/* ============================================================
   LogiTrans Pro v2 - Feuille de style principale
   ============================================================ */

:root {
  --primary:       #1a56db;
  --primary-dark:  #1342af;
  --primary-light: #e8f0fe;
  --secondary:     #374151;
  --success:       #059669;
  --warning:       #d97706;
  --danger:        #dc2626;
  --info:          #0891b2;
  --light:         #f9fafb;
  --dark:          #111827;
  --sidebar-w:     260px;
  --topbar-h:      64px;
  --radius:        10px;
  --shadow:        0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.08);
  --shadow-lg:     0 10px 25px rgba(0,0,0,.12);
  --transition:    all .2s ease;
  --font:          'Inter', 'Segoe UI', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: #f1f5f9;
  color: var(--secondary);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
}

/* ── SIDEBAR ── */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: linear-gradient(160deg, #0f172a 0%, #1e3a5f 100%);
  position: fixed;
  top: 0; left: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: 2px 0 20px rgba(0,0,0,.25);
}

.sidebar.collapsed { width: 68px; }
.sidebar.collapsed .nav-label,
.sidebar.collapsed .sidebar-logo span,
.sidebar.collapsed .user-info { display: none; }

.sidebar-logo {
  padding: 20px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.sidebar-logo .logo-icon {
  width: 42px; height: 42px;
  background: var(--primary);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}

.sidebar-logo span {
  font-size: 18px; font-weight: 700;
  color: #fff;
  white-space: nowrap;
}

.sidebar-logo small { display: block; font-size: 11px; color: rgba(255,255,255,.5); }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 0; }
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.2); border-radius: 2px; }

.nav-section {
  padding: 8px 16px 4px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.2px;
  color: rgba(255,255,255,.35);
  text-transform: uppercase;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  color: rgba(255,255,255,.75);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  margin: 2px 8px;
  transition: var(--transition);
  position: relative;
}

.nav-item:hover { background: rgba(255,255,255,.1); color: #fff; }
.nav-item.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(26,86,219,.4);
}

.nav-item .nav-icon { font-size: 18px; flex-shrink: 0; width: 24px; text-align: center; }
.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 20px;
  min-width: 20px;
  text-align: center;
}

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid rgba(255,255,255,.1);
}

.user-card {
  display: flex; align-items: center; gap: 10px;
  padding: 10px;
  background: rgba(255,255,255,.05);
  border-radius: var(--radius);
  cursor: pointer;
}

.user-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: #fff; font-size: 14px; flex-shrink: 0;
}

.user-info .user-name { font-size: 13px; font-weight: 600; color: #fff; }
.user-info .user-role { font-size: 11px; color: rgba(255,255,255,.5); }

/* ── MAIN CONTENT ── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: var(--transition);
}

.sidebar.collapsed ~ .main-content { margin-left: 68px; }

/* ── TOPBAR ── */
.topbar {
  height: var(--topbar-h);
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
  display: flex; align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}

.topbar-toggle {
  width: 36px; height: 36px;
  border: none; background: none;
  cursor: pointer; border-radius: 8px;
  font-size: 18px; color: var(--secondary);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.topbar-toggle:hover { background: var(--light); }

.topbar-search {
  flex: 1; max-width: 400px;
  display: flex; align-items: center;
  background: var(--light);
  border: 1px solid #e5e7eb;
  border-radius: 20px;
  padding: 0 16px; gap: 8px;
}

.topbar-search input {
  flex: 1; border: none; background: none;
  font-size: 14px; color: var(--secondary); outline: none;
  padding: 8px 0;
}

.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }

.icon-btn {
  width: 40px; height: 40px;
  border: none; background: none;
  border-radius: 10px; cursor: pointer;
  font-size: 18px; color: var(--secondary);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition); position: relative;
}
.icon-btn:hover { background: var(--light); color: var(--primary); }

.notif-badge {
  position: absolute; top: 6px; right: 6px;
  width: 8px; height: 8px;
  background: var(--danger); border-radius: 50%;
  border: 2px solid #fff;
}

/* ── PAGE CONTENT ── */
.page-content { flex: 1; padding: 24px; }

.page-header {
  display: flex; align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-title { font-size: 22px; font-weight: 700; color: var(--dark); }
.page-subtitle { font-size: 14px; color: #6b7280; margin-top: 2px; }

/* ── STAT CARDS ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 16px;
  transition: var(--transition);
  border-left: 4px solid transparent;
}

.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.stat-card.blue   { border-left-color: var(--primary); }
.stat-card.green  { border-left-color: var(--success); }
.stat-card.orange { border-left-color: var(--warning); }
.stat-card.red    { border-left-color: var(--danger); }
.stat-card.cyan   { border-left-color: var(--info); }

.stat-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; flex-shrink: 0;
}
.stat-icon.blue   { background: #eff6ff; }
.stat-icon.green  { background: #f0fdf4; }
.stat-icon.orange { background: #fffbeb; }
.stat-icon.red    { background: #fef2f2; }
.stat-icon.cyan   { background: #ecfeff; }

.stat-value { font-size: 28px; font-weight: 800; color: var(--dark); line-height: 1; }
.stat-label { font-size: 13px; color: #6b7280; margin-top: 4px; }
.stat-change { font-size: 12px; font-weight: 600; margin-top: 4px; }
.stat-change.up   { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ── CARDS ── */
.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid #f3f4f6;
}

.card-title { font-size: 16px; font-weight: 700; color: var(--dark); }
.card-body  { padding: 20px; }

/* ── TABLE ── */
.table-responsive { overflow-x: auto; }

table.data-table {
  width: 100%; border-collapse: collapse; font-size: 14px;
}

.data-table th {
  background: #f8fafc;
  padding: 11px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: .5px;
  color: #6b7280;
  text-transform: uppercase;
  border-bottom: 1px solid #e5e7eb;
  white-space: nowrap;
}

.data-table td {
  padding: 13px 16px;
  border-bottom: 1px solid #f3f4f6;
  color: var(--secondary);
}

.data-table tr:hover td { background: #fafbff; }
.data-table tr:last-child td { border-bottom: none; }

/* ── BADGES ── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px; font-weight: 600;
  text-transform: capitalize;
}
.badge-success { background: #dcfce7; color: #15803d; }
.badge-warning { background: #fef9c3; color: #a16207; }
.badge-danger  { background: #fee2e2; color: #b91c1c; }
.badge-info    { background: #e0f2fe; color: #0369a1; }
.badge-primary { background: #dbeafe; color: #1d4ed8; }
.badge-gray    { background: #f3f4f6; color: #4b5563; }
.badge-orange  { background: #ffedd5; color: #c2410c; }

/* ── BOUTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 18px;
  border: none; border-radius: 8px;
  font-size: 14px; font-weight: 600;
  cursor: pointer; transition: var(--transition);
  text-decoration: none; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger  { background: var(--danger); color: #fff; }
.btn-outline { background: #fff; color: var(--secondary); border: 1px solid #d1d5db; }
.btn-outline:hover { background: var(--light); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-icon { padding: 8px; border-radius: 8px; }

/* ── FORMS ── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--secondary); margin-bottom: 6px; }
.form-label span.req { color: var(--danger); }

.form-control {
  width: 100%;
  padding: 9px 13px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 14px;
  color: var(--dark);
  background: #fff;
  transition: var(--transition);
  outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,86,219,.1); }
.form-control::placeholder { color: #9ca3af; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }

/* ── MAP ── */
#map, .map-container {
  width: 100%; height: 500px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid #e5e7eb;
  z-index: 1;
}

/* ── ALERTS ── */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  display: flex; align-items: flex-start; gap: 10px;
  margin-bottom: 16px;
}
.alert-info    { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }
.alert-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.alert-warning { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.alert-danger  { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* ── MODALS ── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5); backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: var(--transition);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }

.modal {
  background: #fff;
  border-radius: 14px;
  padding: 28px;
  width: 90%; max-width: 600px;
  max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(.95); transition: var(--transition);
}
.modal-overlay.active .modal { transform: scale(1); }
.modal-title { font-size: 18px; font-weight: 700; margin-bottom: 20px; }

/* ── PAGINATION ── */
.pagination { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }
.page-btn {
  padding: 6px 12px; border-radius: 6px; border: 1px solid #d1d5db;
  background: #fff; cursor: pointer; font-size: 13px; font-weight: 500;
  transition: var(--transition);
}
.page-btn:hover, .page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn:disabled { opacity: .4; cursor: not-allowed; }

/* ── LOADING ── */
.loader {
  display: inline-block;
  width: 20px; height: 20px;
  border: 3px solid rgba(26,86,219,.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
  position: fixed; inset: 0;
  background: rgba(255,255,255,.8);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999;
}

/* ── TOAST NOTIFICATIONS ── */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: #1e293b; color: #fff;
  padding: 12px 18px; border-radius: 10px;
  font-size: 14px; font-weight: 500;
  display: flex; align-items: center; gap: 10px;
  box-shadow: var(--shadow-lg);
  animation: slideUp .3s ease;
  max-width: 360px;
}
.toast.success { background: var(--success); }
.toast.error   { background: var(--danger); }
.toast.warning { background: var(--warning); }

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

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.mobile-open { transform: translateX(0); }
  .main-content { margin-left: 0 !important; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  #map, .map-container { height: 300px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .page-content { padding: 16px; }
}

/* ── PRINT ── */
@media print {
  .sidebar, .topbar, .btn, .pagination { display: none !important; }
  .main-content { margin-left: 0 !important; }
}