/* ===== CSS Variables ===== */
:root {
  --primary: #1B2A4A;
  --primary-light: #2C3E6B;
  --secondary: #3498db;
  --accent: #E67E22;
  --success: #27AE60;
  --danger: #E74C3C;
  --warning: #F39C12;
  --bg: #F4F6F9;
  --card: #FFFFFF;
  --text: #2C3E50;
  --text-light: #7F8C8D;
  --border: #E0E4E8;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #c0c5cc; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #a0a5ac; }

/* ===== Sidebar ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 250px;
  height: 100vh;
  background: var(--primary);
  color: #fff;
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
  transition: transform 0.3s ease;
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.sidebar-logo img { border-radius: 6px; flex-shrink: 0; }
.sidebar-nav { display: flex; flex-direction: column; padding: 8px 0; flex: 1; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  font-size: 13.5px;
  font-weight: 400;
  color: rgba(255,255,255,0.7);
  border-left: 3px solid transparent;
  transition: all 0.2s ease;
  cursor: pointer;
}
.nav-item:hover {
  background: rgba(255,255,255,0.05);
  color: #fff;
}
.nav-item.active {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border-left-color: var(--accent);
  font-weight: 500;
}
.nav-icon {
  font-size: 12px;
  font-weight: 700;
  min-width: 28px;
  text-align: center;
  opacity: 0.6;
}
.nav-item.active .nav-icon { opacity: 1; }

/* ===== Sidebar User ===== */
.sidebar-user {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.user-details {
  flex: 1;
  min-width: 0;
}
.user-name {
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-role {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  margin-top: 2px;
}
.btn-logout {
  background: rgba(255,255,255,0.1);
  border: none;
  color: rgba(255,255,255,0.7);
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s;
  flex-shrink: 0;
}
.btn-logout:hover {
  background: rgba(231,76,60,0.8);
  color: #fff;
}

/* ===== Hamburger ===== */
.hamburger {
  display: none;
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 200;
  background: var(--primary);
  color: #fff;
  border: none;
  font-size: 22px;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  line-height: 1;
}

/* ===== Main Content ===== */
.main-content {
  margin-left: 250px;
  padding: 28px;
  min-height: 100vh;
  background: var(--bg);
}

/* ===== Page Header ===== */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.page-header h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
}

/* ===== Cards ===== */
.card {
  background: var(--card);
  border-radius: 10px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  padding: 24px;
}

/* ===== KPI Cards ===== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 24px;
}
.kpi-card {
  background: var(--card);
  border-radius: 10px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  padding: 20px 22px;
  border-left: 4px solid var(--secondary);
}
.kpi-card.accent { border-left-color: var(--accent); }
.kpi-card.success { border-left-color: var(--success); }
.kpi-card.danger { border-left-color: var(--danger); }
.kpi-card.warning { border-left-color: var(--warning); }
.kpi-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}
.kpi-label {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 4px;
  font-weight: 400;
}

/* ===== Tables ===== */
.table-wrapper { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
thead th {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  padding: 12px 16px;
  text-align: left;
  white-space: nowrap;
  font-size: 13px;
}
thead th:first-child { border-radius: 8px 0 0 0; }
thead th:last-child { border-radius: 0 8px 0 0; }
tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tbody tr:nth-child(even) { background: #f8f9fb; }
tbody tr:nth-child(odd) { background: #fff; }
tbody tr:hover { background: #eef2f7; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: none;
  border-radius: 6px;
  padding: 9px 18px;
  font-weight: 500;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  line-height: 1.4;
}
.btn:hover { opacity: 0.88; }
.btn-primary { background: var(--secondary); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* ===== Forms ===== */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-weight: 500;
  font-size: 13px;
  color: var(--text);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(52,152,219,0.1);
}
.form-group textarea { resize: vertical; min-height: 70px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
}
.form-check input[type="checkbox"] { width: auto; }

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease;
}
.modal-card {
  background: #fff;
  border-radius: 12px;
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  animation: slideUp 0.25s ease;
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 17px; font-weight: 600; margin: 0; }
.modal-close {
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--text-light);
  padding: 0 4px;
  line-height: 1;
}
.modal-close:hover { color: var(--text); }
.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}

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

/* ===== Filter Bar ===== */
.filter-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  align-items: end;
}
.filter-bar .form-group { margin-bottom: 0; }
.filter-bar input,
.filter-bar select {
  padding: 8px 12px;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  font-family: inherit;
}
.filter-bar input:focus,
.filter-bar select:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(52,152,219,0.1);
}

/* ===== Badges ===== */
.badge {
  display: inline-block;
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}
.badge-pendiente { background: #FEF3E2; color: #E67E22; }
.badge-completada, .badge-pagada { background: #E8F8EF; color: #27AE60; }
.badge-cancelada, .badge-anulada { background: #FDEDEE; color: #E74C3C; }
.badge-en-transito { background: #EBF5FB; color: #2980B9; }
.badge-vencida { background: #FDEDEE; color: #E74C3C; }
.badge-propia { background: #E8F8EF; color: #27AE60; }
.badge-tercero { background: #EBF5FB; color: #2980B9; }

/* ===== Toast ===== */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  padding: 14px 20px;
  border-radius: 8px;
  color: #fff;
  font-size: 13.5px;
  font-weight: 500;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  animation: toastIn 0.3s ease;
  max-width: 380px;
}
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-warning { background: var(--warning); }
.toast-info { background: var(--secondary); }

@keyframes toastIn { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }

/* ===== Two Column Layout ===== */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  color: var(--text-light);
  padding: 40px 20px;
  font-size: 14px;
}

/* ===== Doc Link ===== */
.doc-link {
  color: var(--secondary);
  text-decoration: none;
  font-size: 13px;
  cursor: pointer;
}
.doc-link:hover { text-decoration: underline; }

/* ===== Utilities ===== */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.d-flex { display: flex; }
.gap-2 { gap: 12px; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

/* ===== Summary Row ===== */
.summary-row {
  display: flex;
  gap: 24px;
  padding: 16px 0;
  font-size: 15px;
  font-weight: 600;
}

/* ===== Fleet Bar ===== */
.fleet-bar-container { margin-top: 24px; }
.fleet-bar {
  height: 28px;
  background: #e9ecef;
  border-radius: 6px;
  overflow: hidden;
  display: flex;
}
.fleet-bar-fill {
  background: var(--success);
  height: 100%;
  transition: width 0.5s ease;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .hamburger { display: block; }
  .main-content { margin-left: 0; padding: 20px 16px; padding-top: 56px; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .page-header { flex-wrap: wrap; gap: 12px; }
}
@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
}