:root {
  --theme-ink: #1f2430;
  --theme-muted: #5b6573;
  --theme-surface: #ffffff;
  --theme-surface-2: #f7f5f0;
  --theme-border: #e4e0d8;
  --theme-accent: #0f766e;
  --theme-accent-strong: #115e59;
  --theme-warm: #f59e0b;
  --theme-shadow: 0 18px 45px rgba(17, 24, 39, 0.12);
  --theme-shadow-soft: 0 8px 20px rgba(17, 24, 39, 0.08);
}

body {
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--theme-ink);
  background: linear-gradient(180deg, #f4f1ea 0%, #f9fafb 60%, #ffffff 100%);
}

body::before {
  content: "";
  position: fixed;
  top: -20%;
  right: -15%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle at center, rgba(245, 158, 11, 0.22), rgba(245, 158, 11, 0) 65%);
  z-index: -1;
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  bottom: -25%;
  left: -10%;
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle at center, rgba(15, 118, 110, 0.2), rgba(15, 118, 110, 0) 65%);
  z-index: -1;
  pointer-events: none;
}

.main-content,
.page-header {
  position: relative;
  z-index: auto;
}

body.auth-page .sidenav,
body.auth-page .navbar-vertical {
  display: none;
}

body.auth-page .main-content {
  margin-left: 0 !important;
  width: 100%;
}

body.auth-page .page-header {
  align-items: center;
  padding: 2rem 1rem;
}

h1, h2, h3, h4, h5, h6,
.navbar-brand,
.nav-link-text {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  letter-spacing: 0.2px;
}

.bg-gray-200 {
  background-color: #f4f1ea !important;
}

.card {
  border: 1px solid var(--theme-border);
  border-radius: 16px;
  box-shadow: var(--theme-shadow-soft);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(6px);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--theme-shadow);
}

.card-header {
  border-bottom: 1px solid rgba(228, 224, 216, 0.7);
  background: transparent;
}

.table thead th {
  color: var(--theme-muted);
  letter-spacing: 0.08em;
}

.table tbody tr:hover {
  background: rgba(15, 118, 110, 0.04);
}

.input-group-outline .form-control:focus,
.form-control:focus {
  border-color: var(--theme-accent) !important;
  box-shadow: 0 0 0 0.15rem rgba(15, 118, 110, 0.15);
}

.form-control,
.form-select {
  padding-left: 0.75rem;
}

.btn.bg-gradient-primary,
.bg-gradient-primary {
  background-image: linear-gradient(135deg, #0f766e, #0a5c55);
}

.btn.bg-gradient-dark,
.bg-gradient-dark {
  background-image: linear-gradient(150deg, #0f172a, #115e59);
}

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

.btn.bg-gradient-primary:hover,
.btn.bg-gradient-dark:hover {
  filter: brightness(1.05);
}

.sidenav {
  background: linear-gradient(165deg, #0f172a 0%, #0f766e 80%, #0a5c55 100%) !important;
  box-shadow: 0 22px 45px rgba(15, 23, 42, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.navbar-vertical.navbar-expand-xs,
.navbar-vertical.navbar-expand-sm,
.navbar-vertical.navbar-expand-md,
.navbar-vertical.navbar-expand-lg,
.navbar-vertical.navbar-expand-xl {
  max-width: 17rem !important;
  width: 17rem;
}

.g-sidenav-show .main-content {
  margin-left: 17rem;
}

.g-sidenav-show .main-content,
.sidenav.fixed-start + .main-content,
.sidenav.fixed-end + .main-content {
  transform: none !important;
}

.modal-backdrop {
  z-index: 1990 !important;
  pointer-events: none;
}

body .modal.show {
  z-index: 2000 !important;
}

.modal-backdrop.show {
  opacity: 0.1;
}

.sidenav,
.navbar-vertical {
  z-index: 1030 !important;
}

body.modal-open .sidenav,
body.modal-open .navbar-vertical {
  z-index: 1 !important;
}

body.modal-open .main-content,
body.modal-open .sidenav.fixed-start + .main-content,
body.modal-open .sidenav.fixed-end + .main-content {
  transform: none !important;
}

@media (min-width: 1200px) {
  body.g-sidenav-show.modal-open .modal-dialog {
    margin-left: calc(17rem + 1.5rem);
    margin-right: 1.5rem;
    max-width: calc(100% - 17rem - 3rem);
  }
}

.sidenav-header {
  padding: 1rem 1.25rem 0.5rem;
}

.sidenav .navbar-collapse {
  max-height: none !important;
}

.navbar-vertical.navbar-expand-xs .navbar-collapse,
.navbar-vertical.navbar-expand-sm .navbar-collapse,
.navbar-vertical.navbar-expand-md .navbar-collapse,
.navbar-vertical.navbar-expand-lg .navbar-collapse,
.navbar-vertical.navbar-expand-xl .navbar-collapse {
  height: auto !important;
  overflow: visible !important;
}

.sidebar-brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.16);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.sidebar-brand-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #f59e0b, #0f766e 75%);
  box-shadow: 0 0 0 6px rgba(15, 118, 110, 0.18);
}

.sidebar-divider {
  height: 1px;
  margin: 0.5rem 1.25rem 1rem;
  background: rgba(255, 255, 255, 0.12);
}

.nav-section {
  padding: 0.8rem 1.1rem 0.35rem;
}

.nav-section-title {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: rgba(255, 255, 255, 0.62);
}

.navbar-vertical .navbar-brand {
  font-weight: 600;
  letter-spacing: 0.3px;
}

.navbar-vertical .navbar-brand img,
.navbar-brand img {
  filter: brightness(1.15) saturate(1.2);
}

.navbar-vertical .navbar-nav .nav-link {
  border-radius: 12px;
  margin: 0.2rem 0.8rem;
  padding: 0.65rem 0.85rem;
  transition: background 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.navbar-vertical .navbar-nav .nav-link .nav-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 0.75rem;
  transition: transform 160ms ease, background 160ms ease;
}

.navbar-vertical .navbar-nav .nav-link .nav-icon i {
  font-size: 1rem;
}

.navbar-vertical .navbar-nav .nav-link:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateX(2px);
}

.navbar-vertical .navbar-nav .nav-link:hover .nav-icon {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.02);
}

.navbar-vertical .navbar-nav .nav-link.active {
  background: rgba(255, 255, 255, 0.18) !important;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.navbar-vertical .navbar-nav .nav-link.active .nav-icon {
  background: rgba(255, 255, 255, 0.3);
}

.navbar-vertical .navbar-nav .nav-link .nav-link-text {
  font-weight: 500;
}

.navbar-vertical .nav-item.mt-3 h6 {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.7) !important;
}

.page-header-bg {
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.12), rgba(245, 158, 11, 0.2));
}

.page-header-bg .mask {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.7), rgba(15, 23, 42, 0.45));
}

.main-content {
  animation: theme-fade 320ms ease both;
}

@keyframes theme-fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (max-width: 991px) {
  .card {
    border-radius: 14px;
  }
}