/* =============================================
   Gestion des Projets Cosider Canalisation
   Styles personnalisés
   ============================================= */

/* Variables CSS globales */
:root {
  --primary: #1e40af;
  --primary-dark: #1e3a8a;
  --primary-light: #3b82f6;
  --secondary: #0f766e;
  --accent: #f59e0b;
  --danger: #dc2626;
  --success: #16a34a;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --sidebar-width: 260px;
  --header-height: 64px;
}

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

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--gray-50);
  color: var(--gray-900);
  min-height: 100vh;
}

/* ==================== LOGIN PAGE ==================== */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 30%, #0f766e 70%, #115e59 100%);
  position: relative;
  overflow: hidden;
}

.login-container::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(245, 158, 11, 0.08) 0%, transparent 40%);
  animation: bgShift 15s ease-in-out infinite alternate;
}

@keyframes bgShift {
  0% {
    transform: translate(0, 0) rotate(0deg);
  }

  100% {
    transform: translate(-2%, -2%) rotate(3deg);
  }
}

.login-card {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 440px;
  margin: 1rem;
  padding: 2.5rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 1.25rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.15);
  animation: cardSlideUp 0.6s ease-out;
}

@keyframes cardSlideUp {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.login-logo {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.25rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(30, 64, 175, 0.3);
}

.login-logo i {
  font-size: 2rem;
  color: white;
}

.login-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}

.login-subtitle {
  text-align: center;
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

.form-input-wrapper {
  position: relative;
}

.form-input-wrapper i {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-500);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.form-input-wrapper input {
  width: 100%;
  padding: 0.75rem 0.875rem 0.75rem 2.75rem;
  border: 2px solid var(--gray-200);
  border-radius: 0.75rem;
  font-size: 0.95rem;
  color: var(--gray-900);
  background: white;
  transition: all 0.2s ease;
  outline: none;
}

.form-input-wrapper input::placeholder {
  color: var(--gray-300);
}

.form-input-wrapper input:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-input-wrapper input:focus+i,
.form-input-wrapper input:focus~i {
  color: var(--primary-light);
}

.toggle-password {
  position: absolute;
  right: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  color: var(--gray-500);
  background: none;
  border: none;
  padding: 0.25rem;
  font-size: 0.9rem;
}

.toggle-password:hover {
  color: var(--gray-700);
}

.login-btn {
  width: 100%;
  padding: 0.875rem;
  border: none;
  border-radius: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 4px 14px rgba(30, 64, 175, 0.3);
  margin-top: 1.5rem;
}

.login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30, 64, 175, 0.4);
}

.login-btn:active {
  transform: translateY(0);
}

.login-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.login-btn .spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.login-btn.loading .spinner {
  display: inline-block;
}

.login-btn.loading .btn-text {
  display: none;
}

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

.error-message {
  display: none;
  padding: 0.75rem 1rem;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 0.625rem;
  color: var(--danger);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  align-items: center;
  gap: 0.5rem;
}

.error-message.show {
  display: flex;
}

.login-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--gray-500);
}

/* ==================== LAYOUT (pour les pages internes) ==================== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
  color: white;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 1000;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 4px 0 15px rgba(0, 0, 0, 0.1);
}

/* Backdrop */
.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.sidebar-backdrop.show {
  opacity: 1;
  visibility: visible;
}

/* Close button on mobile */
.sidebar-close {
  display: none;
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
}

.sidebar-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.sidebar-header {
  padding: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sidebar-brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  border-radius: 0.625rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.sidebar-brand-text h3 {
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.2;
}

.sidebar-brand-text p {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 0.1rem;
}

.sidebar-nav {
  padding: 1rem 0;
}

.nav-section-title {
  padding: 0.5rem 1.25rem;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.4);
  font-weight: 600;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1.25rem;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.15s ease;
  border-left: 3px solid transparent;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.05);
  color: white;
}

.nav-link.active {
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.15) 0%, transparent 100%);
  color: white;
  border-left-color: var(--primary-light);
  font-weight: 600;
}

.nav-link i {
  width: 20px;
  text-align: center;
  font-size: 0.9rem;
}

/* Main content */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
}

/* Header */
.app-header {
  height: var(--header-height);
  background: white;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 30;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--gray-700);
  cursor: pointer;
  padding: 0.5rem;
}

.page-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gray-900);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Bell notification */
.notification-bell {
  position: relative;
  background: none;
  border: none;
  font-size: 1.1rem;
  color: var(--gray-500);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.5rem;
  transition: all 0.2s;
}

.notification-bell:hover {
  background: var(--gray-100);
  color: var(--gray-700);
}

.notification-badge {
  position: absolute;
  top: 0;
  right: 0;
  width: 18px;
  height: 18px;
  background: var(--danger);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid white;
}

.notification-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  width: 320px;
  background: white;
  border-radius: 0.75rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  border: 1px solid var(--gray-200);
  z-index: 50;
  display: none;
  max-height: 400px;
  overflow-y: auto;
}

.notification-dropdown.show {
  display: block;
}

/* User menu */
.user-menu {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.375rem 0.75rem;
  border-radius: 0.625rem;
  cursor: pointer;
  transition: background 0.2s;
}

.user-menu:hover {
  background: var(--gray-100);
}

.user-avatar {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.8rem;
}

.user-info {
  line-height: 1.2;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-900);
}

.user-role {
  font-size: 0.7rem;
  color: var(--gray-500);
}

/* Content area */
.content-area {
  padding: 1.5rem;
}

/* Cards */
.stat-card {
  background: white;
  border-radius: 0.875rem;
  padding: 1.25rem;
  border: 1px solid var(--gray-200);
  transition: all 0.2s;
}

.stat-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.card-panel {
  background: white;
  border-radius: 0.875rem;
  border: 1px solid var(--gray-200);
  overflow: hidden;
}

.card-panel-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-panel-body {
  padding: 1.25rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
}

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

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

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

.btn-outline {
  background: white;
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}

.btn-outline:hover {
  background: var(--gray-50);
}

.btn-sm {
  padding: 0.375rem 0.625rem;
  font-size: 0.78rem;
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  background: var(--gray-50);
  padding: 0.75rem 1rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

.data-table td {
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--gray-100);
}

.data-table tbody tr:hover {
  background: var(--gray-50);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-content {
  background: white;
  border-radius: 1rem;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  animation: modalIn 0.25s ease-out;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--gray-500);
  cursor: pointer;
  padding: 0.25rem;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Signature canvas */
.signature-pad-wrapper {
  border: 2px dashed var(--gray-300);
  border-radius: 0.75rem;
  padding: 0.5rem;
  background: white;
}

.signature-pad-wrapper canvas {
  width: 100%;
  height: 150px;
  cursor: crosshair;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-primary {
  background: #dbeafe;
  color: #1d4ed8;
}

.badge-success {
  background: #dcfce7;
  color: #15803d;
}

.badge-danger {
  background: #fef2f2;
  color: #dc2626;
}

.badge-warning {
  background: #fef9c3;
  color: #a16207;
}

.badge-info {
  background: #e0f2fe;
  color: #0369a1;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

  .sidebar-close {
    display: flex;
  }

  .main-content {
    margin-left: 0;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gray-100);
    border-radius: 0.625rem;
  }

  body.sidebar-open {
    overflow: hidden;
  }
}

@media (max-width: 480px) {
  .login-card {
    padding: 1.5rem;
  }

  .login-logo {
    width: 64px;
    height: 64px;
  }

  .login-logo i {
    font-size: 1.5rem;
  }
}

/* ==================== PRINT ==================== */
@media print {
  body {
    background: white !important;
    color: black !important;
  }

  .sidebar,
  .app-header,
  .no-print,
  .menu-toggle,
  .notification-bell,
  .user-menu,
  .btn:not(.print-visible),
  .modal-overlay {
    display: none !important;
  }

  .main-content {
    margin-left: 0 !important;
  }

  .content-area {
    padding: 0 !important;
  }

  .card-panel {
    border: 1px solid #ddd !important;
    box-shadow: none !important;
    break-inside: avoid;
  }

  .data-table {
    font-size: 0.8rem;
  }

  .data-table th {
    background: #f0f0f0 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  @page {
    margin: 1.5cm;
    size: A4 landscape;
  }
}