/* Design tokens: navy/gold palette, elevation, radius, component classes.
   Single source of truth — style.css's :root repoints here instead of hardcoding hex. */

:root {
  /* Brand core */
  --nk-navy-900: #06132c;
  --nk-navy-800: #0a1f44;
  --nk-navy-700: #12305f;
  --nk-navy-600: #1c4280;
  --nk-navy-100: #e7ebf3;

  --nk-gold-700: #b8890a;
  --nk-gold-500: #f2b705;
  --nk-gold-300: #f7d24d;
  --nk-gold-100: #fdf3d4;

  /* Semantic */
  --nk-success: #10b981;
  --nk-warning: #f2b705;
  --nk-danger: #ef4444;
  --nk-info: #0ea5e9;

  /* Text */
  --nk-text-on-dark: #f8fafc;
  --nk-text-on-light: #1f2937;
  --nk-muted-on-dark: #cbd5e1;
  --nk-muted-on-light: #64748b;

  /* Glass / overlay */
  --nk-glass-bg: rgba(255, 255, 255, 0.25);
  --nk-glass-border: rgba(255, 255, 255, 0.18);
  --nk-overlay-navy: rgba(6, 19, 44, 0.55);

  /* Elevation */
  --nk-shadow-1: 0 1px 2px rgba(10, 31, 68, 0.08);
  --nk-shadow-2: 0 4px 12px rgba(10, 31, 68, 0.12);
  --nk-shadow-3: 0 8px 32px rgba(10, 31, 68, 0.18);
  --nk-shadow-4: 0 18px 42px -12px rgba(10, 31, 68, 0.28);

  /* Radius */
  --nk-radius-sm: 8px;
  --nk-radius-md: 14px;
  --nk-radius-lg: 20px;
  --nk-radius-pill: 999px;

  --nk-blur: 16px;
  --nk-appbar-height: 64px;
}

/* App bar — single sticky header replacing the old 3-layer stack */
.app-bar {
  position: sticky;
  top: 0;
  z-index: 1040;
  min-height: var(--nk-appbar-height);
  background: linear-gradient(135deg, var(--nk-navy-800) 0%, var(--nk-navy-700) 100%);
  box-shadow: var(--nk-shadow-2);
}

.app-bar__inner {
  min-height: var(--nk-appbar-height);
  gap: 0.75rem;
}

.app-bar__brand {
  color: var(--nk-text-on-dark) !important;
  text-decoration: none;
  font-weight: 700;
}

.app-bar__logo {
  height: 40px;
  width: auto;
}

.app-bar__title {
  font-size: 1rem;
  line-height: 1.2;
}

@media (max-width: 767.98px) {
  .app-bar__title {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: 0.2em;
  }
}

.app-bar__inner--minimal {
  min-height: var(--nk-appbar-height);
}

.app-bar__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.app-bar__brand-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--nk-text-on-dark);
}

.app-bar__brand-subtitle {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--nk-muted-on-dark);
}

.app-bar .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--nk-muted-on-dark) !important;
  font-weight: 500;
  padding: 0.5rem 0.9rem !important;
  border-radius: var(--nk-radius-pill);
  transition: background 0.15s ease, color 0.15s ease;
}

.app-bar .nav-link:hover {
  color: var(--nk-text-on-dark) !important;
  background: rgba(255, 255, 255, 0.1);
}

.app-bar .nav-link.active {
  color: var(--nk-navy-900) !important;
  background: var(--nk-gold-500);
  font-weight: 700;
}

.app-bar .nav-link.dropdown-toggle::after {
  margin-left: 0.15rem;
}

.app-bar .dropdown-menu .dropdown-item.active {
  background: linear-gradient(135deg, var(--nk-gold-500), var(--nk-gold-300));
  color: var(--nk-navy-900) !important;
  font-weight: 700;
}

.app-bar .dropdown-menu {
  background: linear-gradient(135deg, var(--nk-navy-800) 0%, var(--nk-navy-700) 100%);
  border: 1px solid var(--nk-glass-border);
  box-shadow: var(--nk-shadow-3);
  border-radius: var(--nk-radius-md);
  padding-top: 0.4rem;
  padding-bottom: 0.4rem;
}

.app-bar .dropdown-menu .dropdown-item {
  color: var(--nk-text-on-dark) !important;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.app-bar .dropdown-menu .dropdown-item i {
  opacity: 0.85;
}

.app-bar .dropdown-menu .dropdown-item:hover,
.app-bar .dropdown-menu .dropdown-item:focus {
  background: linear-gradient(135deg, var(--nk-gold-500), var(--nk-gold-300));
  color: var(--nk-navy-900) !important;
}

.app-bar .dropdown-menu .dropdown-item:hover i {
  opacity: 1;
}

.app-bar .dropdown-divider {
  border-color: var(--nk-glass-border);
}

.app-bar .dropdown-header.dropdown-role-label {
  color: var(--nk-text-on-dark);
  font-weight: 700;
  font-size: 0.92rem;
  line-height: 1.2;
  padding: 0.7rem 0.95rem 0.6rem;
  margin: 0 0.5rem 0.35rem;
  border-radius: var(--nk-radius-md);
  background: rgba(242, 183, 5, 0.14);
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.app-bar .dropdown-role-label .role-label {
  display: block;
  margin-bottom: 0.15rem;
  color: #ffffff !important;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.app-bar .dropdown-role-label .role-value {
  display: block;
  color: #ffffff !important;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: capitalize;
}

.app-bar .dropdown-menu .btn-link {
  color: var(--nk-text-on-dark) !important;
}

.app-bar .dropdown-menu .btn-link:hover {
  color: var(--nk-navy-900) !important;
}

.app-bar .dropdown-menu form {
  margin: 0;
}

.app-bar .btn-gold {
  background: var(--nk-gold-500);
  border-color: var(--nk-gold-500);
  color: var(--nk-navy-900);
  font-weight: 600;
}

.app-bar .btn-gold:hover {
  background: var(--nk-gold-300);
  border-color: var(--nk-gold-300);
  color: var(--nk-navy-900);
}

@media (max-width: 991.98px) {
  .app-bar .dropdown-menu {
    box-shadow: none;
  }
}

/* Mobile sidebar drawer — custom-built (see app-bar.ejs comment for why: Bootstrap's
   offcanvas gets its position:fixed trapped to the sticky header's own height if
   nested inside .app-bar, and un-nesting it broke the desktop inline layout). Scoped
   entirely to <lg since the drawer markup is only ever opened below that breakpoint
   (the toggle button that opens it is d-lg-none via its desktop nav counterpart). */
.app-bar__drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(6, 19, 44, 0.55);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  z-index: 1044;
}
.app-bar__drawer-backdrop.show {
  opacity: 1;
  visibility: visible;
}

.app-bar__drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 280px;
  max-width: 85vw;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, var(--nk-navy-800) 0%, var(--nk-navy-900) 100%);
  box-shadow: var(--nk-shadow-4);
  transform: translateX(-100%);
  transition: transform 0.3s ease-in-out;
  z-index: 1045;
}
.app-bar__drawer.show {
  transform: translateX(0);
}

@media (min-width: 992px) {
  .app-bar__drawer,
  .app-bar__drawer-backdrop {
    display: none !important;
  }
}

body.app-bar-drawer-open {
  overflow: hidden;
}

.app-bar__drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--nk-glass-border);
}

.app-bar__offcanvas-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--nk-text-on-dark);
  font-weight: 700;
}

.app-bar__offcanvas-logo {
  height: 28px;
  width: auto;
}

.app-bar__drawer-body {
  flex: 1 1 auto;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding: 0.75rem 0.75rem 1rem;
}

.app-bar__drawer-body .navbar-nav .nav-link {
  justify-content: flex-start;
}

.app-bar__drawer-user {
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--nk-glass-border);
}

.app-bar__drawer-user-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.9rem;
  color: var(--nk-text-on-dark);
  font-weight: 600;
}

.app-bar__drawer-user-label .role-value {
  color: var(--nk-muted-on-dark);
  font-weight: 500;
  font-size: 0.78rem;
  text-transform: capitalize;
}

.app-bar__drawer-logout {
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
}

.app-bar__submenu-chevron {
  transition: transform 0.2s ease;
  font-size: 0.8rem;
}

.nav-link[aria-expanded="true"] .app-bar__submenu-chevron {
  transform: rotate(180deg);
}

.app-bar__submenu {
  list-style: none;
  padding-left: 1.25rem;
  margin: 0.15rem 0 0.4rem;
}

.app-bar__submenu .nav-link {
  padding: 0.4rem 0.9rem !important;
  font-size: 0.92rem;
}

.app-bar__back-home {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--nk-radius-pill);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--nk-glass-border);
  color: var(--nk-text-on-dark);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.app-bar__back-home:hover,
.app-bar__back-home:focus {
  background: var(--nk-gold-500);
  border-color: var(--nk-gold-500);
  color: var(--nk-navy-900);
}

/* Chip — canonical pill label; existing *-badge classes stay as legacy aliases */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--nk-radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.2;
}

/* Elevated card — non-glass alternative for surfaces that shouldn't blur.
   !important needed: tokens.css loads before style.css, and style.css's
   .card sets a translucent glass background at the same specificity. */
.elevated-card {
  background: #fff !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  border-radius: var(--nk-radius-lg);
  box-shadow: var(--nk-shadow-3) !important;
  border: 1px solid var(--nk-glass-border) !important;
}

.elevated-card,
.elevated-card h1,
.elevated-card h2,
.elevated-card h3,
.elevated-card h4,
.elevated-card h5,
.elevated-card h6 {
  color: var(--nk-text-on-light) !important;
}

/* Back to top — floating, hidden until the user scrolls down */
.back-to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 46px;
  height: 46px;
  border-radius: var(--nk-radius-pill);
  background: var(--nk-gold-500);
  color: var(--nk-navy-900);
  border: 1px solid rgba(6, 19, 44, 0.15);
  box-shadow: var(--nk-shadow-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s, background 0.2s ease;
  z-index: 1030;
}

.back-to-top:hover {
  background: var(--nk-gold-300);
}

.back-to-top--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}