/* ==========================================================================
   CSS System - Application de Gestion des Appels de Service PDF
   ========================================================================== */

:root {
  --bg-main: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.75);
  --bg-card-hover: rgba(51, 65, 85, 0.8);
  --border-color: rgba(255, 255, 255, 0.1);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-light: rgba(59, 130, 246, 0.15);
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.15);
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.15);
  --accent: #8b5cf6;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --radius: 12px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(139, 92, 246, 0.12) 0%, transparent 40%);
  background-attachment: fixed;
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Layout App */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.85rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.brand h1 {
  font-size: 1.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  gap: 0.5rem;
  background: rgba(30, 41, 59, 0.6);
  padding: 0.3rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.nav-tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 7px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.nav-tab:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.nav-tab.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  padding: 0.55rem 1.1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #1d4ed8);
  color: white;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
  background: rgba(51, 65, 85, 0.7);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(71, 85, 105, 0.9);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  color: white;
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #dc2626);
  color: white;
}

.btn-sm {
  padding: 0.35rem 0.7rem;
  font-size: 0.775rem;
  border-radius: 6px;
}

/* Container Principal */
.main-container {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem;
}

/* Section Tabs */
.tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Grid de Stats Dashboard */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.2);
}

.stat-info h3 {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.stat-icon.blue { background: var(--primary-light); color: var(--primary); }
.stat-icon.green { background: var(--success-light); color: var(--success); }
.stat-icon.amber { background: var(--warning-light); color: var(--warning); }
.stat-icon.red { background: var(--danger-light); color: var(--danger); }

/* Dropzone PDF */
.dropzone-container {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 2px dashed var(--primary);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  margin-bottom: 2rem;
}

.dropzone-container:hover, .dropzone-container.drag-over {
  background: rgba(59, 130, 246, 0.08);
  border-color: #60a5fa;
  transform: scale(1.005);
}

.dropzone-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--primary);
  animation: float 3s ease-in-out infinite;
  pointer-events: none;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.dropzone-text {
  pointer-events: none;
}

.dropzone-text h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.dropzone-text p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.file-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 10;
}

/* Zone de filtres et recherche */
.controls-bar {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 250px;
}

.search-box input {
  width: 100%;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.6rem 0.8rem 0.6rem 2.4rem;
  color: var(--text-main);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}

.search-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.search-icon {
  position: absolute;
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.filter-group {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.select-input, .date-input {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.55rem 0.8rem;
  color: var(--text-main);
  font-size: 0.875rem;
  outline: none;
}

.select-input option {
  background: #1e293b;
  color: var(--text-main);
}

/* Data Table */
.table-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.data-table th {
  background: rgba(15, 23, 42, 0.8);
  padding: 0.9rem 1.1rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 1rem 1.1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: var(--transition);
}

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

/* Badges de statut */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
  font-size: 0.775rem;
  font-weight: 600;
}

.status-badge.terminé { background: var(--success-light); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.status-badge.en-cours { background: var(--primary-light); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.3); }
.status-badge.en-attente { background: var(--warning-light); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.status-badge.urgent { background: var(--danger-light); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }

/* Actions Table */
.action-btns {
  display: flex;
  gap: 0.4rem;
}

.btn-icon {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.btn-icon:hover {
  color: var(--text-main);
  background: var(--primary);
  border-color: var(--primary);
}

.btn-icon.delete:hover {
  background: var(--danger);
  border-color: var(--danger);
}

/* Modale */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: #1e293b;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  width: 90%;
  max-width: 750px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

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

.modal-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
}

.modal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
}

.form-control {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.65rem 0.85rem;
  color: var(--text-main);
  font-size: 0.9rem;
  outline: none;
}

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

textarea.form-control {
  min-height: 80px;
  resize: vertical;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  background: rgba(15, 23, 42, 0.4);
}

/* Toast Notice */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #1e293b;
  color: #fff;
  padding: 0.9rem 1.4rem;
  border-radius: 10px;
  border-left: 4px solid var(--primary);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 2000;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.modal-card.modal-large {
  max-width: 860px;
  width: 95%;
}

.invoice-summary-box {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.6rem;
  font-size: 0.875rem;
}

.invoice-grid-inputs {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.inv-calc-section {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.inv-row {
  display: flex;
  gap: 0.75rem;
  align-items: flex-end;
}

.inv-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

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

.inv-col-total {
  width: 100px;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

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

.inv-disp-val {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.65rem 0.6rem;
  text-align: right;
  font-weight: 700;
  color: var(--text-main);
  font-size: 0.9rem;
}

.inv-totals-box {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  height: fit-content;
}

.total-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
}

.total-line.grand-total {
  border-top: 2px solid var(--primary);
  border-bottom: none;
  padding-top: 0.75rem;
  font-size: 1.15rem;
  font-weight: 800;
  color: #60a5fa;
}

.total-line.grand-total strong {
  font-size: 1.35rem;
  color: #38bdf8;
}

.inv-meta-dates {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-top: 0.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 0.6rem;
}

/* Témoin d'envoi courriel */
.email-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.email-badge.sent {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.email-badge.pending {
  background: rgba(148, 163, 184, 0.1);
  color: #94a3b8;
  border: 1px solid rgba(148, 163, 184, 0.2);
}

/* Responsive Mobile Avancé */
@media (max-width: 900px) {
  .invoice-grid-inputs {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .app-header {
    flex-direction: column;
    gap: 0.75rem;
    align-items: stretch;
    padding: 0.75rem 1rem;
  }

  .brand {
    justify-content: flex-start;
  }
  
  .nav-tabs {
    overflow-x: auto;
    width: 100%;
    -webkit-overflow-scrolling: touch;
    padding: 0.25rem;
  }

  .nav-tab {
    padding: 0.45rem 0.75rem;
    font-size: 0.8rem;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .header-actions {
    justify-content: flex-end;
    width: 100%;
  }

  .hide-mobile {
    display: none !important;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .stat-card {
    padding: 1rem;
  }

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

  .controls-bar {
    flex-direction: column;
    align-items: stretch;
    padding: 0.85rem;
  }

  .search-box {
    width: 100%;
  }

  .filter-group {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .filter-group .select-input,
  .filter-group .date-input,
  .filter-group .btn {
    width: 100%;
  }

  .modal-card {
    width: 100%;
    height: 100%;
    max-height: 100vh;
    border-radius: 0;
  }

  .modal-header {
    padding: 1rem;
  }

  .modal-body {
    padding: 1rem;
  }

  .modal-footer {
    padding: 0.75rem 1rem;
    flex-direction: column;
  }

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

  .inv-row {
    flex-wrap: wrap;
  }

  .inv-col {
    min-width: 120px;
  }

  .inv-col-total {
    width: 100%;
  }

  .pagination-bar {
    flex-direction: column;
    align-items: stretch !important;
    gap: 0.75rem;
  }
}

/* ======================================================== */
/* ÉCRAN DE CONNEXION SÉCURISÉ (LOGIN PAGE)                 */
/* ======================================================== */
.login-overlay {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 1.5rem;
}

.login-card {
  background: rgba(30, 41, 59, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  width: 100%;
  max-width: 440px;
  padding: 2.25rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 20px rgba(37, 99, 235, 0.15);
  display: flex;
  flex-direction: column;
  animation: loginFadeIn 0.4s ease-out;
}

@keyframes loginFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.login-header {
  text-align: center;
  margin-bottom: 1.75rem;
}

.login-logo-badge {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);
  color: #fff;
  font-size: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem auto;
  box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.4);
}

.login-header h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.35rem;
}

.login-header p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.input-with-icon .input-icon {
  position: absolute;
  left: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  pointer-events: none;
}

.input-with-icon .form-control {
  padding-left: 2.6rem;
  width: 100%;
}

.password-wrapper .form-control {
  padding-right: 2.6rem;
}

.btn-toggle-pass {
  position: absolute;
  right: 0.75rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  cursor: pointer;
  padding: 0.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-toggle-pass:hover {
  color: #fff;
}

.btn-login {
  width: 100%;
  padding: 0.85rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.login-alert {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
  text-align: center;
}

.login-footer {
  text-align: center;
  margin-top: 1.75rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1rem;
}