html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

/* ==========================================================================
   Off-canvas vertical sidebar layout
   ========================================================================== */
:root {
  --clinic-bg: #f4f6f9;
  --clinic-surface: #ffffff;
  --clinic-border: #e7eaf0;
  --clinic-text-muted: #6b7280;
  --clinic-radius: 0.75rem;
  --brand-teal: #17a2b8;
  --brand-purple: #6c63ff;
  --brand-gradient: linear-gradient(135deg, var(--brand-teal) 0%, var(--brand-purple) 100%);
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 78px;
}

body {
  background-color: var(--clinic-bg);
}

.app-wrapper {
  display: flex;
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 1030;
}

.sidebar-toggle {
  background: transparent;
  border: none;
  color: inherit;
  font-size: 1.4rem;
  line-height: 1;
  padding: 0.25rem 0.5rem;
  border-radius: 0.5rem;
  transition: background-color 0.15s ease-in-out;
}

.sidebar-collapse-btn {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
  line-height: 1;
  padding: 0.35rem 0.5rem;
  border-radius: 0.5rem;
  transition: background-color 0.15s ease-in-out, transform 0.2s ease-in-out;
  display: none;
}

.sidebar-collapse-btn:hover {
  background-color: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.sidebar-toggle:hover {
  background-color: rgba(0, 0, 0, 0.06);
}

.sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  width: var(--sidebar-width);
  overflow-y: auto;
  overflow-x: hidden;
  transform: translateX(-100%);
  transition: transform 0.25s ease-in-out, width 0.2s ease-in-out;
  z-index: 1040;
}

html[dir="rtl"] .sidebar {
  left: auto;
  right: 0;
  transform: translateX(100%);
}

.sidebar.open {
  transform: translateX(0);
}

.sidebar.no-transition {
  transition: none !important;
}

.sidebar .nav-link {
  color: rgba(255, 255, 255, 0.75);
  padding: 0.6rem 1rem;
  border-radius: 0.5rem;
  margin: 0.1rem 0.6rem;
  font-size: 0.95rem;
  transition: background-color 0.15s ease-in-out, color 0.15s ease-in-out;
}

.sidebar .nav-link i {
  width: 1.25rem;
  text-align: center;
  margin-inline-end: 0.65rem;
  font-size: 1.05rem;
}

.sidebar .nav-link:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.08);
}

.sidebar .nav-link.active {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.14);
  font-weight: 600;
}

.sidebar .nav-item .dropdown-menu {
  position: static;
  background-color: transparent;
  border: none;
  padding-left: 1rem;
}

.sidebar .nav-item .dropdown-menu .dropdown-item {
  color: rgba(255, 255, 255, 0.75);
}

.sidebar .nav-item .dropdown-menu .dropdown-item:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.1);
}

.sidebar .sidebar-collapse-toggle {
  display: flex;
  align-items: center;
}

.sidebar .sidebar-caret {
  transition: transform 0.2s ease-in-out;
  font-size: 0.75rem;
  opacity: 0.8;
}

.sidebar .sidebar-collapse-toggle[aria-expanded="true"] .sidebar-caret {
  transform: rotate(180deg);
}

.sidebar .sidebar-submenu {
  padding-left: 1.25rem;
  background-color: transparent;
  margin: 0.1rem 0.6rem 0.4rem;
  border-inline-start: 2px solid rgba(255, 255, 255, 0.12);
}

.sidebar .sidebar-submenu .nav-link {
  padding: 0.45rem 0.85rem;
  font-size: 0.875rem;
  margin: 0.05rem 0;
  color: rgba(255, 255, 255, 0.65);
}

.sidebar .sidebar-submenu hr.dropdown-divider {
  border-color: rgba(255, 255, 255, 0.12);
  margin: 0.35rem 0.85rem;
}

.sidebar-brand {
  color: #fff;
  padding: 1.1rem 1.25rem;
  font-weight: 700;
  font-size: 1.05rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  letter-spacing: 0.02em;
}

.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  z-index: 1035;
  display: none;
}

.sidebar-overlay.show {
  display: block;
}

.app-content {
  flex: 1 1 auto;
  min-width: 0;
  transition: margin 0.25s ease-in-out;
}

/* Persistent sidebar on desktop: no more overlay/hidden behavior on large screens */
@media (min-width: 992px) {
  .sidebar {
    transform: translateX(0) !important;
  }

  .app-content {
    margin-inline-start: var(--sidebar-width);
  }

  .sidebar-overlay {
    display: none !important;
  }

  .sidebar-toggle {
    display: none;
  }

  .sidebar-collapse-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  /* Collapsed (icon-only) sidebar state, toggled via body.sidebar-collapsed */
  body.sidebar-collapsed {
    --sidebar-width: var(--sidebar-collapsed-width);
  }

  body.sidebar-collapsed .sidebar-brand span.sidebar-brand-text,
  body.sidebar-collapsed .sidebar .nav-link span,
  body.sidebar-collapsed .sidebar .sidebar-caret {
    display: none;
  }

  body.sidebar-collapsed .sidebar-brand {
    justify-content: center;
    padding-inline: 0.5rem;
  }

  body.sidebar-collapsed .sidebar .nav-link {
    justify-content: center;
    padding-inline: 0;
    margin-inline: 0.5rem;
  }

  body.sidebar-collapsed .sidebar .nav-link i {
    margin-inline-end: 0;
    font-size: 1.2rem;
  }

  body.sidebar-collapsed .sidebar .sidebar-submenu {
    display: none !important;
  }

  body.sidebar-collapsed .sidebar-collapse-btn i {
    transform: rotate(180deg);
  }

  html[dir="rtl"] body.sidebar-collapsed .sidebar-collapse-btn i {
    transform: rotate(0deg);
  }
}

/* ==========================================================================
   Modern surfaces: cards, stat tiles, page headers
   ========================================================================== */
.card {
  border-radius: var(--clinic-radius);
}

.card.shadow-sm {
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.05) !important;
}

.stat-card .stat-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.9rem;
  font-size: 1.4rem;
}

.stat-card .stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.stat-card .stat-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--clinic-text-muted);
}

.page-header-title {
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* ==========================================================================
   Doctor workspace theme (modern teal/purple, matches the landing page)
   ========================================================================== */
.doctor-sidebar {
  background: linear-gradient(180deg, #12232e 0%, #17384a 55%, #241b4d 100%);
}

.doctor-sidebar .sidebar-brand {
  background: rgba(0, 0, 0, 0.15);
}

.doctor-sidebar .sidebar-brand i {
  color: var(--brand-teal);
}

.doctor-sidebar .nav-link.active,
.doctor-sidebar .sidebar-collapse-toggle[aria-expanded="true"] {
  background-color: rgba(108, 99, 255, 0.2);
  color: #fff;
  box-shadow: inset 3px 0 0 var(--brand-purple);
}

html[dir="rtl"] .doctor-sidebar .nav-link.active,
html[dir="rtl"] .doctor-sidebar .sidebar-collapse-toggle[aria-expanded="true"] {
  box-shadow: inset -3px 0 0 var(--brand-purple);
}

.doctor-topbar {
  background-color: var(--clinic-surface) !important;
  border-bottom: 3px solid transparent;
  border-image: var(--brand-gradient) 1;
}

.doctor-topbar .navbar-brand,
.doctor-topbar .nav-link {
  color: #1f2937 !important;
}

.doctor-topbar .navbar-brand i {
  color: var(--brand-teal);
}

.doctor-topbar .nav-link:hover {
  color: var(--brand-purple) !important;
}

.doctor-topbar .dropdown-toggle::after {
  vertical-align: middle;
}