/**
 * MY BOCA SMILE - REUSABLE COMPONENT LIBRARY
 * Built on design-tokens.css
 */

/* ==========================================================================
   BASE RESETS & GLOBAL TYPOGRAPHY
   ========================================================================== */
html {
  box-sizing: border-box;
  overflow-x: clip;
  max-width: 100vw;
  width: 100%;
  -webkit-text-size-adjust: 100%;
}

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

body {
  font-family: var(--font-family-body);
  font-size: var(--text-body);
  color: var(--text-main);
  background-color: var(--bg-app);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
  max-width: 100vw;
  width: 100%;
}

img, svg, video, iframe, canvas {
  max-width: 100%;
  height: auto;
}

h1, h2, h3, h4, .font-display {
  font-family: var(--font-family-display);
  font-weight: var(--weight-bold);
  color: var(--text-main);
  line-height: var(--leading-tight);
}

a {
  color: var(--color-primary-700);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-primary-900);
}

/* ==========================================================================
   1. BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-family-body);
  font-size: var(--text-small);
  font-weight: var(--weight-semibold);
  line-height: 1;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
}

.btn:disabled, .btn.disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary Teal */
.btn-primary {
  background-color: var(--color-primary-400);
  color: var(--color-neutral-900);
  border-color: var(--color-primary-400);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background-color: var(--color-primary-500);
  border-color: var(--color-primary-500);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: translateY(0);
}

/* Secondary Dark Charcoal */
.btn-secondary {
  background-color: var(--color-neutral-800);
  color: var(--color-white);
  border-color: var(--color-neutral-800);
}
.btn-secondary:hover {
  background-color: var(--color-neutral-900);
  border-color: var(--color-neutral-900);
}

/* Outline Teal */
.btn-outline {
  background-color: transparent;
  color: var(--color-primary-800);
  border-color: var(--color-primary-400);
}
.btn-outline:hover {
  background-color: var(--color-teal-tint-soft);
  border-color: var(--color-primary-600);
}

/* Prominent Brand Action (Bill Pay / Primary Outline) */
.btn-outline-primary,
.btn-bill-pay {
  background-color: var(--color-primary-400);
  color: var(--color-neutral-900);
  border: 1.5px solid var(--color-primary-500);
  font-weight: var(--weight-bold);
  box-shadow: 0 2px 6px rgba(35, 101, 111, 0.18);
  transition: all var(--transition-fast);
}
.btn-outline-primary:hover,
.btn-bill-pay:hover {
  background-color: var(--color-primary-500);
  color: var(--color-neutral-900);
  border-color: var(--color-primary-600);
  box-shadow: 0 4px 12px rgba(35, 101, 111, 0.25);
  transform: translateY(-1px);
}

/* Outline Neutral / White Card Action */
.btn-outline-neutral {
  background-color: var(--color-white);
  color: var(--color-neutral-700);
  border-color: var(--color-neutral-300);
}
.btn-outline-neutral:hover {
  background-color: var(--color-neutral-50);
  border-color: var(--color-neutral-400);
  color: var(--color-neutral-900);
}

/* Ghost / Text Button */
.btn-ghost {
  background-color: transparent;
  color: var(--color-neutral-700);
  border-color: transparent;
}
.btn-ghost:hover {
  background-color: var(--color-neutral-100);
  color: var(--color-neutral-900);
}

/* Danger */
.btn-danger {
  background-color: #fee2e2;
  color: #991b1b;
  border-color: #fecaca;
}
.btn-danger:hover {
  background-color: #fecaca;
}

/* Sizes */
.btn-sm {
  padding: 0.5rem 0.875rem;
  font-size: var(--text-caption);
  border-radius: var(--radius-sm);
}
.btn-lg {
  padding: 0.95rem 1.75rem;
  font-size: var(--text-body);
  border-radius: var(--radius-md);
}
.btn-full {
  width: 100%;
}

/* ==========================================================================
   2. FORM CONTROLS (Inputs, Selects, Radios, Checkboxes)
   ========================================================================== */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.form-label {
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  font-family: var(--font-family-body);
  font-size: var(--text-small);
  color: var(--text-main);
  background-color: var(--color-white);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-primary-500);
  box-shadow: var(--shadow-brand-glow);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-muted);
}

.form-input.is-error, .form-select.is-error {
  border-color: var(--status-error-text);
  background-color: #fffafb;
}

.form-error-msg {
  font-size: var(--text-caption);
  color: var(--status-error-text);
  margin-top: 2px;
}

/* Custom Checkbox & Radio */
.control-label {
  display: inline-flex;
  align-items: flex-start;
  gap: var(--space-xs);
  font-size: var(--text-small);
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.control-input {
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.125rem;
  accent-color: var(--color-primary-600);
  cursor: pointer;
}

/* ==========================================================================
   3. STATUS BADGES
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  font-size: var(--text-caption);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.02em;
  line-height: 1;
  text-transform: capitalize;
}

.badge-requested   { background-color: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.badge-confirmed   { background-color: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.badge-pending     { background-color: #e0f2fe; color: #075985; border: 1px solid #bae6fd; }
.badge-completed   { background-color: var(--color-teal-tint-soft); color: var(--color-primary-800); border: 1px solid var(--color-primary-300); }
.badge-cancelled   { background-color: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.badge-no-show     { background-color: #f1f5f9; color: #475569; border: 1px solid #cbd5e1; }
.badge-rescheduled { background-color: #f5f3ff; color: #5b21b6; border: 1px solid #ddd6fe; }

/* Status Dot Indicator */
.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background-color: currentColor;
}

/* ==========================================================================
   4. CARDS & CONTAINERS
   ========================================================================== */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-primary-300);
  box-shadow: var(--shadow-md);
}

.card-clickable {
  cursor: pointer;
}
.card-clickable:hover {
  transform: translateY(-2px);
}

/* ==========================================================================
   BOOKING WIZARD & SELECTION CARDS
   ========================================================================== */
.card-selectable {
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background-color: var(--color-white);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  user-select: none;
}
.card-selectable:hover {
  border-color: var(--color-primary-300);
  background-color: var(--color-neutral-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.card-selectable.is-selected {
  border-color: var(--color-primary-500);
  background-color: var(--color-teal-tint-subtle);
  box-shadow: var(--shadow-brand-glow);
}

/* Location Choice Card (Step 1) */
.location-choice-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}
.location-choice-card .choice-thumb {
  width: 90px;
  height: 80px;
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: var(--shadow-xs);
  background-color: var(--color-neutral-100);
}
.location-choice-card .choice-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.location-choice-card .choice-meta {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.location-choice-card .choice-name-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}
.location-choice-card .choice-name-row strong {
  font-size: 1.05rem;
  font-weight: var(--weight-semibold);
  color: var(--color-neutral-900);
}
.choice-address {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin: 0;
}

/* Radio Indicator */
.radio-check {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-neutral-300);
  background-color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: var(--weight-bold);
  color: var(--color-white);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}
.card-selectable.is-selected .radio-check {
  background-color: var(--color-primary-500);
  border-color: var(--color-primary-500);
  color: var(--color-white);
}

/* Service Choice Card (Step 2) */
.service-choice-card {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  background-color: var(--color-white);
  border: 2px solid var(--border-subtle);
  margin-bottom: var(--space-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.service-choice-card:hover {
  border-color: var(--color-primary-300);
  background-color: var(--color-neutral-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.service-choice-card.is-selected {
  border-color: var(--color-primary-500);
  background-color: var(--color-teal-tint-subtle);
  box-shadow: var(--shadow-brand-glow);
}
.service-choice-card strong {
  font-size: 1rem;
  font-weight: var(--weight-semibold);
  color: var(--color-neutral-900);
}

/* Provider Choice Card (Step 3) */
.provider-choice-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  background-color: var(--color-white);
  border: 2px solid var(--border-subtle);
  margin-bottom: var(--space-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.provider-choice-card:hover {
  border-color: var(--color-primary-300);
  background-color: var(--color-neutral-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.provider-choice-card.is-selected {
  border-color: var(--color-primary-500);
  background-color: var(--color-teal-tint-subtle);
  box-shadow: var(--shadow-brand-glow);
}
.provider-choice-avatar {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid var(--color-neutral-200);
  background-color: var(--color-teal-tint-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-primary-700);
  box-shadow: var(--shadow-xs);
}
.provider-choice-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}
.card-selectable.is-selected .provider-choice-avatar {
  border-color: var(--color-primary-500);
}
.provider-choice-card strong {
  font-size: 1rem;
  font-weight: var(--weight-semibold);
  color: var(--color-neutral-900);
}

/* Booking Wizard Container */
.booking-wizard-card {
  max-width: 820px;
  margin: 0 auto;
  padding: var(--space-2xl);
  width: 100%;
}

/* Booking Form Step 4 Layout & Responsive */
.booking-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.booking-schedule-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-md);
}

.sms-consent-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: var(--space-lg);
}

.sms-consent-row input[type="checkbox"] {
  width: 20px;
  height: 20px;
  min-width: 20px;
  margin-top: 3px;
  border-radius: var(--radius-sm);
  accent-color: var(--color-primary-600);
  cursor: pointer;
}

.sms-consent-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.45;
  cursor: pointer;
}

/* Pre-screening Question Row (Step 1) */
.booking-prescreen-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  background-color: var(--color-neutral-50);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
}

.prescreen-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.prescreen-label {
  font-size: 0.95rem;
  font-weight: var(--weight-semibold);
  color: var(--color-neutral-900);
}

.prescreen-options {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.prescreen-radio-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: var(--weight-medium);
  color: var(--color-neutral-800);
  user-select: none;
}

.prescreen-radio-item input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary-600);
  cursor: pointer;
  margin: 0;
}

@media (max-width: 640px) {
  .booking-wizard-card {
    padding: var(--space-lg) var(--space-md) !important;
  }
  .booking-prescreen-row {
    grid-template-columns: 1fr !important;
    gap: var(--space-md);
    padding: var(--space-md);
  }
  .booking-form-grid {
    grid-template-columns: 1fr !important;
  }
  .booking-schedule-row {
    grid-template-columns: 1fr !important;
    gap: var(--space-md);
  }
  .location-choice-card {
    gap: var(--space-sm);
    padding: var(--space-sm);
  }
  .choice-thumb {
    width: 72px !important;
    height: 72px !important;
  }
  .choice-name-row strong {
    font-size: 0.95rem;
  }
  .stepper {
    gap: 6px;
    margin-bottom: var(--space-lg);
  }
  .step-line {
    width: 20px;
  }
}

/* ==========================================================================
   5. SPECIALIZED HEALTHCARE CARDS
   ========================================================================== */

/* Service Card (Services Directory) */
.service-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
}
.service-card:hover {
  background-color: var(--color-teal-tint-subtle);
  border-color: var(--color-primary-300);
  transform: translateX(3px);
}
.service-card-info {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.service-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--color-teal-tint-soft);
  color: var(--color-primary-800);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Doctor Profile Card */
.doctor-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background-color: var(--color-white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
}
.doctor-avatar {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 3px solid var(--color-primary-200);
  margin-bottom: var(--space-md);
}

/* Location Card */
.location-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.location-img-wrap {
  width: 100%;
  height: 160px;
  background-color: var(--color-neutral-200);
  overflow: hidden;
}
.location-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.location-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* Appointment Card (Patient Dashboard Next Appointment) */
.appointment-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-primary-200);
  border-left: 4px solid var(--color-primary-500);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   6. ALERTS & CALLOUTS
   ========================================================================== */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--text-small);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-md);
}
.alert-success { background-color: var(--status-success-bg); color: var(--status-success-text); border: 1px solid var(--status-success-border); }
.alert-warning { background-color: var(--status-warning-bg); color: var(--status-warning-text); border: 1px solid var(--status-warning-border); }
.alert-info    { background-color: var(--status-info-bg); color: var(--status-info-text); border: 1px solid var(--status-info-border); }
.alert-error   { background-color: var(--status-error-bg); color: var(--status-error-text); border: 1px solid var(--status-error-border); }

/* ==========================================================================
   7. MODALS & DIALOGS
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}
.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  max-width: 540px;
  width: 100%;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: translateY(12px) scale(0.98);
  transition: transform var(--transition-base);
}
.modal-backdrop.is-open .modal-dialog {
  transform: translateY(0) scale(1);
}
.modal-header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-neutral-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-body {
  padding: var(--space-lg);
}
.modal-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-neutral-200);
  background-color: var(--color-neutral-50);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

/* ==========================================================================
   8. DATA TABLES (Admin & Staff Ledgers)
   ========================================================================== */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-lg);
  background-color: var(--color-white);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: var(--text-small);
}

.data-table th {
  background-color: var(--color-neutral-50);
  padding: 0.875rem 1.25rem;
  font-weight: var(--weight-semibold);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--color-neutral-200);
  white-space: nowrap;
}

.data-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-neutral-200);
  color: var(--text-main);
  vertical-align: middle;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr:hover {
  background-color: var(--color-neutral-25);
}

/* ==========================================================================
   9. TABS & STEPPERS
   ========================================================================== */
.tab-list {
  display: flex;
  gap: var(--space-xs);
  border-bottom: 1px solid var(--color-neutral-200);
  margin-bottom: var(--space-lg);
}

.tab-btn {
  padding: 0.75rem 1.25rem;
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.tab-btn:hover {
  color: var(--text-main);
}
.tab-btn.is-active {
  color: var(--color-primary-800);
  border-bottom-color: var(--color-primary-400);
  font-weight: var(--weight-semibold);
}

/* Stepper (Booking Steps 1-5) */
.stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}
.step-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.step-circle {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-caption);
  font-weight: var(--weight-bold);
  background-color: var(--color-neutral-100);
  color: var(--text-secondary);
  border: 1px solid var(--color-neutral-300);
}
.step-item.is-active .step-circle {
  background-color: var(--color-primary-400);
  color: var(--color-neutral-900);
  border-color: var(--color-primary-400);
}
.step-item.is-completed .step-circle {
  background-color: var(--color-primary-800);
  color: var(--color-white);
  border-color: var(--color-primary-800);
}
.step-line {
  width: 36px;
  height: 2px;
  background-color: var(--color-neutral-200);
}
.step-item.is-completed + .step-line {
  background-color: var(--color-primary-400);
}

/* ==========================================================================
   10. MOBILE BOTTOM NAVIGATION (Patient App View)
   ========================================================================== */
.mobile-nav-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-neutral-200);
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: var(--z-sticky);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.03);
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  color: var(--color-neutral-500);
  font-size: var(--text-micro);
  font-weight: var(--weight-medium);
  text-decoration: none;
  cursor: pointer;
}
.mobile-nav-item.is-active {
  color: var(--color-primary-700);
  font-weight: var(--weight-semibold);
}

/* ==========================================================================
   11. SKELETONS, EMPTY STATES & TOASTS
   ========================================================================== */
.skeleton {
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
}
.empty-state-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background-color: var(--color-neutral-100);
  color: var(--color-neutral-400);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

/* Toast Container */
.toast-container {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  z-index: var(--z-toast);
}
.toast {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background-color: var(--color-neutral-900);
  color: var(--color-white);
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-small);
  animation: toast-slide-in 0.25s ease-out;
}
@keyframes toast-slide-in {
  from { transform: translateY(16px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

/* ==========================================================================
   12. UNIVERSAL MOBILE STACK ARCHITECTURE (@media max-width: 768px)
   Enforces clean vertical stacking across all components & avoids horizontal overflow
   ========================================================================== */
.comp-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.comp-grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.form-row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

@media (max-width: 768px) {
  /* 1. Global Box Sizing & Overflow Protection */
  html, body {
    overflow-x: clip !important;
    max-width: 100vw !important;
    width: 100% !important;
  }

  /* 2. Universal Grid Stacking Method */
  .comp-grid,
  .comp-grid-2col,
  .comp-grid-3col,
  .form-row-2col,
  .form-grid-2,
  .service-detail-layout,
  .doctor-detail-layout,
  .footer-top-grid,
  .services-catalog-grid,
  .choice-grid,
  [style*="grid-template-columns:1fr 1fr"],
  [style*="grid-template-columns: 1fr 1fr"],
  [style*="grid-template-columns: repeat"],
  [style*="grid-template-columns:repeat"] {
    grid-template-columns: 1fr !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Form row grids & paired inputs stack */
  form [style*="grid-template-columns"],
  .form-row,
  .form-group-row {
    grid-template-columns: 1fr !important;
    width: 100% !important;
  }

  /* 3. Containers & Card Containment */
  .public-container,
  .container,
  .page-hero-inner,
  .page-hero,
  .card,
  .service-card,
  .service-card-full,
  .doctor-card,
  .location-card {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow-wrap: break-word !important;
    word-break: break-word !important;
  }

  .public-container {
    padding-left: var(--space-md) !important;
    padding-right: var(--space-md) !important;
    overflow-x: hidden !important;
  }

  /* 4. Action Buttons & CTA Group Stacking */
  .hero-cta-group,
  .hero-actions,
  .btn-group,
  .modal-actions,
  .actions-row {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    gap: 10px !important;
    align-items: stretch !important;
  }

  .hero-cta-group .btn,
  .hero-actions .btn,
  .btn-group .btn,
  .modal-actions .btn {
    width: 100% !important;
    max-width: 100% !important;
  }

  /* 5. Button Text Wrapping Safety */
  .btn {
    white-space: normal !important;
    text-align: center !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    word-break: break-word !important;
  }

  /* 6. Footer Layout Stacking */
  .footer-bottom-row {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 12px !important;
  }

  .footer-bottom-row > div {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 8px 14px !important;
  }
}