/* ============================
   PC Space - Intranet
   ============================ */

:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --dark-3: #334155;
  --gray: #64748b;
  --gray-light: #94a3b8;
  --light: #f1f5f9;
  --light-2: #e2e8f0;
  --white: #ffffff;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --transition: 0.2s ease;
}

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

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--light);
  color: var(--dark);
  line-height: 1.5;
}

/* Login */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a, #1e3a5f, #1e40af);
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 1rem;
}

.login-card {
  background: var(--white);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-logo {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.75rem; color: #fff;
}

.login-card h1 {
  font-size: 1.75rem;
  margin-bottom: 0.25rem;
}

.login-subtitle {
  color: var(--gray);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.login-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1.25rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--light-2);
}
.login-tab {
  flex: 1;
  padding: 0.55rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  color: var(--gray);
  background: var(--light);
  transition: var(--transition);
}
.login-tab:hover {
  color: var(--primary);
  background: #e8eef5;
}
.login-tab.active {
  background: var(--primary);
  color: #fff;
}

.login-back {
  display: inline-block;
  margin-top: 1.25rem;
  color: var(--gray);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
}
.login-back:hover { color: var(--primary); }

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

.sidebar {
  width: 240px;
  min-width: 240px;
  background: var(--dark);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  z-index: 100;
}

.sidebar-brand {
  padding: 1.25rem 1rem;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-brand i { font-size: 1.5rem; color: var(--primary); }

.sidebar-nav {
  flex: 1;
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0.85rem;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}
.nav-item:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}
.nav-item.active {
  background: rgba(59,130,246,0.2);
  color: #fff;
}
.nav-item.active i { color: var(--primary); }

.nav-logout { color: rgba(239,68,68,0.7) !important; }
.nav-logout:hover { background: rgba(239,68,68,0.15) !important; color: #ef4444 !important; }

.sidebar-footer {
  padding: 1rem 0.75rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  padding: 0 0.5rem;
}

.main-content {
  margin-left: 240px;
  flex: 1;
  padding: 2rem;
  min-width: 0;
}

/* Page Header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.page-header p {
  color: var(--gray);
  font-size: 0.9rem;
  width: 100%;
  margin-top: -0.5rem;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--light-2);
}

.stat-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  display: block;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--gray);
}

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--light-2);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--light-2);
}
.card-header h3 {
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-body {
  padding: 1.25rem;
}

.mb-3 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 0.75rem; }

/* Tables */
.table-responsive {
  overflow-x: auto;
}

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

.table th {
  background: var(--light);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray);
  padding: 0.65rem 0.85rem;
  text-align: left;
  border-bottom: 2px solid var(--light-2);
}

.table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--light-2);
  font-size: 0.9rem;
}

.table tbody tr:hover {
  background: rgba(59,130,246,0.03);
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-light); }

/* Badges */
.badge {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-success { background: rgba(16,185,129,0.1); color: #059669; }
.badge-primary { background: rgba(59,130,246,0.1); color: #2563eb; }
.badge-danger { background: rgba(239,68,68,0.1); color: #dc2626; }
.badge-secondary { background: rgba(100,116,139,0.1); color: #475569; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { filter: brightness(1.1); }

.btn-danger { background: rgba(239,68,68,0.1); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-outline {
  background: var(--white);
  color: var(--dark-3);
  border: 1.5px solid var(--light-2);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-ghost {
  background: transparent;
  color: var(--gray);
}
.btn-ghost:hover { color: var(--dark); }

.btn-sm { padding: 0.4rem 0.75rem; font-size: 0.8rem; }
.btn-lg { padding: 0.75rem 1.75rem; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.35rem;
  color: var(--dark-2);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border: 1.5px solid var(--light-2);
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--dark);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.input-highlight {
  border-color: var(--primary) !important;
  font-weight: 700;
  font-size: 1.1rem !important;
  background: rgba(59,130,246,0.04) !important;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 1.25rem;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem 1.25rem;
}

.form-inline-grid {
  display: grid;
  grid-template-columns: 2fr 0.5fr 1fr auto;
  gap: 1rem;
  align-items: end;
}

.form-action {
  padding-bottom: 1rem;
}

.form-input-sm {
  padding: 0.35rem 0.5rem;
  border: 1.5px solid var(--light-2);
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: inherit;
  outline: none;
  width: 100%;
  transition: var(--transition);
}
.form-input-sm:focus {
  border-color: var(--primary);
}

.form-select-sm {
  padding: 0.45rem 0.75rem;
  border: 1.5px solid var(--light-2);
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  background: var(--white);
  min-width: 160px;
}
.form-select-sm:focus { border-color: var(--primary); }

.form-input-search {
  padding: 0.45rem 0.85rem;
  border: 1.5px solid var(--light-2);
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  flex: 1;
  min-width: 200px;
}
.form-input-search:focus { border-color: var(--primary); }

.filter-bar {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.select-add-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.select-add-row select { flex: 1; }

.form-actions {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
  margin-bottom: 2rem;
}

/* Table items (cotización) */
.table-items thead th {
  background: var(--primary);
  color: #fff;
  font-size: 0.75rem;
  border-bottom: none;
}
.table-items tfoot td {
  background: var(--light);
  font-size: 0.85rem;
  border-bottom: 1px solid var(--light-2);
}

/* Alerts */
.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.alert-success {
  background: rgba(16,185,129,0.1);
  color: #059669;
  border: 1px solid rgba(16,185,129,0.2);
}

.alert-error {
  background: rgba(239,68,68,0.1);
  color: #dc2626;
  border: 1px solid rgba(239,68,68,0.2);
}

/* Actions */
.actions-cell {
  display: flex;
  gap: 0.35rem;
  align-items: center;
}

.inline-form {
  display: inline;
}

/* Galería admin */
.galeria-admin-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.galeria-admin-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid var(--light-2);
  transition: var(--transition);
}

.galeria-admin-item.inactive {
  opacity: 0.4;
}

.galeria-admin-img {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--light);
}

.galeria-admin-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.galeria-admin-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  opacity: 0;
  transition: var(--transition);
}

.galeria-admin-item:hover .galeria-admin-overlay {
  opacity: 1;
}

.galeria-admin-title-form {
  padding: 0.5rem;
}

.galeria-admin-title-form .form-input-sm {
  font-size: 0.8rem;
  text-align: center;
}

/* Responsive */
@media (max-width: 991px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }
  .main-content {
    margin-left: 0;
    padding: 1.5rem 1rem;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .form-grid-2,
  .form-grid-3 {
    grid-template-columns: 1fr;
  }
  .form-inline-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .galeria-admin-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}