/* === RJR Reliable Transport === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

:root {
  --primary: #1a2940;
  --primary-light: #243654;
  --accent: #e8772e;
  --accent-hover: #d46820;
  --bg: #f0f2f5;
  --card: #ffffff;
  --text: #1a2940;
  --text-light: #6b7a8d;
  --border: #e1e5eb;
  --success: #27ae60;
  --warning: #f39c12;
  --danger: #e74c3c;
  --sidebar-width: 240px;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
}

/* === LOGIN === */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary) 0%, #0f1a2e 100%);
}

.login-card {
  background: var(--card);
  padding: 40px;
  border-radius: 12px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-logo {
  text-align: center;
  margin-bottom: 30px;
}

.login-logo h1 {
  font-size: 28px;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 2px;
}

.login-logo span {
  display: block;
  font-size: 12px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 3px;
  margin-top: 4px;
}

.login-form .field-group {
  margin-bottom: 18px;
}

.login-form label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-light);
  margin-bottom: 6px;
}

.login-form input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color .2s;
}

.login-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.login-erro {
  color: var(--danger);
  font-size: 13px;
  margin-bottom: 12px;
  text-align: center;
}

.btn-primary {
  width: 100%;
  padding: 12px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
}

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

/* === LAYOUT === */
.app-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* === SIDEBAR === */
.sidebar {
  width: var(--sidebar-width);
  background: var(--primary);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform .3s;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 1px;
}

.sidebar-header span {
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 2px;
  font-weight: 500;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: rgba(255,255,255,0.05);
  color: #fff;
}

.nav-item.active {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-left-color: var(--accent);
}

.nav-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
}

.sidebar-footer .user-name {
  font-weight: 600;
  color: #fff;
}

.sidebar-footer .user-role {
  font-size: 11px;
  color: var(--accent);
}

.btn-logout {
  margin-top: 10px;
  background: rgba(255,255,255,0.1);
  border: none;
  color: rgba(255,255,255,0.7);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  width: 100%;
  transition: all .2s;
}

.btn-logout:hover {
  background: rgba(231,76,60,0.3);
  color: #fff;
}

/* === MAIN === */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 0;
  height: 100vh;
  overflow-y: auto;
}

/* === TOPBAR === */
.topbar {
  background: var(--card);
  padding: 16px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar h2 {
  font-size: 18px;
  font-weight: 600;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-notif {
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: background .2s;
}

.btn-notif:hover { background: var(--bg); }

.btn-notif svg {
  width: 22px;
  height: 22px;
  color: var(--text-light);
}

.notif-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 8px;
  height: 8px;
  background: var(--danger);
  border-radius: 50%;
  border: 2px solid var(--card);
}

.btn-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

/* === PAGE CONTENT === */
.page-content {
  padding: 24px 28px;
}

.tab-content {
  display: none;
}

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

/* === STATS CARDS === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card);
  border-radius: 10px;
  padding: 20px;
  border: 1px solid var(--border);
  transition: box-shadow .2s;
}

.stat-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.stat-card .stat-label {
  font-size: 12px;
  color: var(--text-light);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  margin: 6px 0;
  color: var(--text);
}

.stat-card .stat-sub {
  font-size: 12px;
  color: var(--text-light);
}

.stat-card.accent .stat-value { color: var(--accent); }
.stat-card.success .stat-value { color: var(--success); }
.stat-card.warning .stat-value { color: var(--warning); }
.stat-card.danger .stat-value { color: var(--danger); }

/* === TABLES === */
.card {
  background: var(--card);
  border-radius: 10px;
  border: 1px solid var(--border);
  margin-bottom: 20px;
}

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

.card-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.card-body {
  padding: 20px;
}

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

th, td {
  padding: 10px 14px;
  text-align: left;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}

th {
  font-weight: 600;
  color: var(--text-light);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.badge-success { background: #d4edda; color: #155724; }
.badge-warning { background: #fff3cd; color: #856404; }
.badge-danger { background: #f8d7da; color: #721c24; }
.badge-info { background: #d1ecf1; color: #0c5460; }
.badge-secondary { background: #e2e3e5; color: #383d41; }

/* === EMPTY STATE === */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--text);
}

.empty-state p {
  font-size: 13px;
}

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

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

  .main-content {
  min-height: 100vh;
    margin-left: 0;
  }

  .btn-hamburger {
    display: block;
  }

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

  .page-content {
    padding: 16px;
  }
}

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