:root {
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --secondary-color: #475569;
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --accent-sysadmin: #7c3aed;
  --accent-admin: #2563eb;
  --accent-usuario: #059669;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content {
  flex: 1;
}

/* Navbar Customizations */
.navbar-custom {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.navbar-brand-title {
  font-weight: 700;
  letter-spacing: -0.5px;
  color: #ffffff;
}

.nav-link {
  color: #94a3b8 !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  border-radius: 0.5rem;
  transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff !important;
  background-color: rgba(255, 255, 255, 0.1);
}

/* Custom Cards */
.card-custom {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-custom:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
}

/* Stat Cards */
.stat-card {
  border-left: 4px solid var(--primary-color);
}
.stat-card.version-stat {
  border-left-color: var(--primary-color);
}
.stat-card.date-stat {
  border-left-color: #0891b2;
}
.stat-card.total-stat {
  border-left-color: #059669;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
}
.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

/* Product Search Input */
.search-input-group .form-control {
  border-radius: 0.75rem 0 0 0.75rem;
  border: 2px solid var(--border-color);
  padding: 0.75rem 1.25rem;
  font-size: 1.1rem;
}

.search-input-group .form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.search-input-group .btn {
  border-radius: 0 0.75rem 0.75rem 0;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  font-weight: 600;
}

/* Table Design */
.table-custom {
  border-collapse: separate;
  border-spacing: 0;
}

.table-custom thead th {
  background-color: #f1f5f9;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border-color);
  padding: 1rem;
}

.table-custom tbody tr {
  transition: background-color 0.15s ease;
}

/* Zebra Striping (Tabela Zebrada) */
.table-striped tbody tr:nth-of-type(odd) {
  background-color: #f8fafc;
}

.table-striped tbody tr:nth-of-type(even) {
  background-color: #ffffff;
}

.table-striped tbody tr:hover {
  background-color: #eff6ff !important;
}

.table-custom tbody td {
  padding: 1rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--border-color);
}

.product-code-badge {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-weight: 700;
  background-color: #e2e8f0;
  color: #334155;
  padding: 0.35rem 0.65rem;
  border-radius: 0.375rem;
  font-size: 0.9rem;
}

.unit-badge {
  background-color: #f1f5f9;
  color: #475569;
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  border-radius: 0.375rem;
  font-size: 0.8rem;
  border: 1px solid #cbd5e1;
}

.price-tag {
  font-size: 1.15rem;
  font-weight: 700;
  color: #166534;
}

/* Role Badges */
.badge-role-sysadmin {
  background-color: #f3e8ff;
  color: #6b21a8;
  border: 1px solid #d8b4fe;
}
.badge-role-admin {
  background-color: #dbeafe;
  color: #1e40af;
  border: 1px solid #93c5fd;
}
.badge-role-usuario {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #6ee7b7;
}

/* Login Page Styling */
.login-body {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
  padding: 2.5rem;
  width: 100%;
  max-width: 440px;
}

/* Pagination Custom */
.pagination-custom .page-link {
  color: #334155;
  border-color: #e2e8f0;
  padding: 0.5rem 0.85rem;
  font-weight: 500;
  border-radius: 0.375rem;
  margin: 0 2px;
}

.pagination-custom .page-link:hover {
  background-color: #f1f5f9;
  color: var(--primary-color);
  border-color: #cbd5e1;
}

.pagination-custom .page-item.active .page-link {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.25);
}

.pagination-custom .page-item.disabled .page-link {
  color: #94a3b8;
  background-color: #f8fafc;
}

/* Quote Drawer & Action Buttons */
.add-to-quote-btn {
  transition: all 0.2s ease;
}

.add-to-quote-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.2);
}

.qty-input::-webkit-inner-spin-button,
.qty-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.qty-input {
  -moz-appearance: textfield;
}