/* ==========================================================================
   LE41 PRO - DESIGN SYSTEM & MAIN STYLESHEET
   UI/UX Pro Max System - Dark & Light Mode Theme Tokens
   ========================================================================== */

:root {
  /* Color Palette - HSL Values */
  --hue-primary: 217;     /* Sapphire Blue */
  --hue-secondary: 222;   /* Deep Slate Navy */
  --hue-success: 160;     /* Emerald Green */
  --hue-warning: 38;      /* Warm Amber */
  --hue-danger: 350;      /* Crimson Red */

  /* Dark Theme Tokens (Default) */
  --bg-app: hsl(var(--hue-secondary), 25%, 8%);
  --bg-sidebar: hsl(var(--hue-secondary), 30%, 11%);
  --bg-topbar: hsl(var(--hue-secondary), 25%, 11%);
  --bg-card: hsl(var(--hue-secondary), 25%, 14%);
  --bg-card-hover: hsl(var(--hue-secondary), 25%, 17%);
  --bg-input: hsl(var(--hue-secondary), 25%, 10%);
  --bg-modal: hsl(var(--hue-secondary), 30%, 12%);
  --bg-surface: hsl(var(--hue-secondary), 25%, 14%);
  --bg-surface-2: hsl(var(--hue-secondary), 25%, 11%);

  /* Borders & Dividers */
  --border-subtle: hsl(var(--hue-secondary), 20%, 20%);
  --border-color: rgba(255, 255, 255, 0.1);
  --border-focus: hsl(var(--hue-primary), 85%, 60%);
  --border-card: rgba(255, 255, 255, 0.08);

  /* Text Colors */
  --text-main: hsl(var(--hue-secondary), 15%, 95%);
  --text-muted: hsl(var(--hue-secondary), 15%, 65%);
  --text-subtle: hsl(var(--hue-secondary), 15%, 45%);

  /* Accent Colors */
  --color-primary: hsl(var(--hue-primary), 85%, 55%);
  --color-primary-hover: hsl(var(--hue-primary), 85%, 48%);
  --color-primary-light: rgba(37, 99, 235, 0.15);
  
  --color-success: hsl(var(--hue-success), 75%, 45%);
  --color-success-light: rgba(16, 185, 129, 0.15);

  --color-warning: hsl(var(--hue-warning), 90%, 50%);
  --color-warning-light: rgba(245, 158, 11, 0.15);

  --color-danger: hsl(var(--hue-danger), 80%, 55%);
  --color-danger-light: rgba(239, 68, 68, 0.15);

  /* Typography */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Elevation Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 15px rgba(37, 99, 235, 0.3);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Overrides (Mode Jour) */
[data-theme="light"] {
  --bg-app: hsl(var(--hue-secondary), 20%, 97%);
  --bg-sidebar: hsl(var(--hue-secondary), 25%, 96%);
  --bg-topbar: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: hsl(var(--hue-secondary), 20%, 98%);
  --bg-input: hsl(var(--hue-secondary), 20%, 95%);
  --bg-modal: #ffffff;
  --bg-surface: #ffffff;
  --bg-surface-2: hsl(var(--hue-secondary), 20%, 95%);

  --border-subtle: hsl(var(--hue-secondary), 20%, 88%);
  --border-color: rgba(0, 0, 0, 0.1);
  --border-card: rgba(0, 0, 0, 0.08);

  --text-main: hsl(var(--hue-secondary), 35%, 15%);
  --text-muted: hsl(var(--hue-secondary), 15%, 42%);
  --text-subtle: hsl(var(--hue-secondary), 15%, 60%);

  --color-primary-light: rgba(37, 99, 235, 0.08);
  --color-success-light: rgba(16, 185, 129, 0.08);
  --color-warning-light: rgba(245, 158, 11, 0.08);
  --color-danger-light: rgba(239, 68, 68, 0.08);

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);
}

/* Smooth Theme Switch Animation */
.theme-transition,
.theme-transition *,
.theme-transition *::before,
.theme-transition *::after {
  transition: background-color 250ms ease, color 250ms ease, border-color 250ms ease, box-shadow 250ms ease !important;
  transition-delay: 0s !important;
}

/* Reset & Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  min-height: 100dvh;
}

/* App Layout Grid */
.app-layout {
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
  width: 100vw;
  position: relative;
  overflow-x: hidden;
}

/* Mobile Sidebar Backdrop Overlay */
.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1040;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.sidebar-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

/* Sidebar Styling */
.sidebar {
  width: 280px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), width var(--transition-normal);
  z-index: 100;
  flex-shrink: 0;
}

.sidebar.collapsed {
  width: 80px;
}

.sidebar.collapsed .brand-name,
.sidebar.collapsed .brand-sub,
.sidebar.collapsed .nav-section-title,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .user-info,
.sidebar.collapsed .copro-selector-wrapper,
.sidebar.collapsed .nav-badge {
  display: none;
}

.sidebar-header {
  padding: 1.25rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.mobile-sidebar-close {
  display: none;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}

/* ==========================================================================
   ANIMATIONS & VIBRANT GRADIENTS (UI/UX PRO MAX)
   ========================================================================== */

@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 15px rgba(37, 99, 235, 0.4), 0 0 30px rgba(124, 58, 237, 0.2); }
  50% { box-shadow: 0 0 25px rgba(16, 185, 129, 0.6), 0 0 45px rgba(37, 99, 235, 0.4); }
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.bg-gradient-animated {
  background: linear-gradient(-45deg, #1e1b4b, #1e293b, #0f172a, #1e3a8a, #065f46) !important;
  background-size: 400% 400% !important;
  animation: gradientMove 12s ease infinite !important;
}

.bg-primary-gradient {
  background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #10b981 100%) !important;
  background-size: 200% 200% !important;
  animation: gradientMove 8s ease infinite !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.25) !important;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6, #10b981);
  background-size: 200% 200%;
  animation: gradientMove 6s ease infinite;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: var(--shadow-glow);
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-main);
}

.brand-badge {
  font-size: 0.65rem;
  padding: 2px 6px;
  background-color: var(--color-primary);
  color: white;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
}

/* Co-ownership Selector */
.copro-selector-wrapper {
  padding: 1rem 1.25rem 0.5rem;
}

.field-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  color: var(--text-subtle);
  margin-bottom: 0.4rem;
  display: block;
}

.custom-select {
  position: relative;
}

.custom-select select {
  width: 100%;
  padding: 0.6rem 2.2rem 0.6rem 0.8rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 500;
  appearance: none;
  cursor: pointer;
  outline: none;
}

.custom-select select:focus {
  border-color: var(--border-focus);
}

.select-icon {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

/* Navigation List */
.sidebar-nav {
  padding: 1rem 0.75rem;
  flex: 1;
  overflow-y: auto;
}

.nav-section-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  color: var(--text-subtle);
  padding: 1rem 0.75rem 0.4rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.7rem 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-item i {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-item:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-main);
}

.nav-item.active {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 15%;
  height: 70%;
  width: 4px;
  background-color: var(--color-primary);
  border-radius: 0 4px 4px 0;
}

.nav-badge {
  margin-left: auto;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-full);
}

.bg-primary { background-color: var(--color-primary-light); color: var(--color-primary); }
.bg-warning { background-color: var(--color-warning-light); color: var(--color-warning); }
.text-emerald { background-color: var(--color-success-light); color: var(--color-success); }

/* Sidebar Footer */
.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.user-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-input);
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.user-info {
  flex: 1;
  overflow: hidden;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  display: block;
}

.user-role-badge {
  font-size: 0.7rem;
  color: var(--text-muted);
  display: block;
}

/* Main Wrapper & Topbar */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  height: 70px;
  background-color: var(--bg-topbar);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.75rem;
  gap: 1rem;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.page-title-group h1 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
}

.page-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.role-switcher-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-input);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.role-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.role-select {
  background: transparent;
  border: none;
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  outline: none;
}

/* Content Body */
.content-body {
  flex: 1;
  padding: 1.75rem;
  overflow-y: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #3b82f6, #1d4ed8);
  background-size: 200% 200%;
  color: white;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  background-position: 100% 0%;
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-input);
  border-color: var(--border-subtle);
  color: var(--text-main);
}

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

.btn-danger {
  background-color: var(--color-danger);
  color: white;
}

.btn-danger:hover {
  background-color: hsl(var(--hue-danger), 80%, 45%);
}

.btn-success {
  background-color: var(--color-success);
  color: white;
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.78rem;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.icon-btn:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--text-muted);
}

.notification-indicator {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--color-danger);
}

/* Theme Toggle Icons & Button */
[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

.theme-toggle-btn {
  transition: transform var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
}

.theme-toggle-btn:hover {
  transform: rotate(15deg) scale(1.05);
}

.theme-toggle-btn:active {
  transform: rotate(-15deg) scale(0.95);
}

/* Theme Selector Options in Settings Module */
.theme-card-option {
  position: relative;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.theme-card-option:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.theme-card-option.active {
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-md);
}

/* Bento Grid Cards System */
.grid-dashboard {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.25rem;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* KPI Cards */
.kpi-card {
  grid-column: span 3;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.kpi-value {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  margin: 0.4rem 0;
}

.kpi-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.trend-up { color: var(--color-success); }
.trend-down { color: var(--color-danger); }

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.table th {
  background-color: var(--bg-input);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.5px;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-main);
}

.table tr:hover td {
  background-color: var(--bg-card-hover);
}

/* Badges & Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 700;
}

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

/* Modal Container */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 1;
  transition: opacity var(--transition-fast);
}

.modal-backdrop.hidden {
  display: none;
  opacity: 0;
  pointer-events: none;
}

.modal-card {
  background-color: var(--bg-modal);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 650px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  animation: modalSlideUp var(--transition-normal);
}

@keyframes modalSlideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Toast Notifications */
.toast-wrapper {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 2000;
}

.toast {
  background-color: var(--bg-card);
  border-left: 4px solid var(--color-primary);
  color: var(--text-main);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 280px;
  animation: toastIn 300ms ease-out;
}

.toast-success { border-left-color: var(--color-success); }
.toast-error { border-left-color: var(--color-danger); }
.toast-warning { border-left-color: var(--color-warning); }

@keyframes toastIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Form Controls */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.88rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  border-color: var(--border-focus);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

/* ==========================================================================
   RESPONSIVE UTILITY CLASSES
   ========================================================================== */

.chart-card-large {
  grid-column: span 8;
}

.chart-card-small {
  grid-column: span 4;
}

.dashboard-split-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.25rem;
}

/* ==========================================================================
   MOBILE BOTTOM NAVIGATION BAR (SMARTPHONES / PORTABLES)
   ========================================================================== */

.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(62px + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-subtle);
  z-index: 990;
  justify-content: space-around;
  align-items: center;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.35);
}

[data-theme="light"] .mobile-bottom-nav {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.08);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.68rem;
  font-weight: 600;
  flex: 1;
  height: 100%;
  cursor: pointer;
  border: none;
  background: transparent;
  transition: color var(--transition-fast), transform var(--transition-fast);
  position: relative;
  padding: 6px 0 4px;
}

.bottom-nav-item:hover {
  color: var(--text-main);
}

.bottom-nav-item.active {
  color: var(--color-primary);
  font-weight: 700;
}

.bottom-nav-item.active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20%;
  right: 20%;
  height: 3px;
  background: linear-gradient(90deg, #3b82f6, #10b981);
  border-radius: 0 0 4px 4px;
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.7);
}

.bottom-nav-icon-wrap {
  position: relative;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bottom-nav-icon-wrap i {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
}

.bottom-nav-item.active .bottom-nav-icon-wrap i {
  transform: scale(1.15);
}

.bottom-nav-badge {
  position: absolute;
  top: -5px;
  right: -10px;
  font-size: 0.58rem;
  font-weight: 800;
  padding: 1px 4px;
  border-radius: 999px;
  background-color: var(--color-primary);
  color: white;
  line-height: 1.1;
}

.bottom-nav-badge.danger {
  background-color: var(--color-danger);
}

.bottom-nav-dot {
  position: absolute;
  top: -2px;
  right: -3px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-success);
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.8);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (DESKTOP, TABLETTES, SMARTPHONES)
   ========================================================================== */

/* Breakpoint: Tablettes Horizontales / Petits Laptops (max 1024px) */
@media (max-width: 1024px) {
  .kpi-card { 
    grid-column: span 6; 
  }

  .chart-card-large {
    grid-column: span 12;
  }

  .chart-card-small {
    grid-column: span 12;
  }

  .dashboard-split-grid {
    grid-template-columns: 1fr;
  }
}

/* Breakpoint: Tablettes Verticales & Portables (max 992px) */
@media (max-width: 992px) {
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    height: 100vh;
    height: 100dvh;
    width: 290px;
    max-width: 85vw;
    z-index: 1100;
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
    transition: transform 280ms cubic-bezier(0.16, 1, 0.3, 1);
  }

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

  .mobile-sidebar-close {
    display: flex;
  }

  .main-wrapper {
    width: 100%;
  }

  .topbar {
    padding: 0 1.25rem;
  }
}

/* Breakpoint: Smartphones & Écrans Mobiles (max 768px) */
@media (max-width: 768px) {
  .topbar {
    height: 60px;
    padding: 0 0.85rem;
    gap: 0.5rem;
  }

  .topbar-left {
    gap: 0.75rem;
    min-width: 0;
  }

  .page-title-group h1 {
    font-size: 1.05rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 160px;
  }

  .page-subtitle {
    display: none;
  }

  .topbar-right {
    gap: 0.5rem;
  }

  .role-switcher-container {
    display: none;
  }

  #btn-quick-action span {
    display: none;
  }

  #btn-quick-action {
    padding: 0.5rem;
    min-width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
  }

  .icon-btn {
    width: 36px;
    height: 36px;
  }

  /* Content area safe padding with bottom nav */
  .content-body {
    padding: 1rem 0.85rem calc(74px + env(safe-area-inset-bottom, 0px)) 0.85rem;
  }

  /* Enable Bottom Navigation */
  .mobile-bottom-nav {
    display: flex;
  }

  .grid-dashboard {
    gap: 0.85rem;
  }

  .kpi-card {
    grid-column: span 12;
    padding: 1rem;
  }

  .kpi-value {
    font-size: 1.5rem;
  }

  .card {
    padding: 1rem;
    border-radius: var(--radius-md);
  }

  .card-header {
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  /* Prevent iOS Safari input auto-zoom by enforcing 16px */
  .form-control, select, input, textarea {
    font-size: 16px !important;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  /* Modal Responsive Mobile Full Screen Fit */
  .modal-backdrop {
    padding: 0.5rem;
    align-items: flex-end;
  }

  .modal-card {
    width: 100%;
    max-width: 100%;
    max-height: 88vh;
    max-height: 88dvh;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }

  .modal-header {
    padding: 1rem 1.15rem;
  }

  .modal-body {
    padding: 1.15rem;
  }

  .modal-footer {
    padding: 0.85rem 1.15rem;
    flex-direction: column-reverse;
    gap: 0.5rem;
  }

  .modal-footer .btn {
    width: 100%;
  }

  /* Toasts on mobile: positioned above the bottom nav */
  .toast-wrapper {
    left: 1rem;
    right: 1rem;
    bottom: calc(70px + env(safe-area-inset-bottom, 0px));
    align-items: center;
  }

  .toast {
    min-width: unset;
    width: 100%;
    max-width: 420px;
    padding: 0.75rem 1rem;
  }
}

/* Breakpoint: Petits Smartphones (max 480px) */
@media (max-width: 480px) {
  .topbar {
    padding: 0 0.65rem;
  }

  .page-title-group h1 {
    font-size: 0.95rem;
    max-width: 120px;
  }

  .content-body {
    padding: 0.75rem 0.65rem calc(74px + env(safe-area-inset-bottom, 0px)) 0.65rem;
  }

  .card {
    padding: 0.85rem;
  }

  .kpi-value {
    font-size: 1.35rem;
  }

  .btn {
    padding: 0.5rem 0.85rem;
    font-size: 0.8rem;
  }

  .btn-sm {
    padding: 0.35rem 0.6rem;
    font-size: 0.74rem;
  }
}

/* Breakpoint: Très Petits Écrans (max 360px) */
@media (max-width: 360px) {
  .page-title-group h1 {
    display: none;
  }

  .bottom-nav-item {
    font-size: 0.62rem;
  }
}

/* ==========================================================================
   AUTHENTICATION OVERLAY & LOGIN SCREEN
   ========================================================================== */

.auth-hidden {
  display: none !important;
}

.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-app);
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(37, 99, 235, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 40%);
  overflow-y: auto;
  padding: 1.5rem;
}

.auth-overlay.hidden {
  display: none !important;
}

/* Ambient Glowing Background Orbs */
.auth-ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.6;
  animation: glowPulse 8s ease-in-out infinite alternate;
}

.auth-glow-1 {
  width: 320px;
  height: 320px;
  top: 10%;
  left: 15%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.35) 0%, transparent 70%);
}

.auth-glow-2 {
  width: 280px;
  height: 280px;
  bottom: 12%;
  right: 15%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.25) 0%, transparent 70%);
  animation-delay: -4s;
}

/* Auth Card */
.auth-card {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), var(--shadow-glow);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  animation: authCardEnter 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.auth-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.auth-logo-badge {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-glow);
}

.auth-logo-badge i {
  width: 30px;
  height: 30px;
}

.auth-title {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
}

.auth-subtitle {
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* Alert Message */
.auth-alert {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem 1rem;
  background-color: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  border-radius: var(--radius-md);
  color: var(--danger-400);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.auth-alert.hidden {
  display: none !important;
}

.auth-alert i {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.auth-alert.shake {
  animation: shakeError 0.4s ease-in-out;
}

/* Form Fields */
.auth-field-group {
  margin-bottom: 1.15rem;
}

.auth-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.4rem;
}

.auth-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.auth-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.auth-input-icon {
  position: absolute;
  left: 0.95rem;
  color: var(--text-muted);
  pointer-events: none;
  width: 18px;
  height: 18px;
}

.auth-input {
  width: 100%;
  height: 48px;
  padding: 0 2.75rem 0 2.75rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.auth-input:focus {
  border-color: var(--primary-500);
  background-color: var(--bg-card);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
  outline: none;
}

.auth-eye-btn {
  position: absolute;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.auth-eye-btn:hover {
  color: var(--text-main);
  background-color: var(--bg-hover);
}

.auth-eye-btn i {
  width: 18px;
  height: 18px;
}

/* Meta Checkbox & SSL Badge */
.auth-form-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.auth-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  user-select: none;
}

.auth-checkbox-label input[type="checkbox"] {
  accent-color: var(--primary-500);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.auth-ssl-badge {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--emerald-400);
  font-weight: 500;
}

.auth-ssl-badge i {
  width: 14px;
  height: 14px;
}

/* Submit Button */
.auth-submit-btn {
  width: 100%;
  height: 48px;
  font-size: 0.95rem;
  font-weight: 600;
  justify-content: center;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glow);
}

/* Demo Credentials Box */
.auth-demo-helper {
  margin-top: 1.5rem;
  padding: 0.85rem 1rem;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
}

.auth-demo-helper-header {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.45rem;
}

.auth-demo-helper-header i {
  width: 14px;
  height: 14px;
  color: var(--primary-400);
}

.auth-demo-creds-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  font-size: 0.8rem;
  background-color: var(--bg-input);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
}

.demo-cred-item {
  display: flex;
  flex-direction: column;
}

.demo-cred-key {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.demo-cred-val {
  font-family: monospace;
  font-size: 0.85rem;
  color: var(--primary-300);
}

.demo-cred-tag {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--text-muted);
  font-family: var(--font-body);
  margin-left: 0.2rem;
}

.btn-demo-autofill {
  width: 100%;
  margin-top: 0.6rem;
  padding: 0.45rem 0.75rem;
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.3);
  border-radius: var(--radius-sm);
  color: var(--primary-400);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.btn-demo-autofill:hover {
  background: rgba(37, 99, 235, 0.22);
  border-color: var(--primary-400);
  color: #ffffff;
}

.btn-demo-autofill i {
  width: 14px;
  height: 14px;
}

.auth-footer-notice {
  margin-top: 1.25rem;
  text-align: center;
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* Logout Button in Topbar & Sidebar */
.logout-topbar-btn {
  color: var(--text-muted);
}

.logout-topbar-btn:hover {
  color: var(--danger-400);
  background-color: rgba(239, 68, 68, 0.15);
}

.btn-logout-action {
  color: var(--text-muted);
}

.btn-logout-action:hover {
  color: var(--danger-400);
  background-color: rgba(239, 68, 68, 0.15);
}

/* Keyframe Animations */
@keyframes authCardEnter {
  0% {
    opacity: 0;
    transform: scale(0.94) translateY(12px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes shakeError {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

@keyframes glowPulse {
  0% { transform: scale(1) translate(0, 0); opacity: 0.4; }
  100% { transform: scale(1.15) translate(15px, -15px); opacity: 0.7; }
}

/* Mobile Responsiveness for Auth Screen */
@media (max-width: 480px) {
  .auth-card {
    padding: 1.6rem 1.25rem;
  }

  .auth-title {
    font-size: 1.4rem;
  }

  .auth-demo-creds-grid {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

/* ==========================================================================
   UNIVERSAL MULTI-FORMAT EXPORT DROPDOWN & STYLES (EXCEL, PDF, TXT)
   ========================================================================== */

.export-dropdown-container {
  position: relative;
  display: inline-block;
}

.btn-export-toggle {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.85rem;
  font-weight: 600;
  font-size: 0.82rem;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-export-toggle:hover {
  background: var(--bg-input);
  border-color: var(--primary-400);
  color: var(--primary-400);
}

.btn-export-toggle .chevron-icon {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.export-dropdown-container.open .btn-export-toggle .chevron-icon,
.export-dropdown-menu.active ~ .btn-export-toggle .chevron-icon {
  transform: rotate(180deg);
}

.export-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 290px;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg), 0 10px 25px -5px rgba(0, 0, 0, 0.4);
  padding: 0.5rem;
  z-index: 1200;
  display: none;
  animation: dropdownEnter 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

.export-dropdown-menu.active {
  display: block;
}

@keyframes dropdownEnter {
  0% {
    opacity: 0;
    transform: translateY(-6px) scale(0.97);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.export-dropdown-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.45rem 0.6rem 0.6rem 0.6rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 0.35rem;
}

.export-header-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.export-header-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: rgba(37, 99, 235, 0.15);
  color: var(--primary-400);
}

.export-menu-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.65rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  text-align: left;
  cursor: pointer;
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.export-menu-item:hover {
  background: var(--bg-input);
  border-color: rgba(255, 255, 255, 0.06);
  transform: translateX(2px);
}

.export-icon-wrap {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.export-icon-wrap i {
  width: 18px;
  height: 18px;
}

.export-icon-wrap.bg-excel {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.export-icon-wrap.bg-pdf {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.export-icon-wrap.bg-txt {
  background: rgba(99, 102, 241, 0.15);
  color: #818cf8;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.export-info {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.export-info strong {
  font-size: 0.82rem;
  color: var(--text-main);
  font-weight: 600;
}

.export-info span {
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 768px) {
  .btn-export-toggle .btn-export-text {
    display: none;
  }

  .btn-export-toggle {
    padding: 0.5rem;
    min-width: 36px;
    height: 36px;
    justify-content: center;
  }

  .btn-export-toggle .chevron-icon {
    display: none;
  }

  .export-dropdown-menu {
    right: -50px;
    min-width: 260px;
  }
}

/* ==========================================================================
   Experts IA Droit, Notariat & Démarches (Yiaho.com)
   ========================================================================== */

.experts-ia-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.expert-filter-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.9rem;
  border-radius: 9999px;
  background: var(--bg-card, rgba(255, 255, 255, 0.04));
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
}

.expert-filter-tab:hover {
  background: var(--bg-card-hover, rgba(255, 255, 255, 0.08));
  color: var(--text-main);
  border-color: rgba(16, 185, 129, 0.4);
  transform: translateY(-1px);
}

.expert-filter-tab.active {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border-color: #10b981;
  font-weight: 600;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.2);
}

.experts-ia-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
}

.experts-ia-card {
  transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.22s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.22s ease !important;
}

.experts-ia-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px -10px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(16, 185, 129, 0.35);
  border-color: rgba(16, 185, 129, 0.4) !important;
}

.expert-copro-cases {
  transition: background 0.2s ease;
}

.experts-ia-card:hover .expert-copro-cases {
  background: rgba(0, 0, 0, 0.25) !important;
}

.expert-btn-consult,
.expert-btn-draft {
  transition: all 0.2s ease;
}

.expert-btn-consult:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.expert-btn-draft:hover {
  background: var(--bg-card-hover, rgba(255, 255, 255, 0.1));
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

@media (max-width: 640px) {
  .experts-ia-grid {
    grid-template-columns: 1fr;
  }

  .expert-actions {
    flex-direction: column;
  }

  .expert-btn-consult,
  .expert-btn-draft {
    width: 100%;
  }
}