/* Tema Enterprise Professionale - Update Server */
/* Colori: Blu Navy (#0f172a), Blu intermedio (#1e40af), Grigio chiaro (#f8fafc) */

/* CSS Variables per tema duale */
:root {
  /* Tema LIGHT (default) */
  --bg-primary: #f8f9fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --text-muted: #64748b;
  --accent: #0d6efd;
  --accent-hover: #0b5ed7;
  --border-color: #e2e8f0;
  --card-border: #e2e8f0;
  --navbar-bg: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  --footer-bg: #0f172a;
  --footer-text: #94a3b8;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.1);
  --table-stripe: #f8fafc;
  --table-hover: #f1f5f9;
  --input-bg: #ffffff;
  --input-border: #cbd5e1;
  --scrollbar-track: #f1f5f9;
  --scrollbar-thumb: #cbd5e1;
}

[data-theme="dark"] {
  /* Tema DARK */
  --bg-primary: #1e1e1e !important;
  --bg-secondary: #2d2d2d !important;
  --bg-tertiary: #252525 !important;
  --text-primary: #e0e0e0 !important;
  --text-secondary: #adb5bd !important;
  --text-muted: #6c757d !important;
  --accent: #6ea8fe !important;
  --accent-hover: #4da3ff !important;
  --border-color: #404040 !important;
  --card-border: #404040 !important;
  --navbar-bg: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%) !important;
  --footer-bg: #1a1a1a !important;
  --footer-text: #94a3b8 !important;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.3) !important;
  --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.4) !important;
  --table-stripe: #252525 !important;
  --table-hover: #2d2d2d !important;
  --input-bg: #2d2d2d !important;
  --input-border: #444444 !important;
  --scrollbar-track: #2d2d2d !important;
  --scrollbar-thumb: #444444 !important;
}

/* Reset and base styles */
* {
  box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  color: var(--text-primary);
}

.card-title {
  font-weight: 600;
}

/* Container */
.container {
  background-color: inherit;
  max-width: 1400px;
}

/* Navbar - Enterprise Style */
.navbar-enterprise {
  background: var(--navbar-bg) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  padding: 0.75rem 0;
}

.navbar-enterprise .navbar-brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: #fff !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-enterprise .navbar-brand i {
  color: #60a5fa;
}

.navbar-enterprise .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  border-radius: 6px;
  transition: all 0.2s ease;
}

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

.navbar-enterprise .navbar-nav .nav-link.active {
  background-color: rgba(96, 165, 250, 0.2);
  color: #60a5fa !important;
}

/* Cards - Enterprise Style */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: all 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-hover);
}

.card-header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 1rem 1.25rem;
  font-weight: 600;
}

.card-header h5 {
  margin: 0;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-header h5 i {
  color: #1e40af;
}

/* Stat Cards */
.stat-card {
  border: none;
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.stat-card .card-body {
  padding: 1.5rem;
}

.stat-card .stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.stat-card .stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-top: 0.5rem;
}

.stat-card .stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Stat card colors */
.stat-card.primary .stat-icon {
  background-color: rgba(30, 64, 175, 0.1);
  color: #1e40af;
}

.stat-card.success .stat-icon {
  background-color: rgba(22, 163, 74, 0.1);
  color: #16a34a;
}

.stat-card.warning .stat-icon {
  background-color: rgba(217, 119, 6, 0.1);
  color: #d97706;
}

.stat-card.info .stat-icon {
  background-color: rgba(14, 165, 233, 0.1);
  color: #0ea5e9;
}

/* Tables */
.table {
  color: var(--text-primary);
}

.table thead th {
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  border-bottom: 2px solid var(--border-color);
  padding: 0.875rem 1rem;
}

.table tbody td {
  padding: 0.875rem 1rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--border-color);
}

.table-striped tbody tr:nth-of-type(odd) {
  background-color: var(--table-stripe);
}

.table-hover tbody tr:hover {
  background-color: var(--table-hover);
}

/* Form Controls */
.form-control, .form-select {
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-primary);
  border-radius: 8px;
  padding: 0.625rem 0.875rem;
  transition: all 0.2s ease;
}

.form-control:focus, .form-select:focus {
  background-color: var(--input-bg);
  border-color: var(--accent);
  color: var(--text-primary);
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
}

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

.form-label {
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.375rem;
  font-size: 0.875rem;
}

/* Buttons */
.btn {
  font-weight: 500;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: #1e40af;
  border-color: #1e40af;
}

.btn-primary:hover {
  background-color: #1e3a8a;
  border-color: #1e3a8a;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.btn-success {
  background-color: #16a34a;
  border-color: #16a34a;
}

.btn-success:hover {
  background-color: #15803d;
  border-color: #15803d;
}

.btn-warning {
  background-color: #d97706;
  border-color: #d97706;
  color: #fff;
}

.btn-warning:hover {
  background-color: #b45309;
  border-color: #b45309;
}

.btn-danger {
  background-color: #dc2626;
  border-color: #dc2626;
}

.btn-danger:hover {
  background-color: #b91c1c;
  border-color: #b91c1c;
}

.btn-outline-primary {
  color: #1e40af;
  border-color: #1e40af;
}

.btn-outline-primary:hover {
  background-color: #1e40af;
  color: #fff;
}

.btn-outline-secondary {
  color: #64748b;
  border-color: #cbd5e1;
}

.btn-outline-secondary:hover {
  background-color: #f1f5f9;
  color: #475569;
  border-color: #94a3b8;
}

.btn-outline-danger {
  color: #dc2626;
  border-color: #dc2626;
}

.btn-outline-danger:hover {
  background-color: #dc2626;
  color: #fff;
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

/* Badges */
.badge {
  font-weight: 500;
  padding: 0.35em 0.65em;
  border-radius: 6px;
}

.badge.bg-primary {
  background-color: #1e40af !important;
}

.badge.bg-secondary {
  background-color: #64748b !important;
}

.badge.bg-success {
  background-color: #16a34a !important;
}

.badge.bg-warning {
  background-color: #d97706 !important;
}

.badge.bg-danger {
  background-color: #dc2626 !important;
}

/* Alert */
.alert {
  border: none;
  border-radius: 8px;
}

.alert-success {
  background-color: #dcfce7;
  color: #166534;
}

.alert-danger {
  background-color: #fee2e2;
  color: #991b1b;
}

.alert-warning {
  background-color: #fef3c7;
  color: #92400e;
}

.alert-info {
  background-color: #dbeafe;
  color: #1e40af;
}

/* Footer */
.footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
  border-top: none;
  padding: 1.5rem 0;
}

.footer a {
  color: #60a5fa;
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

/* Text colors */
.text-muted {
  color: var(--text-muted) !important;
}

.text-primary {
  color: var(--accent) !important;
}

.status-success {
  color: #16a34a;
}

.status-error {
  color: #dc2626;
}

.status-pending {
  color: #d97706;
}

/* Activity Chart */
.activity-chart-container {
  background-color: var(--bg-secondary);
  border-radius: 12px;
  padding: 1rem;
}

/* Version Cards */
.version-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 0.75rem;
  transition: all 0.2s ease;
}

.version-card:hover {
  border-color: #1e40af;
  box-shadow: 0 2px 8px rgba(30, 64, 175, 0.1);
}

.version-card.critical {
  border-left: 4px solid #dc2626;
}

/* List Groups */
.list-group {
  border: 1px solid var(--card-border);
  border-radius: 10px;
  overflow: hidden;
}

.list-group-item {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.list-group-item:first-child {
  border-top: none;
}

.list-group-item:last-child {
  border-bottom: none;
}

.list-group-item-action:hover {
  background-color: #f8fafc;
}

/* Dropdown */
.dropdown-menu {
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  padding: 0.5rem;
}

.dropdown-item {
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.dropdown-item:hover {
  background-color: var(--table-hover);
}

/* Modal */
.modal-content {
  background-color: var(--bg-secondary);
  border: none;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
  border-bottom: 1px solid var(--border-color);
  padding: 1.25rem 1.5rem;
  color: var(--text-primary);
}

.modal-body {
  padding: 1.5rem;
  color: var(--text-primary);
}

.modal-footer {
  border-top: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 9999;
}

.toast {
  border: none;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  min-width: 300px;
  padding: 1rem;
  display: flex;
  align-items: center;
  color: var(--text-primary);
}

/* Toast Styles - Light Theme */
body[data-theme="light"] .toast-success {
  background-color: #dcfce7;
  border-left: 4px solid #16a34a;
  color: #166534;
}

body[data-theme="light"] .toast-error {
  background-color: #fee2e2;
  border-left: 4px solid #dc2626;
  color: #991b1b;
}

body[data-theme="light"] .toast-warning {
  background-color: #fef3c7;
  border-left: 4px solid #d97706;
  color: #92400e;
}

body[data-theme="light"] .toast-info {
  background-color: #dbeafe;
  border-left: 4px solid #1e40af;
  color: #1e40af;
}

/* Toast Styles - Dark Theme */
body[data-theme="dark"] .toast-success {
  background-color: #052e16;
  border-left: 4px solid #22c55e;
  color: #86efac;
}

body[data-theme="dark"] .toast-error {
  background-color: #450a0a;
  border-left: 4px solid #ef4444;
  color: #fca5a5;
}

body[data-theme="dark"] .toast-warning {
  background-color: #451a03;
  border-left: 4px solid #f59e0b;
  color: #fcd34d;
}

body[data-theme="dark"] .toast-info {
  background-color: #172554;
  border-left: 4px solid #3b82f6;
  color: #93c5fd;
}

/* Default fallback for when no theme is set (treat as light) */
body:not([data-theme]) .toast-success {
  background-color: #dcfce7;
  border-left: 4px solid #16a34a;
  color: #166534;
}

body:not([data-theme]) .toast-error {
  background-color: #fee2e2;
  border-left: 4px solid #dc2626;
  color: #991b1b;
}

body:not([data-theme]) .toast-warning {
  background-color: #fef3c7;
  border-left: 4px solid #d97706;
  color: #92400e;
}

body:not([data-theme]) .toast-info {
  background-color: #dbeafe;
  border-left: 4px solid #1e40af;
  color: #1e40af;
}

/* Toast Icons */
.toast i {
  margin-right: 0.75rem;
  font-size: 1.25rem;
}

/* Toast Close Button */
.toast .btn-close {
  opacity: 0.6;
}

body[data-theme="light"] .toast .btn-close {
  filter: invert(0);
  opacity: 0.5;
}

body[data-theme="dark"] .toast .btn-close {
  filter: invert(1);
}

body:not([data-theme]) .toast .btn-close {
  filter: invert(0);
  opacity: 0.5;
}

.toast .btn-close:hover {
  opacity: 1;
}

/* Loading Spinner */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
}

.spinner-large {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Pagination */
.pagination-enterprise .page-link {
  color: var(--text-secondary);
  border-color: var(--border-color);
  background-color: var(--bg-secondary);
  padding: 0.5rem 0.875rem;
  border-radius: 6px;
  margin: 0 2px;
}

.pagination-enterprise .page-link:hover {
  background-color: var(--table-hover);
  border-color: var(--input-border);
  color: var(--accent);
}

.pagination-enterprise .page-item.active .page-link {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.pagination-enterprise .page-item.disabled .page-link {
  background-color: var(--bg-tertiary);
  color: var(--text-muted);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0 0.75rem;
  }

  .card-body {
    padding: 1rem;
  }

  .stat-card .stat-value {
    font-size: 1.5rem;
  }

  .table thead th,
  .table tbody td {
    padding: 0.625rem 0.75rem;
    font-size: 0.875rem;
  }
}

/* Animations */
.fade-in {
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Custom checkbox */
.form-check-input:checked {
  background-color: #1e40af;
  border-color: #1e40af;
}

.form-check-input:focus {
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

/* Input group */
.input-group-text {
  background-color: var(--bg-tertiary);
  border-color: var(--input-border);
  color: var(--text-muted);
}

/* Card grid */
.dashboard-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Theme Toggle Button */
.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.theme-toggle-btn i {
  font-size: 1.1rem;
}

/* Form Validation Styles */
.form-control.is-invalid,
.form-select.is-invalid {
  border-color: #dc2626;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc2626'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5zM6 8.2a.3.3 0 000 .6.3.3 0 000-.6z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
  padding-right: calc(1.5em + 0.75rem);
}

.form-control.is-valid,
.form-select.is-valid {
  border-color: #16a34a;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2316a34a' d='M2.3 6.73.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
  padding-right: calc(1.5em + 0.75rem);
}

.form-control:focus.is-invalid {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.form-control:focus.is-valid {
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15);
}

.invalid-feedback {
  display: none;
  width: 100%;
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: #dc2626;
}

.is-invalid ~ .invalid-feedback {
  display: block;
}

.valid-feedback {
  display: none;
  width: 100%;
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: #16a34a;
}

.is-valid ~ .valid-feedback {
  display: block;
}

/* Form validation for dark theme */
body[data-theme="dark"] .form-control.is-invalid,
body[data-theme="dark"] .form-select.is-invalid {
  border-color: #ef4444;
}

body[data-theme="dark"] .invalid-feedback {
  color: #fca5a5;
}

body[data-theme="dark"] .form-control.is-valid {
  border-color: #22c55e;
}

body[data-theme="dark"] .valid-feedback {
  color: #86efac;
}

/* Navigation - Enhanced Active State */
.navbar-enterprise .nav-link {
  position: relative;
}

.navbar-enterprise .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 3px;
  background-color: #60a5fa;
  border-radius: 3px 3px 0 0;
}

/* Button hover/active feedback */
.btn {
  position: relative;
  overflow: hidden;
}

.btn:active {
  transform: scale(0.98);
}

/* Loading state for buttons */
.btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid #ffffff;
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
}

/* Cards hover effect */
.card {
  cursor: pointer;
}

/* Table row hover with transition */
.table tbody tr {
  transition: background-color 0.15s ease;
}

/* Status badges with enhanced visibility */
.table .badge {
  padding: 0.4em 0.7em;
  font-size: 0.75rem;
}

/* Form helper text */
.form-text {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Loading overlay for dark theme */
body[data-theme="dark"] .loading-overlay {
  background-color: rgba(0, 0, 0, 0.7);
}

body[data-theme="dark"] .spinner-large {
  border-color: #404040;
  border-top-color: #60a5fa;
}

/* Alert styles for dark theme */
body[data-theme="dark"] .alert-success {
  background-color: #052e16;
  border-left: 4px solid #22c55e;
  color: #86efac;
}

body[data-theme="dark"] .alert-danger {
  background-color: #450a0a;
  border-left: 4px solid #ef4444;
  color: #fca5a5;
}

body[data-theme="dark"] .alert-warning {
  background-color: #451a03;
  border-left: 4px solid #f59e0b;
  color: #fcd34d;
}

body[data-theme="dark"] .alert-info {
  background-color: #172554;
  border-left: 4px solid #3b82f6;
  color: #93c5fd;
}