/* styles/main.css - Styles principaux pour PWA Gestion Financement */

/* Variables CSS */
:root {
  /* Couleurs */
  --primary-color: #2196F3;
  --primary-dark: #1976D2;
  --primary-light: #BBDEFB;
  --secondary-color: #FF9800;
  --success-color: #4CAF50;
  --warning-color: #FF9800;
  --error-color: #F44336;
  --info-color: #2196F3;
  
  /* Couleurs neutres */
  --text-primary: #212121;
  --text-secondary: #757575;
  --text-light: #BDBDBD;
  --background-primary: #FFFFFF;
  --background-secondary: #FAFAFA;
  --background-dark: #F5F5F5;
  --border-color: #E0E0E0;
  --shadow-color: rgba(0, 0, 0, 0.1);
  
  /* Tailles */
  --header-height: 64px;
  --sidebar-width: 280px;
  --sidebar-collapsed-width: 64px;
  --border-radius: 8px;
  --border-radius-small: 4px;
  --border-radius-large: 16px;
  
  /* Espacements */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  
  /* Polices */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-xxl: 24px;
  --font-size-xxxl: 32px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Ombres */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

/* Reset et base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Splash Screen */
.splash-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  color: white;
}

.splash-content {
  text-align: center;
  animation: fadeInUp 0.6s ease;
}

.splash-logo {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  animation: bounce 2s infinite;
}

.splash-content h1 {
  font-size: var(--font-size-xxxl);
  font-weight: 600;
  margin-bottom: var(--spacing-xl);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top: 3px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

/* App Container */
.app-container {
  min-height: 100vh;
  display: grid;
  grid-template-areas: 
    "header header"
    "sidebar main";
  grid-template-rows: var(--header-height) 1fr;
  grid-template-columns: var(--sidebar-width) 1fr;
  transition: grid-template-columns var(--transition-normal);
}

.app-container.sidebar-collapsed {
  grid-template-columns: var(--sidebar-collapsed-width) 1fr;
}

/* Header */
.app-header {
  grid-area: header;
  background: var(--background-primary);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--spacing-lg);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.menu-toggle {
  background: none;
  border: none;
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-small);
  transition: all var(--transition-fast);
}

.menu-toggle:hover {
  background: var(--background-dark);
  color: var(--primary-color);
}

.app-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

/* Sync Status */
.sync-status {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.sync-status.online {
  background: rgba(76, 175, 80, 0.1);
  color: var(--success-color);
}

.sync-status.offline {
  background: rgba(244, 67, 54, 0.1);
  color: var(--error-color);
}

.sync-status.syncing {
  background: rgba(255, 152, 0, 0.1);
  color: var(--warning-color);
}

/* User Menu */
.user-menu {
  position: relative;
}

.user-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: none;
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.user-button:hover {
  background: var(--background-dark);
  color: var(--primary-color);
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--background-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 1001;
}

.user-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown a {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  color: var(--text-primary);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.user-dropdown a:hover {
  background: var(--background-dark);
}

/* Sidebar */
.sidebar {
  grid-area: sidebar;
  background: var(--background-primary);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  transition: all var(--transition-normal);
}

.sidebar-content {
  padding: var(--spacing-lg) 0;
}

.nav-menu {
  list-style: none;
}

.nav-item {
  margin-bottom: var(--spacing-xs);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  background: var(--background-dark);
  color: var(--primary-color);
}

.nav-link.active {
  background: rgba(33, 150, 243, 0.1);
  color: var(--primary-color);
  border-right: 3px solid var(--primary-color);
}

.nav-link i {
  font-size: var(--font-size-lg);
  width: 20px;
  text-align: center;
}

/* Main Content */
.main-content {
  grid-area: main;
  padding: var(--spacing-lg);
  overflow-y: auto;
  max-height: calc(100vh - var(--header-height));
}

/* Pages */
.page {
  display: none;
  animation: fadeInUp 0.3s ease;
}

.page.active {
  display: block;
}

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

.page-header h2 {
  font-size: var(--font-size-xxl);
  font-weight: 600;
  color: var(--text-primary);
}

.page-actions {
  display: flex;
  gap: var(--spacing-md);
}

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.kpi-card {
  background: var(--background-primary);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  transition: all var(--transition-fast);
}

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

.kpi-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  color: white;
}

.kpi-card:nth-child(1) .kpi-icon {
  background: linear-gradient(135deg, #667eea, #764ba2);
}

.kpi-card:nth-child(2) .kpi-icon {
  background: linear-gradient(135deg, #f093fb, #f5576c);
}

.kpi-card:nth-child(3) .kpi-icon {
  background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.kpi-card:nth-child(4) .kpi-icon {
  background: linear-gradient(135deg, #43e97b, #38f9d7);
}

.kpi-content h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.kpi-content p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* Charts */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.chart-card {
  background: var(--background-primary);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.chart-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.chart-header h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
}

.chart-content {
  padding: var(--spacing-lg);
  height: 300px;
}

/* Tables */
.table-card {
  background: var(--background-primary);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

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

.table-header h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
}

.table-content {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

th {
  background: var(--background-dark);
  font-weight: 600;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

td {
  color: var(--text-secondary);
}

tr:hover {
  background: var(--background-dark);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .app-container {
    grid-template-areas: 
      "header"
      "main";
    grid-template-columns: 1fr;
    grid-template-rows: var(--header-height) 1fr;
  }
  
  .sidebar {
    position: fixed;
    left: -100%;
    top: var(--header-height);
    height: calc(100vh - var(--header-height));
    width: var(--sidebar-width);
    z-index: 1000;
    transition: left var(--transition-normal);
  }
  
  .sidebar.show {
    left: 0;
  }
  
  .kpi-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
  
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .main-content {
    padding: var(--spacing-md);
  }
  
  .page-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-md);
  }
  
  .kpi-grid {
    grid-template-columns: 1fr;
  }
  
  .header-content {
    padding: 0 var(--spacing-md);
  }
  
  .app-title {
    font-size: var(--font-size-lg);
  }
}

@media (max-width: 480px) {
  .header-right {
    gap: var(--spacing-sm);
  }
  
  .sync-status span {
    display: none;
  }
  
  .user-button span {
    display: none;
  }
  
  .kpi-card {
    padding: var(--spacing-md);
  }
  
  .chart-content {
    height: 250px;
    padding: var(--spacing-md);
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Utilitaires */
.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.mb-0 {
  margin-bottom: 0 !important;
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.p-0 {
  padding: 0 !important;
}

/* Mode sombre (préparation) */
@media (prefers-color-scheme: dark) {
  :root {
    --text-primary: #E0E0E0;
    --text-secondary: #BDBDBD;
    --text-light: #757575;
    --background-primary: #1E1E1E;
    --background-secondary: #121212;
    --background-dark: #2D2D2D;
    --border-color: #333333;
    --shadow-color: rgba(0, 0, 0, 0.3);
  }
}