/* =====================================================
   Smart Doctor Booking Pro — Frontend CSS
   Glassmorphism + Neumorphism + Premium Healthcare UI
   ===================================================== */

/* ─── CSS Variables ─────────────────────────────────── */
:root {
  --sdb-primary: #4f46e5;
  --sdb-primary-dark: #3730a3;
  --sdb-secondary: #7c3aed;
  --sdb-accent: #06b6d4;
  --sdb-success: #10b981;
  --sdb-warning: #f59e0b;
  --sdb-danger: #ef4444;
  --sdb-bg: #f0f4f8;
  --sdb-surface: #ffffff;
  --sdb-text: #0f172a;
  --sdb-text-muted: #64748b;
  --sdb-border: #e2e8f0;
  --sdb-radius: 16px;
  --sdb-radius-sm: 8px;
  --sdb-radius-xl: 24px;
  --sdb-shadow: 0 4px 24px rgba(79,70,229,.12);
  --sdb-shadow-lg: 0 12px 40px rgba(79,70,229,.18);
  --sdb-glass-bg: rgba(255,255,255,0.72);
  --sdb-glass-border: rgba(255,255,255,0.45);
  --sdb-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #06b6d4 100%);
  --sdb-gradient-soft: linear-gradient(135deg, #eef2ff 0%, #f5f3ff 100%);
  --sdb-transition: all .3s cubic-bezier(.4,0,.2,1);
  --sdb-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --sdb-bg: #0f172a;
    --sdb-surface: #1e293b;
    --sdb-text: #f1f5f9;
    --sdb-text-muted: #94a3b8;
    --sdb-border: #334155;
    --sdb-glass-bg: rgba(30,41,59,.75);
    --sdb-glass-border: rgba(255,255,255,.1);
    --sdb-gradient-soft: linear-gradient(135deg, #1e1b4b 0%, #1e1b4b 100%);
  }
}
[data-sdb-theme="dark"] {
  --sdb-bg: #0f172a;
  --sdb-surface: #1e293b;
  --sdb-text: #f1f5f9;
  --sdb-text-muted: #94a3b8;
  --sdb-border: #334155;
  --sdb-glass-bg: rgba(30,41,59,.75);
}

/* ─── Base Wrapper ──────────────────────────────────── */
.sdb-wrap { font-family: var(--sdb-font); color: var(--sdb-text); }

/* ─── HERO SEARCH SECTION ──────────────────────────── */
.sdb-hero {
  background: var(--sdb-gradient);
  padding: 80px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.sdb-hero::before {
  content:'';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.sdb-hero__title {
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.sdb-hero__subtitle {
  font-size: 18px;
  color: rgba(255,255,255,.85);
  margin-bottom: 40px;
}
.sdb-hero__search-box {
  display: flex;
  max-width: 680px;
  margin: 0 auto;
  background: var(--sdb-glass-bg);
  backdrop-filter: blur(16px);
  border-radius: 99px;
  border: 1.5px solid var(--sdb-glass-border);
  overflow: hidden;
  box-shadow: var(--sdb-shadow-lg);
}
.sdb-hero__search-box input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 18px 24px;
  font-size: 16px;
  font-family: var(--sdb-font);
  color: var(--sdb-text);
  outline: none;
}
.sdb-hero__search-box button {
  background: var(--sdb-gradient);
  border: none;
  padding: 14px 28px;
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  border-radius: 99px;
  margin: 4px;
  transition: var(--sdb-transition);
}
.sdb-hero__search-box button:hover { transform: scale(1.04); }

.sdb-search-filters {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 20px;
}
.sdb-filter-chip {
  background: rgba(255,255,255,.18);
  border: 1.5px solid rgba(255,255,255,.4);
  color: #fff;
  padding: 8px 18px;
  border-radius: 99px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: var(--sdb-transition);
}
.sdb-filter-chip:hover, .sdb-filter-chip.active {
  background: #fff;
  color: var(--sdb-primary);
}

/* ─── LIVE SEARCH RESULTS ───────────────────────────── */
.sdb-search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0; right: 0;
  background: var(--sdb-surface);
  border-radius: var(--sdb-radius);
  box-shadow: var(--sdb-shadow-lg);
  border: 1px solid var(--sdb-border);
  z-index: 999;
  max-height: 400px;
  overflow-y: auto;
  display: none;
}
.sdb-search-results.active { display: block; animation: sdb-slide-down .2s ease; }
.sdb-search-result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  transition: var(--sdb-transition);
}
.sdb-search-result-item:hover { background: var(--sdb-gradient-soft); }
.sdb-search-result-item img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.sdb-search-result-item .meta { flex: 1; }
.sdb-search-result-item .meta strong { display: block; font-size: 14px; }
.sdb-search-result-item .meta span { font-size: 12px; color: var(--sdb-text-muted); }

/* ─── DOCTOR CARDS ──────────────────────────────────── */
.sdb-doctor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  padding: 32px 0;
}
.sdb-doctor-card {
  background: var(--sdb-surface);
  border-radius: var(--sdb-radius-xl);
  overflow: hidden;
  box-shadow: var(--sdb-shadow);
  transition: var(--sdb-transition);
  border: 1px solid var(--sdb-border);
  position: relative;
}
.sdb-doctor-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sdb-shadow-lg);
}
.sdb-doctor-card__header {
  background: var(--sdb-gradient-soft);
  padding: 28px 20px 12px;
  text-align: center;
  position: relative;
}
.sdb-doctor-card__photo {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #fff;
  box-shadow: 0 4px 16px rgba(79,70,229,.2);
  margin-bottom: 12px;
}
.sdb-doctor-card__photo-placeholder {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: var(--sdb-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 32px;
  font-weight: 800;
  margin: 0 auto 12px;
  border: 4px solid #fff;
  box-shadow: 0 4px 16px rgba(79,70,229,.2);
}
.sdb-doctor-card__name {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
}
.sdb-doctor-card__spec {
  font-size: 13px;
  color: var(--sdb-primary);
  font-weight: 600;
  background: rgba(79,70,229,.1);
  padding: 3px 10px;
  border-radius: 99px;
  display: inline-block;
  margin-bottom: 4px;
}
.sdb-doctor-card__body { padding: 16px 20px 20px; }
.sdb-doctor-card__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}
.sdb-meta-item {
  background: var(--sdb-bg);
  border-radius: var(--sdb-radius-sm);
  padding: 10px;
  text-align: center;
}
.sdb-meta-item .label { font-size: 11px; color: var(--sdb-text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.sdb-meta-item .value { font-size: 15px; font-weight: 700; color: var(--sdb-text); margin-top: 2px; }
.sdb-star-rating { color: #f59e0b; font-size: 13px; margin-bottom: 2px; }
.sdb-doctor-card__actions { display: flex; gap: 10px; }
.sdb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 20px;
  border-radius: 99px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: var(--sdb-transition);
  text-decoration: none;
  border: none;
  font-family: var(--sdb-font);
}
.sdb-btn-primary {
  background: var(--sdb-gradient);
  color: #fff;
  flex: 1;
  box-shadow: 0 4px 12px rgba(79,70,229,.3);
}
.sdb-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(79,70,229,.4); color: #fff; }
.sdb-btn-outline {
  background: transparent;
  border: 2px solid var(--sdb-border);
  color: var(--sdb-text);
}
.sdb-btn-outline:hover { border-color: var(--sdb-primary); color: var(--sdb-primary); }
.sdb-badge-emergency {
  position: absolute;
  top: 12px; right: 12px;
  background: #ef4444;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ─── NURSING HOME CARDS ─────────────────────────────── */
.sdb-nursing-home-card {
  background: var(--sdb-surface);
  border-radius: var(--sdb-radius-xl);
  overflow: hidden;
  box-shadow: var(--sdb-shadow);
  transition: var(--sdb-transition);
  border: 1px solid var(--sdb-border);
}
.sdb-nursing-home-card:hover { transform: translateY(-4px); box-shadow: var(--sdb-shadow-lg); }
.sdb-nursing-home-card__cover {
  height: 180px;
  object-fit: cover;
  width: 100%;
  background: var(--sdb-gradient);
}
.sdb-nursing-home-card__body { padding: 20px; }
.sdb-facility-badges { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0; }
.sdb-facility-badge {
  background: var(--sdb-gradient-soft);
  color: var(--sdb-primary);
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 600;
}
.sdb-facility-badge.available { background: #ecfdf5; color: #10b981; }

/* ─── BOOKING WIZARD ─────────────────────────────────── */
.sdb-booking-wizard {
  max-width: 720px;
  margin: 0 auto;
}
.sdb-steps-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 40px;
  overflow: hidden;
}
.sdb-step-dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--sdb-border);
  color: var(--sdb-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  transition: var(--sdb-transition);
  position: relative;
  z-index: 1;
}
.sdb-step-dot.active { background: var(--sdb-gradient); color: #fff; box-shadow: 0 4px 12px rgba(79,70,229,.4); }
.sdb-step-dot.done { background: var(--sdb-success); color: #fff; }
.sdb-step-line { flex: 1; height: 3px; background: var(--sdb-border); max-width: 80px; transition: var(--sdb-transition); }
.sdb-step-line.done { background: var(--sdb-success); }
.sdb-step-panel { display: none; animation: sdb-fade-in .35s ease; }
.sdb-step-panel.active { display: block; }
.sdb-wizard-card {
  background: var(--sdb-surface);
  border-radius: var(--sdb-radius-xl);
  padding: 36px;
  box-shadow: var(--sdb-shadow);
  border: 1px solid var(--sdb-border);
}
.sdb-wizard-title { font-size: 22px; font-weight: 800; margin-bottom: 8px; }
.sdb-wizard-subtitle { color: var(--sdb-text-muted); margin-bottom: 28px; font-size: 14px; }

/* ─── SLOTS PICKER ───────────────────────────────────── */
.sdb-slots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 10px;
  margin: 16px 0;
}
.sdb-slot {
  padding: 10px 6px;
  border-radius: 10px;
  border: 2px solid var(--sdb-border);
  text-align: center;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: var(--sdb-transition);
  background: var(--sdb-surface);
  color: var(--sdb-text);
}
.sdb-slot:hover:not(.booked):not(.past) {
  border-color: var(--sdb-primary);
  background: rgba(79,70,229,.07);
  color: var(--sdb-primary);
}
.sdb-slot.selected {
  background: var(--sdb-gradient);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 12px rgba(79,70,229,.3);
}
.sdb-slot.booked { background: #fef2f2; color: #ef4444; border-color: #fecaca; cursor: not-allowed; }
.sdb-slot.past   { background: var(--sdb-bg); color: var(--sdb-text-muted); border-color: transparent; cursor: not-allowed; opacity: .6; }
.sdb-slot.locked { background: #fefce8; color: #ca8a04; border-color: #fde68a; cursor: not-allowed; }

/* ─── FORM FIELDS ────────────────────────────────────── */
.sdb-form-group { margin-bottom: 20px; }
.sdb-form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--sdb-text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.sdb-input {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--sdb-border);
  border-radius: var(--sdb-radius-sm);
  font-family: var(--sdb-font);
  font-size: 15px;
  color: var(--sdb-text);
  background: var(--sdb-surface);
  transition: var(--sdb-transition);
  box-sizing: border-box;
}
.sdb-input:focus {
  outline: none;
  border-color: var(--sdb-primary);
  box-shadow: 0 0 0 4px rgba(79,70,229,.12);
}
.sdb-input::placeholder { color: var(--sdb-text-muted); }
.sdb-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ─── UPI PAYMENT SECTION ────────────────────────────── */
.sdb-payment-box {
  background: var(--sdb-gradient-soft);
  border-radius: var(--sdb-radius-xl);
  padding: 32px;
  text-align: center;
  border: 2px dashed var(--sdb-primary);
}
.sdb-qr-code img {
  width: 200px;
  height: 200px;
  border-radius: 16px;
  box-shadow: var(--sdb-shadow);
  margin: 16px auto;
  display: block;
}
.sdb-upi-id {
  background: var(--sdb-surface);
  border-radius: 10px;
  padding: 12px 20px;
  font-family: 'Courier New', monospace;
  font-weight: 700;
  letter-spacing: .05em;
  cursor: pointer;
  display: inline-block;
  margin: 8px 0;
  border: 2px solid var(--sdb-border);
  transition: var(--sdb-transition);
}
.sdb-upi-id:hover { border-color: var(--sdb-primary); }
.sdb-upi-apps { display: flex; gap: 12px; justify-content: center; margin: 16px 0; flex-wrap: wrap; }
.sdb-upi-app-btn {
  background: var(--sdb-surface);
  border: 2px solid var(--sdb-border);
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--sdb-transition);
  display: flex;
  align-items: center;
  gap: 6px;
}
.sdb-upi-app-btn:hover { border-color: var(--sdb-primary); background: rgba(79,70,229,.05); }
.sdb-upload-zone {
  border: 2px dashed var(--sdb-border);
  border-radius: 12px;
  padding: 24px;
  cursor: pointer;
  margin-top: 20px;
  transition: var(--sdb-transition);
  background: var(--sdb-surface);
}
.sdb-upload-zone:hover { border-color: var(--sdb-primary); background: rgba(79,70,229,.04); }
.sdb-upload-zone input { display: none; }

/* ─── PATIENT DASHBOARD ──────────────────────────────── */
.sdb-dashboard {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  padding: 24px 0;
}
.sdb-sidebar {
  background: var(--sdb-surface);
  border-radius: var(--sdb-radius-xl);
  padding: 24px;
  height: fit-content;
  box-shadow: var(--sdb-shadow);
  border: 1px solid var(--sdb-border);
}
.sdb-sidebar__avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--sdb-gradient);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 28px; font-weight: 800;
  margin: 0 auto 12px;
}
.sdb-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--sdb-text-muted);
  cursor: pointer;
  transition: var(--sdb-transition);
  margin-bottom: 4px;
  text-decoration: none;
}
.sdb-nav-link:hover { background: var(--sdb-gradient-soft); color: var(--sdb-primary); }
.sdb-nav-link.active { background: var(--sdb-gradient-soft); color: var(--sdb-primary); }
.sdb-content-area {
  background: var(--sdb-surface);
  border-radius: var(--sdb-radius-xl);
  padding: 28px;
  box-shadow: var(--sdb-shadow);
  border: 1px solid var(--sdb-border);
}
.sdb-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.sdb-stat-card {
  background: var(--sdb-gradient-soft);
  border-radius: var(--sdb-radius);
  padding: 20px;
  text-align: center;
}
.sdb-stat-card .number { font-size: 28px; font-weight: 800; color: var(--sdb-primary); }
.sdb-stat-card .label { font-size: 12px; color: var(--sdb-text-muted); font-weight: 600; margin-top: 4px; }

/* ─── APPOINTMENT LIST ───────────────────────────────── */
.sdb-appointment-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: var(--sdb-radius);
  border: 1.5px solid var(--sdb-border);
  margin-bottom: 12px;
  transition: var(--sdb-transition);
  background: var(--sdb-surface);
}
.sdb-appointment-item:hover { border-color: var(--sdb-primary); background: rgba(79,70,229,.025); }
.sdb-appt-date {
  background: var(--sdb-gradient);
  color: #fff;
  border-radius: 10px;
  width: 52px;
  height: 52px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 800;
  font-size: 13px;
  line-height: 1;
}
.sdb-appt-date .day { font-size: 20px; }
.sdb-appt-info { flex: 1; }
.sdb-appt-info strong { font-size: 15px; font-weight: 700; display: block; }
.sdb-appt-info span { font-size: 13px; color: var(--sdb-text-muted); }
.sdb-status-badge {
  padding: 4px 12px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.sdb-status-badge.pending    { background: #fef3c7; color: #92400e; }
.sdb-status-badge.confirmed  { background: #ecfdf5; color: #065f46; }
.sdb-status-badge.completed  { background: #eff6ff; color: #1e40af; }
.sdb-status-badge.cancelled  { background: #fef2f2; color: #991b1b; }

/* ─── REVIEWS SECTION ───────────────────────────────── */
.sdb-review-card {
  background: var(--sdb-surface);
  border: 1px solid var(--sdb-border);
  border-radius: var(--sdb-radius);
  padding: 20px;
  margin-bottom: 16px;
}
.sdb-review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.sdb-reviewer-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--sdb-gradient);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 16px;
}
.sdb-review-stars { color: #f59e0b; }
.sdb-review-text { font-size: 14px; line-height: 1.6; color: var(--sdb-text-muted); }
.sdb-verified-badge { background: #ecfdf5; color: #065f46; font-size: 10px; font-weight: 700; padding: 2px 8px; border-radius: 99px; }

/* ─── FLOATING ELEMENTS ──────────────────────────────── */
.sdb-whatsapp-float {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 56px; height: 56px;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  box-shadow: 0 4px 16px rgba(37,211,102,.45);
  cursor: pointer;
  transition: var(--sdb-transition);
  z-index: 9999;
  text-decoration: none;
}
.sdb-whatsapp-float:hover { transform: scale(1.12); box-shadow: 0 8px 24px rgba(37,211,102,.55); }
.sdb-call-float {
  position: fixed;
  bottom: 96px; right: 28px;
  width: 56px; height: 56px;
  background: var(--sdb-gradient);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: var(--sdb-shadow-lg);
  cursor: pointer;
  transition: var(--sdb-transition);
  z-index: 9999;
  text-decoration: none;
}
.sdb-call-float:hover { transform: scale(1.12); }

/* ─── CATEGORIES SECTION ─────────────────────────────── */
.sdb-categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
  padding: 24px 0;
}
.sdb-category-card {
  background: var(--sdb-surface);
  border-radius: var(--sdb-radius-xl);
  padding: 24px 16px;
  text-align: center;
  cursor: pointer;
  transition: var(--sdb-transition);
  border: 2px solid var(--sdb-border);
  text-decoration: none;
  color: var(--sdb-text);
}
.sdb-category-card:hover {
  border-color: var(--sdb-primary);
  transform: translateY(-4px);
  box-shadow: var(--sdb-shadow);
  color: var(--sdb-primary);
}
.sdb-category-icon { font-size: 36px; margin-bottom: 10px; }
.sdb-category-name { font-size: 13px; font-weight: 700; }

/* ─── SECTION HEADERS ────────────────────────────────── */
.sdb-section-header { text-align: center; margin-bottom: 32px; }
.sdb-section-header .sdb-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--sdb-primary);
  margin-bottom: 8px;
}
.sdb-section-header h2 { font-size: clamp(22px, 4vw, 36px); font-weight: 800; margin: 0; }
.sdb-section-header p { color: var(--sdb-text-muted); max-width: 540px; margin: 10px auto 0; }

/* ─── CONFIRMATION SCREEN ────────────────────────────── */
.sdb-confirmation {
  text-align: center;
  padding: 48px 32px;
  background: var(--sdb-surface);
  border-radius: var(--sdb-radius-xl);
  box-shadow: var(--sdb-shadow);
}
.sdb-confirmation__icon {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: #ecfdf5;
  color: var(--sdb-success);
  font-size: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.sdb-appt-uid {
  font-size: 28px;
  font-weight: 900;
  color: var(--sdb-primary);
  letter-spacing: .05em;
  margin: 12px 0;
}

/* ─── LOADING / SKELETON ─────────────────────────────── */
.sdb-skeleton {
  background: linear-gradient(90deg, var(--sdb-bg) 25%, var(--sdb-border) 50%, var(--sdb-bg) 75%);
  background-size: 200% 100%;
  animation: sdb-shimmer 1.5s infinite;
  border-radius: 8px;
}
.sdb-loading-overlay {
  position: fixed; inset: 0;
  background: rgba(15,23,42,.45);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999;
  display: none;
}
.sdb-loading-overlay.active { display: flex; }
.sdb-spinner {
  width: 48px; height: 48px;
  border: 4px solid rgba(255,255,255,.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: sdb-spin .8s linear infinite;
}

/* ─── SOCIAL SHARE ───────────────────────────────────── */
.sdb-social-share { display: flex; gap: 8px; flex-wrap: wrap; }
.sdb-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--sdb-transition);
  border: none;
  text-decoration: none;
  color: #fff;
}
.sdb-share-btn.facebook  { background: #1877f2; }
.sdb-share-btn.whatsapp  { background: #25d366; }
.sdb-share-btn.telegram  { background: #2aabee; }
.sdb-share-btn.twitter   { background: #000; }
.sdb-share-btn.linkedin  { background: #0a66c2; }
.sdb-share-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,.2); }

/* ─── SYMPTOM CHECKER ────────────────────────────────── */
.sdb-symptom-checker {
  background: var(--sdb-gradient-soft);
  border-radius: var(--sdb-radius-xl);
  padding: 36px;
}
.sdb-symptoms-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.sdb-symptom-tag {
  background: var(--sdb-surface);
  border: 2px solid var(--sdb-border);
  border-radius: 99px;
  padding: 7px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: var(--sdb-transition);
  font-weight: 600;
}
.sdb-symptom-tag.selected {
  background: var(--sdb-gradient);
  color: #fff;
  border-color: transparent;
}
.sdb-emergency-alert {
  background: #fef2f2;
  border: 2px solid #ef4444;
  border-radius: var(--sdb-radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}
.sdb-emergency-alert__icon { font-size: 28px; }
.sdb-emergency-alert strong { display: block; color: #991b1b; margin-bottom: 4px; }
.sdb-emergency-alert span { font-size: 13px; color: #7f1d1d; }

/* ─── RESPONSIVE ─────────────────────────────────────── */
@media (max-width: 768px) {
  .sdb-dashboard { grid-template-columns: 1fr; }
  .sdb-form-row { grid-template-columns: 1fr; }
  .sdb-hero { padding: 48px 16px; }
  .sdb-wizard-card { padding: 24px 16px; }
  .sdb-doctor-grid { grid-template-columns: 1fr; }
  .sdb-categories-grid { grid-template-columns: repeat(3, 1fr); }
  .sdb-stats-row { grid-template-columns: repeat(2, 1fr); }
  .sdb-whatsapp-float { bottom: 16px; right: 16px; }
  .sdb-call-float { bottom: 84px; right: 16px; }
}

/* ─── ANIMATIONS ─────────────────────────────────────── */
@keyframes sdb-fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes sdb-slide-down {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes sdb-shimmer {
  from { background-position: -200% 0; }
  to   { background-position: 200% 0; }
}
@keyframes sdb-spin {
  to { transform: rotate(360deg); }
}
@keyframes sdb-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .6; }
}
.sdb-animate-in { animation: sdb-fade-in .4s ease both; }
.sdb-pulse { animation: sdb-pulse 2s ease infinite; }