/* Online booking — public patient UI */

:root {
  --ob-primary: #0084ff;
  --ob-primary-dark: #0066cc;
  --ob-bg: #f0f4f8;
  --ob-card: #ffffff;
  --ob-text: #1e293b;
  --ob-muted: #64748b;
  --ob-border: #e2e8f0;
  --ob-success: #16a34a;
  --ob-warn: #d97706;
  --ob-radius: 14px;
  --ob-shadow: 0 8px 32px rgba(15, 23, 42, 0.08);
  --ob-font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  min-height: 100%;
  font-family: var(--ob-font);
  background: var(--ob-bg);
  color: var(--ob-text);
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px 48px;
}

.ob-wrap {
  width: 100%;
  max-width: 520px;
}

/* ── Header (clinic branding) ─────────────────────────────── */
.ob-header {
  background: linear-gradient(135deg, var(--ob-primary) 0%, #00a8ff 100%);
  color: #fff;
  border-radius: var(--ob-radius) var(--ob-radius) 0 0;
  padding: 28px 24px 22px;
  text-align: center;
  box-shadow: var(--ob-shadow);
}

.ob-header h1 {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.ob-header .ob-clinic-meta {
  font-size: 0.82rem;
  opacity: 0.92;
  line-height: 1.55;
}

.ob-header .ob-banana {
  font-size: 2rem;
  margin-bottom: 8px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.15));
}

/* ── Card body ────────────────────────────────────────────── */
.ob-card {
  background: var(--ob-card);
  border-radius: 0 0 var(--ob-radius) var(--ob-radius);
  padding: 28px 24px 32px;
  box-shadow: var(--ob-shadow);
  border: 1px solid var(--ob-border);
  border-top: none;
}

.ob-step { display: none; }
.ob-step.active { display: block; }

.ob-step-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--ob-text);
}

.ob-soft-hint {
  font-size: 0.88rem;
  color: var(--ob-muted);
  line-height: 1.5;
  margin-bottom: 18px;
  padding: 10px 12px;
  background: #f0f9ff;
  border-radius: 8px;
  border: 1px solid #bae6fd;
}

.ob-mini-note {
  margin: 0 0 16px;
  border: 1px solid #fde68a;
  border-radius: 10px;
  background: #fffbeb;
  overflow: hidden;
}

.ob-mini-note-summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  font-size: 0.84rem;
  font-weight: 700;
  color: #92400e;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.ob-mini-note-summary::-webkit-details-marker {
  display: none;
}

.ob-mini-note-summary::after {
  content: '▾';
  margin-left: auto;
  font-size: 0.75rem;
  color: #b45309;
  transition: transform 0.15s ease;
}

.ob-mini-note[open] .ob-mini-note-summary::after {
  transform: rotate(180deg);
}

.ob-mini-note-icon {
  font-size: 0.95rem;
  line-height: 1;
}

.ob-mini-note-body {
  padding: 0 12px 12px;
  font-size: 0.82rem;
  line-height: 1.55;
  color: #78350f;
  border-top: 1px dashed #fcd34d;
}

.ob-mini-note:not([open]) .ob-mini-note-body {
  display: none;
}

.ob-mini-note[open] .ob-mini-note-body {
  padding-top: 10px;
}

/* ── Patient type toggle ───────────────────────────────────── */
.ob-type-toggle {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.ob-type-btn {
  flex: 1;
  padding: 11px 12px;
  border: 2px solid var(--ob-border);
  border-radius: 10px;
  background: #f8fafc;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .18s;
  color: var(--ob-muted);
}

.ob-type-btn.active {
  border-color: var(--ob-primary);
  background: #eff6ff;
  color: var(--ob-primary);
}

/* ── Form fields ───────────────────────────────────────────── */
.ob-field {
  margin-bottom: 16px;
}

.ob-field label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ob-muted);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ob-field label .req { color: #ef4444; }

.ob-field input,
.ob-field select,
.ob-field textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1.5px solid var(--ob-border);
  border-radius: 9px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
  background: #fff;
}

.ob-field input:focus,
.ob-field select:focus {
  outline: none;
  border-color: var(--ob-primary);
  box-shadow: 0 0 0 3px rgba(0, 132, 255, 0.12);
}

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

.ob-phone-wrap {
  display: flex;
  gap: 8px;
}

.ob-phone-prefix {
  flex-shrink: 0;
  padding: 11px 10px;
  background: #f1f5f9;
  border: 1.5px solid var(--ob-border);
  border-radius: 9px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ob-muted);
}

.ob-phone-wrap input { flex: 1; }

/* ── Slot picker ─────────────────────────────────────────────── */
.ob-slots-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ob-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.ob-slots {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 44px;
}

.ob-slot {
  padding: 9px 14px;
  border: 1.5px solid var(--ob-border);
  border-radius: 8px;
  background: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s;
  color: var(--ob-text);
}

.ob-slot:hover { border-color: var(--ob-primary); background: #f0f9ff; }

.ob-slot.selected {
  border-color: var(--ob-primary);
  background: var(--ob-primary);
  color: #fff;
}

.ob-slots-empty,
.ob-slots-loading {
  font-size: 0.88rem;
  color: var(--ob-muted);
  padding: 10px 0;
}

.ob-slots-empty-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px 0 4px;
}

.ob-arrange-hint {
  margin: 0;
  font-size: 0.86rem;
  color: var(--ob-muted);
  line-height: 1.45;
}

.ob-arrange-banner {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 8px 12px;
  border-radius: 8px;
  background: #fff7ed;
  border: 1px dashed #f59e0b;
  color: #b45309;
  font-size: 0.84rem;
  font-weight: 600;
}

/* ── Buttons ───────────────────────────────────────────────── */
.ob-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 13px 22px;
  border: none;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s, transform .1s;
  font-family: inherit;
}

.ob-btn:active { transform: scale(0.98); }

.ob-btn-primary {
  background: var(--ob-primary);
  color: #fff;
  width: 100%;
  margin-top: 8px;
}

.ob-btn-primary:hover { background: var(--ob-primary-dark); }

.ob-btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.ob-btn-ghost {
  background: #fff;
  color: var(--ob-muted);
  border: 1.5px solid var(--ob-border);
}

.ob-btn-row {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* ── Verify overlay ──────────────────────────────────────────── */
.ob-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.ob-overlay.open { display: flex; }

.ob-modal {
  background: #fff;
  border-radius: 12px;
  padding: 28px 26px 22px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
}

.ob-modal h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.ob-modal .ob-help {
  font-size: 0.82rem;
  color: var(--ob-muted);
  margin-top: 12px;
  line-height: 1.5;
}

.ob-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 14px;
  display: none;
}

.ob-error.show { display: block; }

/* ── Confirmation page ───────────────────────────────────────── */
.ob-confirm {
  text-align: center;
  padding: 20px 0 8px;
}

.ob-confirm-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.ob-confirm h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--ob-primary);
  margin-bottom: 20px;
}

.ob-confirm-date {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.ob-confirm-time {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ob-muted);
  margin-bottom: 18px;
}

.ob-confirm-ref {
  font-size: 0.82rem;
  color: var(--ob-muted);
  background: #f1f5f9;
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.ob-confirm-note {
  font-size: 0.88rem;
  color: var(--ob-muted);
  line-height: 1.55;
  max-width: 340px;
  margin: 0 auto;
}

/* ── Loading spinner ─────────────────────────────────────────── */
.ob-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: ob-spin .7s linear infinite;
  vertical-align: middle;
}

@keyframes ob-spin { to { transform: rotate(360deg); } }

.ob-debug-otp {
  margin-top: 10px;
  padding: 8px 12px;
  background: #fffbeb;
  border: 1px dashed #fbbf24;
  border-radius: 8px;
  font-size: 0.82rem;
  color: #92400e;
  display: none;
}

.ob-debug-otp.show { display: block; }

.ob-lang-bar {
  text-align: right;
  margin-bottom: 10px;
}

.ob-lang-btn {
  background: none;
  border: 1px solid var(--ob-border);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 0.78rem;
  cursor: pointer;
  color: var(--ob-muted);
  margin-left: 4px;
}

.ob-lang-btn.active {
  background: var(--ob-primary);
  color: #fff;
  border-color: var(--ob-primary);
}

.ob-cal-hint {
  font-size: 0.82rem;
  color: var(--ob-muted);
  margin-bottom: 10px;
  line-height: 1.45;
}

.ob-cal-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.ob-cal-nav-btn {
  border: 1px solid var(--ob-border);
  background: #fff;
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.9rem;
}

.ob-cal-month-lbl {
  font-weight: 800;
  font-size: 1rem;
  min-width: 90px;
  text-align: center;
}

.ob-cal-grid { margin-bottom: 8px; }

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

.ob-cal-head span {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ob-muted);
}

.ob-cal-empty { min-height: 38px; }

.ob-cal-day {
  min-height: 38px;
  border: 1.5px solid var(--ob-border);
  border-radius: 10px;
  background: #f8fafc;
  color: #94a3b8;
  font-weight: 700;
  font-size: 0.88rem;
  cursor: default;
}

.ob-cal-day--duty {
  background: #eff6ff;
  border-color: #93c5fd;
  color: #1d4ed8;
  cursor: pointer;
}

.ob-cal-day--duty:hover { background: #dbeafe; }

.ob-cal-day--sel {
  background: var(--ob-primary) !important;
  border-color: var(--ob-primary-dark) !important;
  color: #fff !important;
}

.ob-cal-day--off { opacity: 0.45; }

.ob-session-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.ob-session-lbl {
  font-size: 13px;
  font-weight: 700;
  color: #475569;
  margin-right: 4px;
}

.ob-session-btn {
  padding: 8px 14px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #fff;
  font-size: 13px;
  font-weight: 600;
  color: #334155;
  cursor: pointer;
}

.ob-session-btn:hover { border-color: var(--ob-primary); background: #f0f9ff; }

.ob-session-btn.selected {
  border-color: var(--ob-primary);
  background: var(--ob-primary);
  color: #fff;
}

@media (max-width: 480px) {
  .ob-field-row { grid-template-columns: 1fr; }
  body { padding: 12px 10px 32px; }
}