success screen ── */
.svb-success-screen {
  text-align: center;
  padding: 60px 40px !important;
}
.svb-success-icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--svb-primary);
  color: #fff;
  font-size: 32px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px;
  animation: svbPop .4s cubic-bezier(.34,1.56,.64,1);
}
@keyframes svbPop {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
.svb-success-screen h2 {
  font-family: var(--svb-font-head);
  font-size: 28px; font-weight: 400;
  margin: 0 0 12px;
}
.svb-success-screen p {
  color: var(--svb-muted);
  font-size: 15px;
  max-width: 400px;
  margin: 0 auto 8px;
  line-height: 1.6;
}
.svb-success-sub { margin-bottom: 28px !important; }

/* ── Responsive ── */
@media (max-width: 600px) {
  .svb-step { padding: 24px 20px; }
  .svb-form-grid { grid-template-columns: 1fr; }
  .svb-field.svb-full { grid-column: 1; }
  .svb-header h2 { font-size: 22px; }
  .svb-slot-btn { padding: 14px 16px; }
  .svb-form-actions { flex-direction: column-reverse; gap: 10px; }
  .svb-form-actions .svb-btn { width: 100%; justify-content: center; }
}