:root {
  --premium-gold: #c5a059;
  --premium-black: #000000;
  --sidebar-width: 17.5rem;
  --navbar-height: 4.375rem;
}

/* --- THEME SOMBRE --- */
[data-bs-theme="dark"] {
  --bs-body-bg: #121212;
  --bs-body-color: #e0e0e0;
}
[data-bs-theme="dark"] .main-content {
  background-color: #1a1a1a;
}
[data-bs-theme="dark"] .card {
  background-color: #242424;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
}
[data-bs-theme="dark"] .bg-body-tertiary {
  background-color: #2a2a2a !important;
  color: #fff;
}
[data-bs-theme="dark"] .table {
  --bs-table-color: #e0e0e0;
  border-color: rgba(255, 255, 255, 0.1);
}
[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select,
[data-bs-theme="dark"] .input-group-text {
  border-color: #444;
  color: #fff;
  background-color: #2a2a2a;
}
[data-bs-theme="dark"] .offcanvas-lg,
[data-bs-theme="dark"] .main-footer {
  border-color: rgba(255, 255, 255, 0.1) !important;
}
[data-bs-theme="dark"] .text-dark {
  color: #fff !important;
}
[data-bs-theme="dark"] .btn-outline-dark {
  color: #e0e0e0;
  border-color: #e0e0e0;
}
[data-bs-theme="dark"] .btn-outline-dark:hover {
  background-color: #e0e0e0;
  color: #000;
}

[data-bs-theme="dark"] .swal2-popup {
  background: #242424;
  color: #e0e0e0;
  border: 1px solid #444;
}
[data-bs-theme="dark"] .swal2-title,
[data-bs-theme="dark"] .swal2-content {
  color: #fff !important;
}

/* --- BASE --- */
body {
  font-family: "Inter", sans-serif;
  overflow-x: hidden;
}
.text-premium {
  color: var(--premium-gold) !important;
}
.bg-premium {
  background-color: var(--premium-gold) !important;
}
.bg-premium-soft {
  background-color: rgba(197, 160, 89, 0.1) !important;
}
.letter-spacing-2 {
  letter-spacing: 0.125rem;
}
.cursor-pointer {
  cursor: pointer;
}

/* --- ANIMATIONS --- */
.fade-in {
  animation: fadeIn 0.4s ease-in-out;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(0.625rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- HEADER & LAYOUT --- */
header {
  height: var(--navbar-height);
  background-color: #000000 !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.navbar {
  height: 100%;
  padding: 0;
  background-color: #000000 !important;
}
.layout-wrapper {
  display: flex;
  min-height: calc(100vh - var(--navbar-height));
}

/* Sidebar structure */
@media (min-width: 62rem) {
  .offcanvas-lg {
    width: var(--sidebar-width) !important;
    position: sticky !important;
    top: var(--navbar-height);
    height: calc(100vh - var(--navbar-height));
    overflow-y: auto;
    border-right: 1px solid rgba(0, 0, 0, 0.1);
    transform: none !important;
    visibility: visible !important;
    background-color: #000000 !important;
    z-index: 1000;
  }
}

@media (max-width: 61.999rem) {
  .offcanvas-lg {
    position: fixed;
    top: 0;
    bottom: 0;
    z-index: 1050;
    width: var(--sidebar-width);
    background-color: #000000 !important;
  }
}

.main-content {
  flex: 1;
  width: 100%;
  min-width: 0;
  background-color: #f8f9fa;
  transition: background-color 0.3s;
  min-height: calc(100vh - var(--navbar-height));
}

/* --- NAVIGATION & MENU --- */

#mainNav .nav-link {
  color: rgba(255, 255, 255, 0.6) !important;
  transition: all 0.3s ease;
}

/* Au survol */
#mainNav .nav-link:hover {
  color: var(--premium-gold) !important;
  background-color: rgba(197, 160, 89, 0.05);
}

/* Élément Actif */
#mainNav .nav-link.active {
  background-color: var(--premium-gold) !important;
  color: #000000 !important;
  font-weight: 700;
  box-shadow: 0 0 15px rgba(197, 160, 89, 0.3);
}

#mainNav .nav-link i {
  transition: transform 0.3s;
}
#mainNav .nav-link:hover i {
  transform: translateX(3px);
}

.btn:focus,
.form-control:focus,
.form-select:focus,
.nav-link:focus,
.btn-close:focus {
  box-shadow: 0 0 0 0.25rem rgba(197, 160, 89, 0.25) !important;
  border-color: var(--premium-gold) !important;
  outline: none !important;
}

/* --- FOOTER --- */
.main-footer {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  margin-top: auto;
}
.footer-link {
  transition: color 0.2s;
}
.footer-link:hover {
  color: var(--premium-gold) !important;
}

/* --- COMPOSANTS --- */
.card {
  border-radius: 1rem !important;
  transition: transform 0.2s, box-shadow 0.2s;
}
.stat-card:hover,
.project-card:hover {
  transform: translateY(-0.25rem);
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

.project-img-wrapper {
  height: 11.25rem;
  overflow: hidden;
}
.project-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.project-card:hover img {
  transform: scale(1.05);
}

.btn-primary {
  background-color: #000000;
  border: none;
}
.btn-primary:hover {
  background-color: var(--premium-gold);
  color: #fff;
}
.custom-switch:checked {
  background-color: var(--premium-gold);
  border-color: var(--premium-gold);
}

/* --- UTILITAIRES --- */
.chart-container {
  position: relative;
  height: 18.75rem;
  width: 100%;
}
.table-responsive {
  border-radius: 0.5rem;
}
.sort-icon {
  font-size: 0.8em;
  margin-left: 0.3125rem;
  opacity: 0.5;
}
.sort-active {
  opacity: 1;
  color: var(--premium-gold);
}

.modal {
  z-index: 1060 !important;
}
.modal-backdrop {
  z-index: 1055 !important;
}
.toast-container {
  z-index: 1070;
}
.form-control:focus,
.form-select:focus {
  box-shadow: none;
  border: 1px solid var(--premium-gold) !important;
}

/* --- PAGE DE CONNEXION --- */
body.login-body {
  background-color: #000;
  background-image: radial-gradient(circle at center, #1a1a1a 0%, #000000 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.login-card {
  max-width: 26.25rem;
  width: 100%;
  background: #0a0a0a;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 1.25rem 3.125rem rgba(0, 0, 0, 0.5) !important;
}

@media (max-width: 36rem) {
  .login-card {
    padding: 1.5rem !important;
  }
  .login-card h3 {
    font-size: 1.5rem;
  }
}

.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.7);
  z-index: 10;
  display: flex;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(2px);
  border-radius: inherit;
}
[data-bs-theme="dark"] .loading-overlay {
  background: rgba(0, 0, 0, 0.7);
}

.spinner {
  width: 2rem;
  height: 2rem;
  border: 3px solid rgba(197, 160, 89, 0.3);
  border-radius: 50%;
  border-top-color: var(--premium-gold);
  animation: spin 0.8s linear infinite;
}

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

.btn-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}
.btn-loading::after {
  content: "";
  position: absolute;
  width: 1.2em;
  height: 1.2em;
  top: 50%;
  left: 50%;
  margin-left: -0.6em;
  margin-top: -0.6em;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}