/* ==========================================================================
   Mobile-First Resort Booking Management System - Design System
   Color Theme & Custom App Utilities
   ========================================================================== */

:root {
  --primary: #0F766E;
  --primary-hover: #0D655E;
  --secondary: #14B8A6;
  --accent: #F59E0B;
  --success: #22C55E;
  --danger: #EF4444;
  --bg-main: #F8FAFC;
  --bg-card: #FFFFFF;
  --text-main: #1E293B;
  --text-muted: #64748B;
  --border-color: #E2E8F0;
  --nav-bg: #FFFFFF;
  --shadow-sm: 0 2px 8px rgba(15, 118, 110, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --bottom-nav-height: 65px;
}

[data-theme="dark"] {
  --bg-main: #0F172A;
  --bg-card: #1E293B;
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --border-color: #334155;
  --nav-bg: #1E293B;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
}

/* Comprehensive Dark Mode Contrast Overrides */
[data-theme="dark"] .text-dark {
  color: #F8FAFC !important;
}

[data-theme="dark"] .text-muted {
  color: #94A3B8 !important;
}

[data-theme="dark"] .bg-light {
  background-color: #334155 !important;
  color: #F8FAFC !important;
}

[data-theme="dark"] .btn-light {
  background-color: #334155 !important;
  color: #F8FAFC !important;
  border-color: #475569 !important;
}

[data-theme="dark"] .btn-outline-secondary {
  color: #CBD5E1 !important;
  border-color: #475569 !important;
}

[data-theme="dark"] .input-group-text {
  background-color: #334155 !important;
  color: #CBD5E1 !important;
  border-color: #475569 !important;
}

[data-theme="dark"] .form-control, 
[data-theme="dark"] .form-select {
  background-color: #0F172A !important;
  color: #F8FAFC !important;
  border-color: #475569 !important;
}

[data-theme="dark"] .form-control::placeholder {
  color: #94A3B8 !important;
  opacity: 0.8;
}

[data-theme="dark"] .list-group-item {
  background-color: #1E293B !important;
  color: #F8FAFC !important;
  border-color: #334155 !important;
}

[data-theme="dark"] .list-group-item:not(.active) {
  color: #CBD5E1 !important;
}

[data-theme="dark"] .list-group-item-action:hover:not(.active) {
  background-color: #334155 !important;
  color: #F8FAFC !important;
}

[data-theme="dark"] .table {
  color: #F8FAFC !important;
}

[data-theme="dark"] .table-light,
[data-theme="dark"] .table-light th,
[data-theme="dark"] .table-light td {
  background-color: #334155 !important;
  color: #F8FAFC !important;
  border-color: #475569 !important;
}

[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > * {
  background-color: rgba(255, 255, 255, 0.03) !important;
  color: #F8FAFC !important;
}

[data-theme="dark"] .table-hover > tbody > tr:hover > * {
  background-color: rgba(255, 255, 255, 0.06) !important;
  color: #F8FAFC !important;
}

[data-theme="dark"] .dropdown-menu {
  background-color: #1E293B !important;
  color: #F8FAFC !important;
  border: 1px solid #334155 !important;
}

[data-theme="dark"] .dropdown-item {
  color: #CBD5E1 !important;
}

[data-theme="dark"] .dropdown-item:hover {
  background-color: #334155 !important;
  color: #F8FAFC !important;
}

[data-theme="dark"] .modal-content {
  background-color: #1E293B !important;
  color: #F8FAFC !important;
  border: 1px solid #334155 !important;
}

[data-theme="dark"] .card-custom {
  background-color: #1E293B !important;
  border-color: #334155 !important;
}

[data-theme="dark"] .stat-card {
  background-color: #1E293B !important;
  border-color: #334155 !important;
}

[data-theme="dark"] .stat-val {
  color: #F8FAFC !important;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  margin: 0;
  padding-bottom: calc(var(--bottom-nav-height) + 20px);
  min-height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
}

/* Base Link */
a {
  text-decoration: none;
  color: var(--primary);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: var(--secondary);
  border-radius: 10px;
}

/* Glassmorphism & Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
  padding: 12px 16px;
}

.brand-title {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Mobile Bottom Navigation Bar */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottom-nav-height);
  background-color: var(--nav-bg);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1040;
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.04);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.68rem;
  font-weight: 500;
  padding: 4px 2px;
  flex: 1;
  text-align: center;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease-in-out;
  text-decoration: none !important;
}

.bottom-nav-item i {
  font-size: 1.15rem;
  margin-bottom: 2px;
}

.bottom-nav-item.active,
.bottom-nav-item:hover {
  color: var(--primary);
  transform: translateY(-2px);
}

/* Floating Action Button (FAB) */
.fab-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #ffffff !important;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(15, 118, 110, 0.35);
  margin-top: -24px;
  border: 3px solid var(--nav-bg);
  transition: transform 0.2s ease;
}

.fab-btn:hover {
  transform: scale(1.08);
}

/* Modern Card Layouts */
.card-custom {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  padding: 16px;
  margin-bottom: 16px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-custom:hover {
  box-shadow: var(--shadow-md);
}

/* Metric / Stat Card */
.stat-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px;
  border-radius: var(--radius-md);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.stat-icon.primary { background: rgba(15, 118, 110, 0.12); color: var(--primary); }
.stat-icon.secondary { background: rgba(20, 184, 166, 0.12); color: var(--secondary); }
.stat-icon.warning { background: rgba(245, 158, 11, 0.12); color: var(--accent); }
.stat-icon.success { background: rgba(34, 197, 94, 0.12); color: var(--success); }
.stat-icon.danger { background: rgba(239, 68, 68, 0.12); color: var(--danger); }

.stat-val {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.2;
}

.stat-lbl {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Form Styling & Controls */
.form-control, .form-select {
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.95rem;
}

.form-control:focus, .form-select:focus {
  background-color: var(--bg-card);
  color: var(--text-main);
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.2);
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
}

/* Buttons */
.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
  border-radius: var(--radius-sm);
  font-weight: 600;
  padding: 10px 18px;
}
.btn-primary:hover, .btn-primary:focus {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn-secondary-custom {
  background-color: var(--secondary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
}

/* Badges */
.badge-custom {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 50px;
  text-transform: capitalize;
}

/* Action Buttons Grid */
.quick-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 10px;
  text-align: center;
  color: var(--text-main);
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.quick-action-btn:hover {
  transform: translateY(-3px);
  border-color: var(--secondary);
  color: var(--primary);
  box-shadow: var(--shadow-md);
}

.quick-action-btn i {
  font-size: 1.5rem;
  margin-bottom: 6px;
  color: var(--primary);
}

/* Calendar Customization */
.fc {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 12px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.fc-header-toolbar {
  flex-wrap: wrap;
  gap: 8px;
}

.fc-button-primary {
  background-color: var(--primary) !important;
  border-color: var(--primary) !important;
  border-radius: var(--radius-sm) !important;
}

/* Modal Customization */
.modal-content {
  background-color: var(--bg-card);
  color: var(--text-main);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

/* Desktop Sidebar Adaptability */
@media (min-width: 992px) {
  .desktop-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 240px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    z-index: 1020;
    padding: 20px 0;
  }
  
  .main-content {
    margin-left: 240px;
    padding: 24px;
  }

  .bottom-nav {
    display: none;
  }

  body {
    padding-bottom: 20px;
  }
}