/* -------------------------------------------------------------
   OFICINAPRO - AUTOMOTIVE DESIGN SYSTEM (VANILLA CSS)
   Clean, modern high-contrast theme optimized for workshop screens
------------------------------------------------------------- */
:root {
  --bg-dark: #121820;
  --bg-card: #1c2430;
  --bg-input: #263242;
  --border-color: #2e3d52;

  --text-main: #f0f4f8;
  --text-muted: #94a3b8;

  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --accent-amber: #f59e0b;
  --accent-green: #10b981;
  --accent-red: #ef4444;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Helper Utilities */
.hidden { display: none !important; }
.text-muted { color: var(--text-muted); }
.success { color: var(--accent-green) !important; }
.highlight { color: var(--accent-amber) !important; }

/* Auth / Login Page */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  background: radial-gradient(circle at top right, #1e293b, #0f172a);
}

.auth-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

.auth-header {
  text-align: center;
  margin-bottom: 24px;
}

.logo-icon {
  font-size: 48px;
  margin-bottom: 8px;
}

.auth-header h2 {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
}

.auth-header p {
  font-size: 14px;
  color: var(--text-muted);
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 10px 14px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
}

.form-row {
  display: flex;
  gap: 12px;
}

.flex-1 { flex: 1; }
.flex-2 { flex: 2; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }

.btn-secondary { background: #334155; color: #fff; }
.btn-secondary:hover { background: #475569; }

.btn-outline { background: transparent; border: 1px solid var(--border-color); color: var(--text-main); }
.btn-outline:hover { background: rgba(255, 255, 255, 0.05); }

.btn-block { width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* Alert Messages */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-top: 14px;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid var(--accent-red);
  color: #fca5a5;
}

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

.sidebar {
  width: 260px;
  background: var(--bg-card);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
}

.brand-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.brand-title {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  margin-left: auto;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  background: var(--bg-input);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
}

.user-name { font-size: 13px; font-weight: 600; display: block; }
.user-role { font-size: 11px; color: var(--accent-amber); display: block; text-transform: uppercase; }

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  width: 100%;
}

.nav-item:hover, .nav-item.active {
  background: rgba(37, 99, 235, 0.15);
  color: #fff;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
}

/* Main Content Area */
.main-content {
  margin-left: 260px;
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-dark);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 30px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
}

.page-title {
  font-size: 20px;
  font-weight: 700;
}

.quick-actions {
  display: flex;
  gap: 12px;
}

.content-container {
  padding: 24px 30px;
  flex: 1;
}

.view-panel { display: none; }
.view-panel.active { display: block; }

/* Dashboard Metrics & Layout */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
}

.metric-label { font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }
.metric-value { font-size: 24px; font-weight: 700; color: #fff; }

.dash-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 20px;
}

.card h3 {
  font-size: 16px;
  margin-bottom: 16px;
  color: #fff;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

/* Data Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

.data-table th {
  background: var(--bg-input);
  color: var(--text-muted);
  font-weight: 600;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Modals */
.modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-lg { max-width: 800px; }

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.close-modal {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-muted);
  cursor: pointer;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 20px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

/* Mobile Responsiveness */
@media (max-width: 900px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  .mobile-menu-toggle { display: block; }
  .nav-menu { display: none; }
  .nav-menu.open { display: flex; }
  .main-content { margin-left: 0; }
  .dash-columns { grid-template-columns: 1fr; }
}