/* ==========================================================================
   ViserTrip Modern Design System & CSS Variables
   ========================================================================== */

:root {
  /* Primary & Accent Color Palette */
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #e0e7ff;
  --primary-glow: rgba(79, 70, 229, 0.25);
  
  --secondary: #0ea5e9;
  --secondary-hover: #0284c7;
  --secondary-light: #e0f2fe;

  --accent: #8b5cf6;
  --accent-light: #f3e8ff;

  --success: #10b981;
  --success-light: #d1fae5;

  --warning: #f59e0b;
  --warning-light: #fef3c7;

  --danger: #ef4444;
  --danger-light: #fee2e2;

  --info: #3b82f6;
  --info-light: #dbeafe;

  /* Dark & Neutral Palette */
  --dark-bg: #0f172a;
  --sidebar-bg: #1e293b;
  --sidebar-hover: #334155;
  --body-bg: #f8fafc;
  --surface: #ffffff;
  --surface-hover: #f1f5f9;

  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-white: #ffffff;

  --border-color: #e2e8f0;
  --border-focus: #a5b4fc;

  /* Shadows & Glassmorphism */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.3);

  /* Layout dimensions */
  --sidebar-width: 260px;
  --header-height: 70px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

/* Base resets & typography */
body {
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--body-bg);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-hover);
}

/* Layout Elements */
#sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background-color: var(--sidebar-bg);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 4px 0 20px rgba(0, 0, 0, 0.05);
}

#sidebar .brand {
  padding: 1.25rem 1.5rem;
  color: var(--text-white);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.5px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  gap: 10px;
}

#sidebar .nav-section-title {
  color: #64748b;
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 1.25rem 1.5rem 0.5rem 1.5rem;
}

#sidebar .nav-link {
  color: var(--text-light);
  padding: 0.75rem 1.25rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  margin: 0.2rem 0.8rem;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.2s ease;
}

#sidebar .nav-link i {
  font-size: 1.1rem;
  width: 22px;
  text-align: center;
  transition: transform 0.2s ease;
}

#sidebar .nav-link:hover {
  color: #ffffff;
  background-color: var(--sidebar-hover);
}

#sidebar .nav-link:hover i {
  transform: translateX(2px);
}

#sidebar .nav-link.active {
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  font-weight: 600;
  box-shadow: 0 4px 12px var(--primary-glow);
}

#main-content {
  margin-left: var(--sidebar-width);
  padding: 2rem;
  min-height: 100vh;
  transition: all 0.3s ease;
}

.top-nav {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 1050 !important;
}

.top-nav .dropdown-menu {
  background-color: #ffffff !important;
  border: 1px solid #cbd5e1 !important;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2), 0 8px 10px -6px rgba(0, 0, 0, 0.1) !important;
  z-index: 9999 !important;
  min-width: 220px;
}

.top-nav .dropdown-item {
  color: #334155;
  font-weight: 500;
  transition: all 0.15s ease;
}

.top-nav .dropdown-item:hover {
  background-color: #f1f5f9;
  color: #0f172a;
}

.stat-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary);
  border-radius: 4px 0 0 4px;
}

.stat-card.primary::before { background: var(--primary); }
.stat-card.success::before { background: var(--success); }
.stat-card.warning::before { background: var(--warning); }
.stat-card.danger::before { background: var(--danger); }
.stat-card.info::before { background: var(--info); }
.stat-card.accent::before { background: var(--accent); }

.stat-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.stat-icon.primary { background-color: var(--primary-light); color: var(--primary); }
.stat-icon.success { background-color: var(--success-light); color: var(--success); }
.stat-icon.warning { background-color: var(--warning-light); color: var(--warning); }
.stat-icon.danger { background-color: var(--danger-light); color: var(--danger); }
.stat-icon.info { background-color: var(--info-light); color: var(--info); }
.stat-icon.accent { background-color: var(--accent-light); color: var(--accent); }

.stat-value {
  font-size: clamp(1.1rem, 1.35vw, 1.45rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-top: 0.2rem;
  margin-bottom: 0.15rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stat-label {
  font-size: 0.725rem;
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  line-height: 1.2;
}

/* Enhanced Cards */
.card {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--border-color);
  padding: 1.25rem 1.5rem;
  font-weight: 700;
}

.card-body {
  padding: 1.5rem;
}

/* Modern Status Badges */
.badge-status {
  padding: 0.35em 0.85em;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 50rem;
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-transform: capitalize;
}

.badge-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
}

.badge-status-active, .badge-status-approved, .badge-status-paid, .badge-status-completed {
  background-color: var(--success-light);
  color: #047857;
}

.badge-status-pending, .badge-status-processing, .badge-status-trial, .badge-status-ongoing {
  background-color: var(--warning-light);
  color: #b45309;
}

.badge-status-inactive, .badge-status-suspended, .badge-status-rejected, .badge-status-failed, .badge-status-expired, .badge-status-cancelled {
  background-color: var(--danger-light);
  color: #b91c1c;
}

.badge-status-info {
  background-color: var(--info-light);
  color: #1d4ed8;
}

/* Custom Buttons */
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #4338ca 100%);
  border: none;
  box-shadow: 0 4px 10px var(--primary-glow);
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.3rem;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #4338ca 0%, #3730a3 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 15px var(--primary-glow);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, #7c3aed 100%);
  color: #ffffff;
  border: none;
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.3rem;
}

.btn-accent:hover {
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 6px 15px rgba(139, 92, 246, 0.3);
}

.btn-outline-custom {
  border: 1px solid var(--border-color);
  background: var(--surface);
  color: var(--text-main);
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.btn-outline-custom:hover {
  background: var(--surface-hover);
  border-color: var(--text-muted);
}

/* Modern Tables */
.table-custom {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.table-custom th {
  background-color: #f1f5f9;
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.775rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.table-custom th:first-child { border-top-left-radius: var(--radius-sm); }
.table-custom th:last-child { border-top-right-radius: var(--radius-sm); }

.table-custom td {
  padding: 1rem 1.25rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--border-color);
  background: var(--surface);
  color: var(--text-main);
  font-size: 0.9rem;
}

.table-custom tr:hover td {
  background-color: var(--surface-hover);
}

/* Form Controls */
.form-control, .form-select {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  padding: 0.65rem 1rem;
  font-size: 0.925rem;
  transition: all 0.2s ease;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Public Website Hero Section */
.hero-section {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #311042 100%);
  color: #ffffff;
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: 0;
  right: 0;
  height: 100px;
  background: var(--body-bg);
  transform: skewY(-2deg);
}

/* Package & Visa Card Layouts */
.package-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--surface);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.package-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.package-img-wrapper {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.package-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.package-card:hover .package-img-wrapper img {
  transform: scale(1.05);
}

.package-price-badge {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  color: #ffffff;
  padding: 0.4rem 1rem;
  border-radius: 50rem;
  font-weight: 800;
  font-size: 1.1rem;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Responsive adjustments */
@media (max-width: 991.98px) {
  #sidebar {
    margin-left: calc(-1 * var(--sidebar-width));
  }
  #sidebar.show {
    margin-left: 0;
  }
  #main-content {
    margin-left: 0;
    padding: 1rem;
  }
}

/* ── Accordion Sidebar Navigation ───────────────────────────────────────────── */
#sidebar {
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  padding-bottom: 2rem;
  background-color: #0f172a !important; /* Deep dark slate background */
}

#sidebar::-webkit-scrollbar {
  width: 5px;
}
#sidebar::-webkit-scrollbar-track {
  background: transparent;
}
#sidebar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

#sidebar .brand {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.25rem 1.25rem;
  color: #ffffff !important;
}

#sidebar .nav-section-title {
  color: #94a3b8 !important;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 1.25rem 1.25rem 0.4rem 1.25rem;
  flex-shrink: 0;
}

/* Base Nav Links */
#sidebar a.nav-link {
  color: #cbd5e1 !important;
  padding: 0.75rem 1rem;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  margin: 0.2rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.2s ease;
  text-decoration: none !important;
}

#sidebar a.nav-link:hover {
  color: #ffffff !important;
  background-color: rgba(255, 255, 255, 0.1) !important;
}

#sidebar a.nav-link.active {
  color: #ffffff !important;
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%) !important;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
}

/* Accordion Items */
.accordion-item-sidebar {
  margin: 0.2rem 0.75rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.accordion-header-sidebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1rem;
  color: #e2e8f0 !important; /* Bright off-white */
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  user-select: none;
  background-color: transparent;
}

.accordion-header-sidebar span {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit !important;
}

.accordion-header-sidebar i {
  color: #a5b4fc !important; /* Indigo light icons */
}

.accordion-header-sidebar:hover {
  color: #ffffff !important;
  background-color: rgba(255, 255, 255, 0.08) !important;
}

.accordion-header-sidebar.open {
  color: #ffffff !important;
  background-color: rgba(79, 70, 229, 0.25) !important;
}

.accordion-header-sidebar .toggle-icon {
  font-size: 0.75rem;
  color: #94a3b8 !important;
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.accordion-header-sidebar.open .toggle-icon {
  transform: rotate(180deg);
  color: #c4b5fd !important;
}

.accordion-body-sidebar {
  display: none;
  flex-direction: column;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  padding: 0.3rem 0;
}

.accordion-body-sidebar.show {
  display: flex !important;
}

/* Sub Links */
.nav-sub-link {
  display: flex !important;
  align-items: center !important;
  gap: 10px;
  padding: 0.6rem 1rem 0.6rem 1.5rem !important;
  color: #cbd5e1 !important; /* High contrast bright grey */
  font-size: 0.835rem;
  font-weight: 500;
  text-decoration: none !important;
  transition: all 0.18s ease;
  border-left: 3px solid transparent;
  width: 100%;
  box-sizing: border-box;
}

.nav-sub-link i {
  font-size: 0.85rem;
  width: 18px;
  text-align: center;
  color: #818cf8 !important; /* Bright indigo icon */
  flex-shrink: 0;
}

.nav-sub-link:hover {
  color: #ffffff !important;
  background-color: rgba(255, 255, 255, 0.08) !important;
  border-left-color: #818cf8 !important;
  padding-left: 1.75rem !important;
}

.nav-sub-link.active {
  color: #ffffff !important;
  background-color: rgba(79, 70, 229, 0.3) !important;
  border-left-color: #a855f7 !important;
  font-weight: 700;
}

.nav-sub-link.active i {
  color: #c084fc !important;
}

/* Modal Stacking & Backdrop Fixes */
.modal-backdrop {
  z-index: 1050 !important;
}

.modal {
  z-index: 1060 !important;
}

.modal-dialog {
  z-index: 1070 !important;
}