:root {
  --prisma-blue-dark: #003366;
  --prisma-blue: #0066b3;
  --prisma-blue-light: #0091da;
  --prisma-orange: #f47920;
  --prisma-orange-dark: #d96510;
  --prisma-gray: #f4f6f8;
  --prisma-text: #2c3e50;
  --prisma-body-bg: #f4f6f8;
  --prisma-card-bg: #ffffff;
  --prisma-border-color: #eef2f6;
  --prisma-input-border: #dce4ec;
  --prisma-table-header-text: #ffffff;
  --prisma-footer-bg: #ffffff;
  --prisma-toast-bg: #ffffff;
  --prisma-toast-border: rgba(0, 0, 0, 0.08);
}

body.dark-mode {
  --prisma-gray: #1a1f2b;
  --prisma-text: #e2e8f0;
  --prisma-body-bg: #0f172a;
  --prisma-card-bg: #1e293b;
  --prisma-border-color: #334155;
  --prisma-input-border: #475569;
  --prisma-table-header-text: #f8fafc;
  --prisma-footer-bg: #1e293b;
  --prisma-toast-bg: #1e293b;
  --prisma-toast-border: rgba(255, 255, 255, 0.08);
}

body {
  background-color: var(--prisma-body-bg);
  color: var(--prisma-text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.navbar {
  background: linear-gradient(135deg, var(--prisma-blue-dark) 0%, var(--prisma-blue) 100%);
  box-shadow: 0 2px 12px rgba(0, 51, 102, 0.25);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.35rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #fff !important;
}

.navbar-brand img {
  height: 42px;
  width: auto;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
  background: #fff;
  border-radius: 8px;
  padding: 3px;
}

.navbar-dark .nav-link {
  color: rgba(255,255,255,0.9) !important;
  font-weight: 500;
  transition: color 0.2s;
}

.navbar-dark .nav-link:hover,
.navbar-dark .nav-link:focus {
  color: #fff !important;
}

.navbar-dark .dropdown-menu {
  border: none;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  border-radius: 10px;
  background-color: var(--prisma-card-bg);
}

.navbar-dark .dropdown-item {
  font-weight: 500;
  padding: 0.6rem 1rem;
  color: var(--prisma-text);
}

.navbar-dark .dropdown-item:hover {
  background-color: var(--prisma-gray);
  color: var(--prisma-blue-dark);
}

.btn-primary {
  background: linear-gradient(135deg, var(--prisma-orange) 0%, var(--prisma-orange-dark) 100%);
  border: none;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(244, 121, 32, 0.3);
  transition: all 0.2s;
}

.btn-primary:hover,
.btn-primary:focus {
  background: linear-gradient(135deg, var(--prisma-orange-dark) 0%, #c2570b 100%);
  box-shadow: 0 6px 16px rgba(244, 121, 32, 0.4);
  transform: translateY(-1px);
}

.btn-outline-primary {
  color: var(--prisma-blue);
  border-color: var(--prisma-blue);
  font-weight: 500;
}

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

.btn-outline-secondary {
  color: var(--prisma-blue-dark);
  border-color: #cbd5e1;
  font-weight: 500;
}

body.dark-mode .btn-outline-secondary {
  color: var(--prisma-text);
  border-color: var(--prisma-input-border);
}

.btn-outline-secondary:hover {
  background-color: var(--prisma-gray);
  border-color: var(--prisma-blue);
  color: var(--prisma-blue);
}

.btn-success {
  background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
  border: none;
  font-weight: 600;
}

.btn-danger {
  background: linear-gradient(135deg, #dc3545 0%, #a71d2a 100%);
  border: none;
  font-weight: 600;
}

.btn-warning {
  background: linear-gradient(135deg, #ffc107 0%, #e0a800 100%);
  border: none;
  color: #212529;
  font-weight: 600;
}

.btn-info {
  background: linear-gradient(135deg, #17a2b8 0%, #117a8b 100%);
  border: none;
  color: #fff;
  font-weight: 600;
}

.card {
  border: none;
  border-radius: 14px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transition: transform 0.2s, box-shadow 0.2s;
  background-color: var(--prisma-card-bg);
}

.card:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,0.1);
}

.card-header {
  background-color: var(--prisma-card-bg);
  border-bottom: 1px solid var(--prisma-border-color);
  font-weight: 600;
  color: var(--prisma-blue-dark);
  border-radius: 14px 14px 0 0 !important;
  padding: 1rem 1.25rem;
}

body.dark-mode .card-header {
  color: var(--prisma-blue-light);
}

.table {
  background: var(--prisma-card-bg);
  border-radius: 14px;
  overflow: hidden;
  color: var(--prisma-text);
}

.table thead th {
  background: linear-gradient(135deg, var(--prisma-blue-dark) 0%, var(--prisma-blue) 100%);
  color: var(--prisma-table-header-text);
  font-weight: 600;
  border: none;
  vertical-align: middle;
}

.table tbody td {
  vertical-align: middle;
  border-color: var(--prisma-border-color);
}

.badge.bg-secondary {
  background-color: var(--prisma-blue-light) !important;
}

.form-control, .form-select {
  border-radius: 8px;
  border-color: var(--prisma-input-border);
  background-color: var(--prisma-card-bg);
  color: var(--prisma-text);
}

.form-control:focus, .form-select:focus {
  border-color: var(--prisma-blue);
  box-shadow: 0 0 0 0.2rem rgba(0, 102, 179, 0.15);
  background-color: var(--prisma-card-bg);
  color: var(--prisma-text);
}

.form-label {
  font-weight: 500;
  color: var(--prisma-blue-dark);
  margin-bottom: 0.35rem;
}

body.dark-mode .form-label {
  color: var(--prisma-blue-light);
}

.pagination .page-item.active .page-link {
  background: linear-gradient(135deg, var(--prisma-blue) 0%, var(--prisma-blue-dark) 100%);
  border-color: var(--prisma-blue);
  color: #fff;
}

.pagination .page-link {
  color: var(--prisma-blue);
  font-weight: 500;
  background-color: var(--prisma-card-bg);
  border-color: var(--prisma-border-color);
}

body.dark-mode .pagination .page-link {
  color: var(--prisma-blue-light);
}

.pagination .page-link:hover {
  color: var(--prisma-blue-dark);
  background-color: var(--prisma-gray);
}

.page-title {
  color: var(--prisma-blue-dark);
  font-weight: 700;
}

body.dark-mode .page-title {
  color: var(--prisma-blue-light);
}

footer {
  margin-top: auto;
  background: var(--prisma-footer-bg);
  border-top: 1px solid var(--prisma-border-color);
}

footer img {
  height: 36px;
  width: auto;
}

.card-dashboard {
  border-left: 5px solid var(--prisma-orange);
}

.card-dashboard .card-title {
  color: var(--prisma-blue-dark);
  font-weight: 700;
}

body.dark-mode .card-dashboard .card-title {
  color: var(--prisma-blue-light);
}

/* Product image hover preview ------------------------------------------------ */
.image-preview-wrapper {
  display: inline-block;
  position: relative;
  cursor: zoom-in;
}

.image-preview-wrapper .image-fullsize-overlay {
  opacity: 0;
  visibility: hidden;
  position: absolute;
  z-index: 1050;
  top: 0;
  left: calc(100% + 12px);
  background: var(--prisma-card-bg);
  border: 2px solid var(--prisma-blue-light);
  border-radius: 12px;
  padding: 0.75rem;
  box-shadow: 0 1rem 2rem rgba(0,0,0,0.2);
  max-width: min(650px, 85vw);
  max-height: min(500px, 80vh);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
  transform: translateX(-8px);
  pointer-events: none;
}

.image-preview-wrapper:hover .image-fullsize-overlay {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.image-fullsize-overlay img {
  max-width: 100%;
  max-height: min(480px, 78vh);
  width: auto;
  height: auto;
  border-radius: 8px;
}

.image-preview-wrapper .image-fullsize-overlay::before {
  content: '';
  position: absolute;
  top: 20px;
  left: -10px;
  width: 0;
  height: 0;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-right: 10px solid var(--prisma-blue-light);
}

/* Larger preview specifically inside product forms */
.product-image-preview .image-preview-wrapper .image-fullsize-overlay {
  max-width: min(800px, 90vw);
  max-height: min(650px, 85vh);
  left: calc(100% + 16px);
}

.product-image-preview .image-fullsize-overlay img {
  max-height: min(620px, 82vh);
}

/* Breadcrumbs ---------------------------------------------------------------- */
.breadcrumb {
  background-color: var(--prisma-card-bg);
  border-radius: 10px;
  padding: 0.5rem 1rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.breadcrumb-item a {
  color: var(--prisma-blue);
  text-decoration: none;
  font-weight: 500;
}

body.dark-mode .breadcrumb-item a {
  color: var(--prisma-blue-light);
}

.breadcrumb-item.active {
  color: var(--prisma-text);
}

/* Toast notifications -------------------------------------------------------- */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1060;
}

.toast {
  background-color: var(--prisma-toast-bg);
  border: 1px solid var(--prisma-toast-border);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  border-radius: 12px;
  color: var(--prisma-text);
}

/* Dark mode toggle ----------------------------------------------------------- */
#dark-mode-toggle {
  color: rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 0.35rem 0.7rem;
  border-radius: 8px;
  transition: all 0.2s;
}

#dark-mode-toggle:hover {
  background-color: rgba(255,255,255,0.1);
  color: #fff;
}

/* Mobile product cards ------------------------------------------------------- */
.product-card {
  background-color: var(--prisma-card-bg);
  border: 1px solid var(--prisma-border-color);
  border-radius: 14px;
  padding: 1rem;
  margin-bottom: 1rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.product-card .product-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.product-card .product-card-title {
  font-weight: 700;
  color: var(--prisma-blue-dark);
  margin-bottom: 0.25rem;
}

body.dark-mode .product-card .product-card-title {
  color: var(--prisma-blue-light);
}

.product-card .product-card-meta {
  font-size: 0.875rem;
  color: var(--prisma-text);
  opacity: 0.85;
}

.product-card .product-card-image {
  border-radius: 10px;
  max-height: 120px;
  object-fit: cover;
  width: 100%;
  margin-bottom: 0.75rem;
}

/* Kanban improvements -------------------------------------------------------- */
.kanban-board {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 1rem;
  scrollbar-width: thin;
}

.kanban-column {
  min-width: 300px;
  max-width: 300px;
  background-color: var(--prisma-gray);
  border-radius: 14px;
  padding: 1rem;
  border: 1px solid var(--prisma-border-color);
}

.kanban-card {
  background-color: var(--prisma-card-bg);
  border-radius: 10px;
  padding: 0.75rem;
  margin-bottom: 0.75rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  cursor: grab;
  border: 1px solid var(--prisma-border-color);
}

.kanban-card:active {
  cursor: grabbing;
}

@media (max-width: 768px) {
  .image-preview-wrapper .image-fullsize-overlay {
    left: 50%;
    top: 100%;
    margin-top: 10px;
    transform: translateX(-50%) translateY(-8px);
  }
  .image-preview-wrapper:hover .image-fullsize-overlay {
    transform: translateX(-50%) translateY(0);
  }
  .image-preview-wrapper .image-fullsize-overlay::before {
    display: none;
  }

  .kanban-board {
    gap: 0.75rem;
  }

  .kanban-column {
    min-width: 260px;
    max-width: 260px;
  }
}