/* =============================================================
   SGEM-Boca del Río — Design System v1.0
   H. Ayuntamiento de Boca del Río, Veracruz
   ============================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ─── CSS VARIABLES (Design Tokens) ─────────────────────────── */
:root {
  /* Brand Colors — Boca del Río */
  --brand-primary:   #0B5EA8;   /* Azul institucional */
  --brand-secondary: #00A3A3;   /* Turquesa marino */
  --brand-accent:    #F5A623;   /* Dorado */
  --brand-success:   #28C76F;
  --brand-warning:   #FF9F43;
  --brand-danger:    #EA5455;
  --brand-info:      #00CFE8;

  /* Dark Theme (Principal) */
  --bg-dark:         #0D1117;
  --bg-card:         #161B22;
  --bg-card-hover:   #1C2128;
  --bg-input:        #21262D;
  --bg-sidebar:      #0D1117;
  --border:          #30363D;
  --border-light:    #21262D;

  /* Text */
  --text-primary:    #E6EDF3;
  --text-secondary:  #8B949E;
  --text-muted:      #6E7681;
  --text-link:       #58A6FF;

  /* Gradients */
  --grad-primary: linear-gradient(135deg, #0B5EA8 0%, #00A3A3 100%);
  --grad-gold:    linear-gradient(135deg, #F5A623 0%, #f09b1a 100%);
  --grad-dark:    linear-gradient(180deg, #161B22 0%, #0D1117 100%);
  --grad-card:    linear-gradient(135deg, rgba(11,94,168,0.12) 0%, rgba(0,163,163,0.06) 100%);

  /* Shadows */
  --shadow-sm:    0 1px 4px rgba(0,0,0,0.4);
  --shadow-md:    0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg:    0 8px 32px rgba(0,0,0,0.6);
  --shadow-glow:  0 0 20px rgba(11,94,168,0.3);

  /* Spacing (High Density System) */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 20px;
  --space-2xl: 32px;

  /* Radii (Tighter Corners) */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Sidebar */
  --sidebar-w: 260px;
  --header-h: 64px;

  /* Module colors */
  --clr-gobierno:   #7C5CFC;
  --clr-finanzas:   #28C76F;
  --clr-registro:   #FF9F43;
  --clr-seguridad:  #EA5455;
  --clr-proteccion: #FF6B6B;
  --clr-turismo:    #00CFE8;
  --clr-obras:      #F5A623;
  --clr-catastro:   #A29BFE;
  --clr-ambiente:   #55EFC4;
  --clr-social:     #FD79A8;
  --clr-atencion:   #74B9FF;
}

/* ─── RESET & BASE ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--text-link); text-decoration: none; transition: color 0.2s; }
a:hover { color: #79c0ff; }

/* ─── SCROLLBAR ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ─── LAYOUT ────────────────────────────────────────────────── */
.app-layout {
  display: block;
  min-height: 100vh;
  width: 100%;
}

/* ─── SIDEBAR ───────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform 0.3s ease;
  overflow-y: auto;
}

.sidebar-brand {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-height: var(--header-h);
}

.sidebar-brand .logo {
  width: 40px; height: 40px;
  background: var(--grad-primary);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
  box-shadow: var(--shadow-glow);
}

.sidebar-brand .brand-text { line-height: 1.2; }
.sidebar-brand .brand-name { font-weight: 700; font-size: 13px; color: var(--text-primary); }
.sidebar-brand .brand-sub { font-size: 10px; color: var(--text-muted); }

.sidebar-nav { flex: 1; padding: var(--space-md) 0; }

.nav-section { margin-bottom: var(--space-sm); }

.nav-section-title {
  padding: var(--space-sm) var(--space-lg);
  font-size: 10px; font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px var(--space-lg);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 0;
  position: relative;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
}

.nav-item.active {
  color: var(--text-primary);
  background: rgba(11,94,168,0.12);
  border-left-color: var(--brand-primary);
}

.nav-item .nav-icon { font-size: 16px; width: 20px; text-align: center; flex-shrink: 0; }
.nav-item .nav-badge {
  margin-left: auto;
  background: var(--brand-danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
}

/* ─── MAIN CONTENT ──────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  width: calc(100% - var(--sidebar-w));
  max-width: calc(100% - var(--sidebar-w));
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── TOPBAR ─────────────────────────────────────────────────── */
.topbar {
  height: var(--header-h);
  background: rgba(22,27,34,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-xl);
  position: sticky;
  top: 0; z-index: 99;
}

.topbar-inner {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  gap: var(--space-lg);
}

.topbar-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
}
.breadcrumb-root {
  color: var(--text-secondary);
}
.breadcrumb-separator {
  color: var(--text-muted);
  font-size: 11px;
}
.breadcrumb-active {
  color: var(--text-primary);
  font-weight: 600;
}

.topbar-title { font-size: 15px; font-weight: 600; }
.topbar-sub { font-size: 12px; color: var(--text-muted); }

.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: var(--space-md); }

.user-badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s;
}
.user-badge:hover { border-color: var(--brand-primary); }
.user-badge .user-avatar {
  width: 28px; height: 28px;
  background: var(--grad-primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600;
}
.user-badge .user-name { font-size: 12px; font-weight: 500; }
.user-badge .user-role { font-size: 10px; color: var(--text-muted); }

/* ─── PAGE CONTENT ──────────────────────────────────────────── */
.page-content {
  flex: 1;
  padding: var(--space-xl);
  overflow-y: auto;
}

/* Reglas de Espaciado Vertical Consistente para bloques de primer nivel */
.page-content > .page-header { margin-bottom: var(--space-lg); }
.page-content > .kpi-grid { margin-bottom: var(--space-lg); }
.page-content > .grid-2,
.page-content > .grid-3,
.page-content > .grid-4,
.page-content > .grid-2-1,
.page-content > .grid-1-2 { margin-bottom: var(--space-lg); }
.page-content > .card { margin-bottom: var(--space-lg); }
.page-content > *:last-child { margin-bottom: 0; }

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
}

.page-header-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  align-items: center;
}

.page-header-info h1 {
  font-size: 20px; font-weight: 700;
  color: var(--text-primary);
  display: inline-flex; align-items: center; gap: var(--space-sm);
}

.page-header-info p { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }

/* ─── CARDS ─────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all 0.2s;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.card:hover { border-color: var(--border); background: var(--bg-card-hover); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.card-title {
  font-size: 13px; font-weight: 600;
  display: flex; align-items: center; gap: var(--space-sm);
  color: var(--text-primary);
}

/* ─── KPI CARDS ─────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(var(--kpi-cols, 4), minmax(0, 1fr));
  gap: var(--space-md);
  width: 100%;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--kpi-color, var(--brand-primary));
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(11,94,168,0.3);
}

.kpi-icon {
  width: 32px; height: 32px;
  background: rgba(var(--kpi-rgb, 11,94,168), 0.12);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}

.kpi-value { font-size: 20px; font-weight: 700; line-height: 1.2; color: var(--text-primary); }
.kpi-label { font-size: 11px; color: var(--text-secondary); font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
.kpi-trend {
  font-size: 10px;
  display: flex; align-items: center; gap: 4px;
  color: var(--text-muted);
}
.kpi-trend.up { color: var(--brand-success); }
.kpi-trend.down { color: var(--brand-danger); }
.kpi-trend.neutral { color: var(--text-muted); }

/* ─── GRID LAYOUTS ──────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-lg); }
.grid-2-1 { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: var(--space-lg); }
.grid-1-2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: var(--space-lg); }

/* ─── TABLES ─────────────────────────────────────────────────── */
.table-container {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  box-sizing: border-box;
}

.data-table, .table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.data-table thead th, .table thead th {
  background: var(--bg-input);
  padding: 8px 10px;
  text-align: left;
  font-weight: 600;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table tbody tr, .table tbody tr {
  border-bottom: 1px solid var(--border-light);
  transition: background 0.15s;
}

.data-table tbody tr:hover, .table tbody tr:hover { background: rgba(255,255,255,0.03); }

.data-table tbody td, .table tbody td {
  padding: 8px 10px;
  color: var(--text-primary);
  vertical-align: middle;
  font-size: 12px;
}

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

/* ─── BADGES & PILLS ─────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-success { background: rgba(40,199,111,0.15); color: #28C76F; }
.badge-warning { background: rgba(255,159,67,0.15); color: #FF9F43; }
.badge-danger  { background: rgba(234,84,85,0.15);  color: #EA5455; }
.badge-info    { background: rgba(0,207,232,0.15);  color: #00CFE8; }
.badge-primary { background: rgba(11,94,168,0.15);  color: #58A6FF; }
.badge-muted   { background: rgba(139,148,158,0.15); color: #8B949E; }
.badge-purple  { background: rgba(124,92,252,0.15); color: #7C5CFC; }

/* ─── BUTTONS ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--grad-primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(11,94,168,0.4);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(11,94,168,0.5); }

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-outline:hover { color: var(--text-primary); border-color: var(--brand-primary); background: rgba(11,94,168,0.08); }

.btn-danger { background: var(--brand-danger); color: #fff; }
.btn-success { background: var(--brand-success); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 11px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }

/* ─── FORMS ──────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-label { font-size: 12px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }

.form-control {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 9px 12px;
  color: var(--text-primary);
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  transition: all 0.2s;
  width: 100%;
}

.form-control:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(11,94,168,0.15);
}

.form-control::placeholder { color: var(--text-muted); }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-md); }

/* ─── MODAL ──────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: all 0.25s;
}

.modal-overlay.active { opacity: 1; visibility: visible; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  width: 90%; max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(20px);
  transition: transform 0.25s;
  box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal { transform: scale(1) translateY(0); }

.modal-header {
  display: flex; align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.modal-title { font-size: 16px; font-weight: 700; }

.modal-close {
  width: 28px; height: 28px;
  background: var(--bg-input);
  border: none; border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.modal-close:hover { background: var(--brand-danger); color: #fff; }

/* ─── CHART CONTAINERS ───────────────────────────────────────── */
.chart-container {
  position: relative;
  width: 100%;
  min-height: 240px;
}

/* ─── PROGRESS BARS ──────────────────────────────────────────── */
.progress { background: var(--bg-input); border-radius: 20px; height: 8px; overflow: hidden; }
.progress-bar {
  height: 100%; border-radius: 20px;
  background: var(--grad-primary);
  transition: width 0.6s ease;
}
.progress-bar.warning { background: var(--brand-warning); }
.progress-bar.danger { background: var(--brand-danger); }
.progress-bar.success { background: var(--brand-success); }

/* ─── SEMÁFORO ───────────────────────────────────────────────── */
.semaforo-verde   { color: var(--brand-success); }
.semaforo-amarillo { color: var(--brand-warning); }
.semaforo-rojo    { color: var(--brand-danger); }

/* ─── BANDERA PLAYA ─────────────────────────────────────────── */
.bandera-Verde   { background: rgba(40,199,111,0.15); color: #28C76F; }
.bandera-Amarilla { background: rgba(255,159,67,0.15); color: #FF9F43; }
.bandera-Roja    { background: rgba(234,84,85,0.15); color: #EA5455; }
.bandera-Morada  { background: rgba(124,92,252,0.15); color: #7C5CFC; }

/* ─── TOAST NOTIFICATIONS ────────────────────────────────────── */
#toast-container {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 1000;
  display: flex; flex-direction: column; gap: var(--space-sm);
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--brand-primary);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  max-width: 320px;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
  font-size: 13px;
}
.toast.success { border-left-color: var(--brand-success); }
.toast.error   { border-left-color: var(--brand-danger); }
.toast.warning { border-left-color: var(--brand-warning); }

@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: none; opacity: 1; } }

/* ─── LOADING ─────────────────────────────────────────────────── */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  color: var(--text-muted);
  gap: var(--space-sm);
}

.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--brand-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ─── SECTION HEADERS ────────────────────────────────────────── */
.section-accent {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-sm);
}

/* ─── RESPONSIVE & LAYOUT OPTIMIZATIONS ───────────────────────── */

/* Centrado y ancho máximo para pantallas muy grandes (Ultra-wide/4K) */
.page-content {
  flex: 1;
  padding: var(--space-xl);
  overflow-y: auto;
  overflow-x: hidden;
  width: 100%;
  max-width: 1600px;
  min-width: 0;
  box-sizing: border-box;
  margin: 0 auto;
}

@media (max-width: 1400px) {
  .page-content { max-width: 100%; }
}

@media (max-width: 1200px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .kpi-grid {
    grid-template-columns: repeat(var(--kpi-cols-tablet, 2), 1fr);
  }
}

@media (max-width: 1024px) {
  .page-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
  }
  .page-header-actions {
    justify-content: flex-start;
    width: 100%;
  }
}

@media (max-width: 900px) {
  /* Mostrar botón de menú en móviles */
  #menuBtn { display: inline-flex !important; margin-right: var(--space-md); }

  .sidebar {
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0;
    width: 100%;
  }
  .grid-2, .grid-2-1, .grid-1-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  .topbar {
    padding: 0 var(--space-md);
  }
}

@media (max-width: 768px) {
  /* Cabeceras de página apiladas en móviles */
  .page-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-md);
  }
  .page-header div[style*="display:flex"],
  .page-header div[style*="display: flex"] {
    flex-wrap: wrap;
    gap: var(--space-sm) !important;
    justify-content: flex-start !important;
    width: 100%;
  }
  .page-header .btn {
    flex: 1;
    min-width: 120px;
    justify-content: center;
  }
}

@media (max-width: 600px) {
  .kpi-grid { grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
  .page-content { padding: var(--space-md); }
  
  /* Ajustes de topbar para pantallas chicas */
  #clockDisplay { display: none; }
  .topbar-actions { gap: var(--space-sm); }
  .user-badge { padding: 4px var(--space-xs); border: none; background: transparent; }
  .user-badge div:last-child { display: none; } /* Ocultar nombre, dejar solo avatar */
}

@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .modal { padding: var(--space-md); width: 95%; }
}

/* =============================================================
   LIGHT THEME OVERRIDES
   ============================================================= */
.light-theme {
  /* Colors */
  --bg-dark:         #F3F4F6;   /* Gray 100 */
  --bg-card:         #FFFFFF;
  --bg-card-hover:   #F9FAFB;   /* Gray 50 */
  --bg-input:        #F9FAFB;
  --bg-sidebar:      #FFFFFF;
  --border:          #E5E7EB;   /* Gray 200 */
  --border-light:    #F3F4F6;   /* Gray 100 */
  --text-primary:    #1F2937;   /* Gray 800 */
  --text-secondary:  #4B5563;   /* Gray 600 */
  --text-muted:      #9CA3AF;   /* Gray 400 */
  --text-link:       #0B5EA8;

  /* Gradients */
  --grad-dark:    linear-gradient(180deg, #FFFFFF 0%, #F3F4F6 100%);
  --grad-card:    linear-gradient(135deg, rgba(11,94,168,0.04) 0%, rgba(0,163,163,0.02) 100%);

  /* Shadows */
  --shadow-sm:    0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:    0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
  --shadow-lg:    0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -2px rgba(0,0,0,0.03);
}

/* Light Theme Component Tweaks */
.light-theme body {
  background: var(--bg-dark);
  color: var(--text-primary);
}

.light-theme .topbar {
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid var(--border);
}

.light-theme .nav-item:hover {
  background: rgba(11, 94, 168, 0.05);
  color: var(--brand-primary);
}

.light-theme .data-table tbody tr:hover {
  background: rgba(11, 94, 168, 0.02);
}

.light-theme .data-table thead th {
  background: #F9FAFB;
}

.light-theme .form-control {
  background: #FFFFFF;
  border-color: #D1D5DB;
  color: #1F2937;
}

.light-theme .form-control:focus {
  border-color: var(--brand-primary);
  background: #FFFFFF;
}

.light-theme .modal {
  background: #FFFFFF;
  border: 1px solid var(--border);
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
}

.light-theme .modal-header {
  border-bottom-color: var(--border);
}

.light-theme .modal-close {
  color: var(--text-muted);
}

.light-theme .modal-close:hover {
  color: var(--text-primary);
}

.light-theme .user-badge {
  background: #FFFFFF;
}

.light-theme .user-badge:hover {
  background: #F9FAFB;
}

.light-theme .topbar-actions .btn-outline {
  border-color: var(--border);
  color: var(--text-primary);
}

.light-theme .topbar-actions .btn-outline:hover {
  background: #F3F4F6;
}

/* Button & Card style tweaks for high-aesthetic light mode */
.light-theme .card {
  box-shadow: var(--shadow-sm);
}

.light-theme .card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(11, 94, 168, 0.2);
}

.light-theme .kpi-card {
  box-shadow: var(--shadow-sm);
}

.light-theme .kpi-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(11, 94, 168, 0.2);
}