/* ============================================
   FrotaGesta - Design System
   ============================================ */

/* === CSS Variables (Design Tokens) === */
:root {
  /* Colors - Principal */
  --primary: #0d6efd;
  --primary-dark: #0b5ed7;
  --primary-light: #cfe2ff;
  
  /* Colors - Dashboard Dark Theme */
  --bg-deep: #0a0e17;
  --bg-panel: #111827;
  --bg-panel-2: #1a2236;
  --bg-card: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --line: #1e293b;
  --line-2: #334155;
  
  /* Status Colors */
  --green: #00a884;
  --green-dark: #008f6b;
  --gold: #d6a84b;
  --gold-2: #e2b85d;
  --gold-3: #c99a3a;
  --danger: #ff6b6b;
  --warning: #ffc107;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  
  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 15px rgba(214,168,75,0.15);
}

/* === Global Reset === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-deep);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

a {
  color: var(--gold);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--gold-2);
  text-decoration: underline;
}

/* === Scrollbar === */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-panel);
}
::-webkit-scrollbar-thumb {
  background: var(--line-2);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* === Layout === */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* === Sidebar === */
.sidebar {
  width: 260px;
  background: var(--bg-panel);
  border-right: 1px solid var(--line);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--space-lg);
  flex-shrink: 0;
}

.sidebar-brand .brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--gold), var(--gold-3));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-deep);
  font-size: 20px;
  font-weight: 700;
}

.sidebar-brand .brand-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.sidebar-brand .brand-sub {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.sidebar-nav::-webkit-scrollbar {
  display: none;
}

.sidebar-nav .nav-section {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: var(--space-sm) var(--space-md);
  margin-top: var(--space-md);
}

.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 14px;
  transition: all 0.2s ease;
  text-decoration: none;
}

.sidebar-nav .nav-link:hover {
  background: var(--bg-card);
  color: var(--text-primary);
  text-decoration: none;
}

.sidebar-nav .nav-link.active {
  background: linear-gradient(135deg, rgba(214,168,75,0.12), rgba(214,168,75,0.05));
  color: var(--gold);
  border: 1px solid rgba(214,168,75,0.2);
}

.sidebar-nav .nav-link i {
  width: 20px;
  text-align: center;
}

.sidebar-nav .nav-link .badge {
  margin-left: auto;
  background: var(--danger);
  color: white;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 10px;
}

.sidebar-footer {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--line);
  flex-shrink: 0;
}

.sidebar-footer .user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-footer .user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-3));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-deep);
  font-weight: 700;
  font-size: 14px;
}

.sidebar-footer .user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

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

/* === Main Content === */
.main-content {
  margin-left: 260px;
  flex: 1;
  padding: var(--space-xl);
  min-height: 100vh;
}

/* === Top Bar === */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--line);
}

.topbar h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
}

.topbar .breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
}

.topbar .breadcrumb span {
  color: var(--text-secondary);
}

/* === Page Header === */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.page-header h2 {
  font-size: 20px;
  font-weight: 600;
}

/* === Cards Grid === */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.card-dark {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all 0.3s ease;
}

.card-dark:hover {
  border-color: var(--gold-3);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.card-dark .icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(214,168,75,0.1);
  border: 1px solid rgba(214,168,75,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 20px;
  margin-bottom: var(--space-md);
}

.card-dark h3 {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.card-dark .price {
  font-size: 28px;
  font-weight: 700;
  color: var(--gold);
}

.card-dark .price small {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 4px;
}

/* === Panels === */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.panel h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

/* === Buttons === */
.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--gold), var(--gold-3));
  color: var(--bg-deep);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-gold:hover {
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  box-shadow: 0 4px 15px rgba(214,168,75,0.3);
  transform: translateY(-1px);
  text-decoration: none;
  color: var(--bg-deep);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-ghost:hover {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--gold-3);
  text-decoration: none;
}

.btn-danger-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(255,107,107,0.3);
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-danger-ghost:hover {
  background: rgba(255,107,107,0.1);
  color: var(--danger);
  border-color: var(--danger);
  text-decoration: none;
}

.btn-group {
  display: flex;
  gap: 8px;
}

/* === Tables === */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-panel);
}

thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--gold-2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--line);
  background: var(--bg-panel-2);
}

tbody td {
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--line-2);
  color: var(--text-secondary);
}

tbody tr:hover {
  background: rgba(214,168,75,0.03);
}

tbody tr:last-child td {
  border-bottom: none;
}

/* === Status Badges === */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.status-badge.disponivel {
  background: rgba(0,168,132,0.1);
  color: var(--green);
  border: 1px solid rgba(0,168,132,0.3);
}

.status-badge.em_uso, .status-badge.em-rota {
  background: rgba(214,168,75,0.1);
  color: var(--gold);
  border: 1px solid rgba(214,168,75,0.3);
}

.status-badge.manutencao, .status-badge.oficina {
  background: rgba(255,107,107,0.1);
  color: var(--danger);
  border: 1px solid rgba(255,107,107,0.3);
}

.status-badge.confirmada {
  background: rgba(0,168,132,0.1);
  color: var(--green);
  border: 1px solid rgba(0,168,132,0.3);
}

.status-badge.pendente {
  background: rgba(255,193,7,0.1);
  color: var(--warning);
  border: 1px solid rgba(255,193,7,0.3);
}

/* === Forms === */
.form-card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  max-width: 640px;
}

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

.form-card .form-control, 
.form-card input[type="text"],
.form-card input[type="email"],
.form-card input[type="password"],
.form-card input[type="number"],
.form-card input[type="date"],
.form-card input[type="datetime-local"],
.form-card input[type="file"],
.form-card select,
.form-card textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  transition: all 0.2s ease;
  font-family: var(--font-sans);
}

.form-card .form-control:focus,
.form-card input:focus,
.form-card select:focus,
.form-card textarea:focus {
  outline: none;
  border-color: var(--gold-3);
  box-shadow: 0 0 0 3px rgba(214,168,75,0.1);
}

.form-card .form-control::placeholder {
  color: var(--text-muted);
}

.form-card select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-card .form-text {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-card .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-card .mb-3 {
  margin-bottom: var(--space-md);
}

.form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--line);
}

/* === Alerts === */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: var(--space-lg);
  border: 1px solid;
}

.alert-success {
  background: rgba(0,168,132,0.1);
  color: var(--green);
  border-color: rgba(0,168,132,0.3);
}

.alert-danger {
  background: rgba(255,107,107,0.1);
  color: var(--danger);
  border-color: rgba(255,107,107,0.3);
}

.alert-warning {
  background: rgba(255,193,7,0.1);
  color: var(--warning);
  border-color: rgba(255,193,7,0.3);
}

.alert-info {
  background: rgba(13,110,253,0.1);
  color: #6ea8fe;
  border-color: rgba(13,110,253,0.3);
}

/* === Search / Filter Bar === */
.filter-bar {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.filter-bar input {
  flex: 1;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
}

.filter-bar input:focus {
  outline: none;
  border-color: var(--gold-3);
}

.filter-bar input::placeholder {
  color: var(--text-muted);
}

/* === Eyebrow / Section Titles === */
.eyebrow {
  font-size: 12px;
  font-weight: 500;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

/* === Hero Grid === */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

/* === Text Utilities === */
.text-gold { color: var(--gold); }
.text-danger { color: var(--danger); }
.text-green { color: var(--green); }
.text-muted { color: var(--text-muted); }
.text-white { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }

.fw-bold { font-weight: 700; }
.fw-semibold { font-weight: 600; }
.fw-medium { font-weight: 500; }

.text-uppercase { text-transform: uppercase; }
.text-center { text-align: center; }

.small { font-size: 13px; }
.mini { font-size: 12px; }

/* === Spacing Utilities === */
.m-0 { margin: 0; }
.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.p-0 { padding: 0; }
.p-2 { padding: var(--space-sm); }
.p-3 { padding: var(--space-md); }
.p-4 { padding: var(--space-lg); }

.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.gap-1 { gap: var(--space-xs); }
.gap-2 { gap: var(--space-sm); }
.gap-3 { gap: var(--space-md); }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.w-100 { width: 100%; }

/* === Empty State === */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 48px;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

/* === Responsive === */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
    padding: var(--space-md);
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
  }
  
  .cards {
    grid-template-columns: 1fr;
  }
  
  .form-card .form-row {
    grid-template-columns: 1fr;
  }
  
  .form-actions {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .filter-bar {
    flex-direction: column;
  }
  
  .page-header {
    flex-direction: column;
    gap: var(--space-md);
    align-items: flex-start;
  }
}

/* === Login Page === */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-deep);
  padding: var(--space-md);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.login-card .login-brand {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.login-card .login-brand .brand-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--gold), var(--gold-3));
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-deep);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.login-card .login-brand h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.login-card .login-brand p {
  font-size: 13px;
  color: var(--text-muted);
}

.login-card .form-group {
  margin-bottom: var(--space-md);
}

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

.login-card .form-group input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  transition: all 0.2s;
}

.login-card .form-group input:focus {
  outline: none;
  border-color: var(--gold-3);
  box-shadow: 0 0 0 3px rgba(214,168,75,0.1);
}

.login-card .login-btn {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, var(--gold), var(--gold-3));
  color: var(--bg-deep);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: var(--space-sm);
}

.login-card .login-btn:hover {
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  box-shadow: 0 4px 15px rgba(214,168,75,0.3);
}

/* === Toggle sidebar mobile === */
.sidebar-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-2);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 18px;
  margin-bottom: var(--space-md);
}

@media (max-width: 768px) {
  .sidebar-toggle {
    display: inline-block;
  }
}