/* ═══════════════════════════════════════════════════════════════════════════
   DriveNexus Office — Premium polish layer (preview)
   ═══════════════════════════════════════════════════════════════════════════ */

/* Subtle ambient grid on main canvas */
.main::before {
  content: '';
  position: fixed;
  inset: 240px 0 0 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(13, 148, 136, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 148, 136, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 85%);
}
[data-theme="light"] .main::before { opacity: 0.22; }
.main > *:not(.topbar) { position: relative; z-index: 1; }

/* Super admin — pinned topbar + viewport-locked scroll (content scrolls, header does not) */
body[data-role="super_admin"] {
  --dn-topbar-height: 64px;
  --dn-impersonate-bar-height: 0px;
}
body[data-role="super_admin"].dn-impersonating {
  --dn-impersonate-bar-height: 40px;
}
body[data-role="super_admin"] .layout {
  height: 100vh;
  overflow: hidden;
}
body[data-role="super_admin"] .main {
  height: 100vh;
  min-height: 0;
  overflow: hidden;
  padding-top: calc(var(--dn-topbar-height) + var(--dn-impersonate-bar-height));
}
body[data-role="super_admin"] .topbar {
  position: fixed;
  top: var(--dn-impersonate-bar-height);
  left: 240px;
  right: 0;
  z-index: 1100;
  flex-shrink: 0;
}
body[data-role="super_admin"] .layout.sidebar-collapsed .topbar {
  left: 68px;
}
body[data-role="super_admin"] .content {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
}
body[data-role="super_admin"] .trial-banner {
  flex-shrink: 0;
}
@media (max-width: 900px) {
  body[data-role="super_admin"] .topbar {
    left: 0;
  }
}

/* All Office modals — portaled to <body> in cc-polish.js (escapes .content z-index trap under sticky topbar) */
.dn-modal-overlay,
.dn-office-modal {
  z-index: 15000 !important;
  padding-top: 76px !important;
  box-sizing: border-box;
  -webkit-overflow-scrolling: touch;
}
/* Default CLOSED — empty detail/photo shells must not cover the page on load */
.dn-modal-overlay:not(.is-open),
.dn-office-modal:not(.is-open).dn-modal-hidden,
.dn-modal-overlay.dn-modal-hidden,
.dn-office-modal.dn-modal-hidden {
  display: none !important;
}
.dn-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  padding-left: 20px;
  padding-right: 20px;
  padding-bottom: 30px;
  overflow-y: auto;
  align-items: flex-start;
  justify-content: center;
}
.dn-modal-overlay.is-open {
  display: flex !important;
}
/* Enrol / assign / book dialogs must paint above everything when open.
   align-items:flex-start (not center) -- centering an overflowing flex
   item clips it symmetrically at both ends with no way to scroll to the
   true top, since overflow:auto's scrollTop:0 lands on the already-cut
   "centered" position, not the actual start of the content. This showed
   up as a tall check/detail record opening with its own title/header cut
   off above the fold, unreachable by scrolling. */
#enrol-modal.enrol-modal.is-open,
#enrol-modal.dn-office-modal.is-open,
#book-modal.tm-modal.is-open,
#book-modal.dn-office-modal.is-open,
#detail-modal.tm-detail.is-open,
#detail-modal.dn-office-modal.is-open {
  display: flex !important;
  position: fixed !important;
  inset: 0 !important;
  z-index: 20000 !important;
  align-items: flex-start;
  justify-content: center;
  background: rgba(0, 0, 0, 0.55);
  padding: 20px !important;
  margin: 0 !important;
}
body > .dn-office-modal {
  overflow-y: auto;
}
body.dn-modal-open { overflow: hidden; }
.dn-modal-box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 820px;
  margin: 0 auto;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}
.dn-photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin-top: 10px;
}
.dn-photo-thumb {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--panel-2);
  cursor: pointer;
}
.dn-photo-thumb img {
  width: 100%;
  height: 110px;
  object-fit: cover;
  display: block;
}
.dn-photo-thumb .cap {
  font-size: 10px;
  color: var(--ink-3);
  padding: 4px 6px;
  text-align: center;
}
.card-update-meta {
  font-size: 11px;
  color: var(--ink-3);
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--line-soft);
}

/* Selection */
::selection {
  background: rgba(13, 148, 136, 0.28);
  color: inherit;
}

/* Tabular KPI numbers */
.stat-value, .kpi .val, .kp-val, .kp .kp-val {
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
}

/* Card lift */
.card, .dash-card, .stat-card, .kpi, .kp, .co-card, .pcard {
  will-change: transform, box-shadow;
}
.card:hover, .dash-card:hover, .stat-card:hover, .kpi:hover, .kp:hover, .co-card:hover {
  transform: translateY(-2px);
}

/* Sidebar user avatar */
.sidebar-user-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.sidebar-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #fff;
  background: linear-gradient(135deg, #0d9488, #0891b2);
  box-shadow: 0 2px 10px rgba(13, 148, 136, 0.4);
}
.sidebar-user-meta { min-width: 0; }

/* Nav section labels */
.nav-section-label {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--sidebar-line), transparent);
}

/* Collapsible nav groups (fleet manager sidebar) */
.nav-group {
  margin-bottom: 2px;
}
.nav-group-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 14px 8px 6px;
  border: none;
  background: none;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--sidebar-ink-3);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: color 0.12s;
}
.nav-group-toggle:hover {
  color: var(--sidebar-ink-2);
}
.nav-group-toggle::after {
  content: '';
  flex: 1;
  height: 1px;
  margin-left: 4px;
  background: linear-gradient(90deg, rgba(100, 116, 139, 0.35), transparent);
}
.nav-group-chevron {
  font-size: 9px;
  line-height: 1;
  transition: transform 0.18s ease;
  opacity: 0.75;
  flex-shrink: 0;
}
.nav-group.collapsed .nav-group-chevron {
  transform: rotate(-90deg);
}
.nav-group.collapsed .nav-group-items {
  display: none;
}
.nav-group-items {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 0 0 4px 2px;
}
.nav-group.has-active .nav-group-toggle {
  color: var(--sidebar-ink-2);
}

/* Active nav glow */
.nav-link.active {
  position: relative;
}
.nav-link.active::after {
  content: '';
  position: absolute;
  right: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #5eead4;
  box-shadow: 0 0 8px rgba(94, 234, 212, 0.7);
  animation: navPulse 2.4s ease-in-out infinite;
}
@keyframes navPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}

/* Page leave transition */
.main.main-leaving {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

/* Notification bell — panel must sit above page tiles/cards */
.notif-wrap { position: relative; z-index: 1101; }
#notif-bell.has-unread i {
  animation: bellRing 0.5s var(--ease-out);
}
@keyframes bellRing {
  0%, 100% { transform: rotate(0); }
  25% { transform: rotate(12deg); }
  75% { transform: rotate(-8deg); }
}
#notif-badge {
  animation: badgePop 0.35s var(--ease-out);
}
@keyframes badgePop {
  from { transform: scale(0.5); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* Notification panel */
#notif-panel {
  z-index: 1102;
  animation: panelDrop 0.22s var(--ease-out);
  transform-origin: top right;
  overflow: hidden;
}
@keyframes panelDrop {
  from { opacity: 0; transform: translateY(-8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.notif-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
  font-size: 13px;
}
.notif-mark-read {
  font-size: 11px;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 6px;
  transition: background 0.15s;
}
.notif-mark-read:hover { background: var(--accent-light); }
.notif-item {
  padding: 12px 16px;
  cursor: pointer;
  border-bottom: 1px solid var(--line-soft);
  transition: background 0.15s;
}
.notif-item:hover { background: var(--accent-light); }
.notif-item.unread {
  background: var(--accent-light);
  border-left: 3px solid var(--accent);
  padding-left: 13px;
}
.notif-item-title {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
}
.notif-item.unread .notif-item-title { font-weight: 600; }
.notif-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 4px;
  box-shadow: 0 0 6px rgba(13, 148, 136, 0.5);
}
.notif-item-body {
  font-size: 12px;
  color: var(--ink-2);
  margin-top: 3px;
  white-space: pre-line;
  line-height: 1.4;
}
.notif-item-time {
  font-size: 10px;
  color: var(--ink-3);
  margin-top: 4px;
}
.notif-empty {
  padding: 28px 20px;
  text-align: center;
  color: var(--ink-3);
  font-size: 13px;
}

/* Loading skeleton */
.cc-skeleton {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  background: var(--line-soft);
  min-height: 14px;
}
.cc-skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.08),
    transparent
  );
  animation: shimmer 1.4s infinite;
}
[data-theme="light"] .cc-skeleton::after {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.65), transparent);
}
@keyframes shimmer {
  100% { transform: translateX(100%); }
}
.cc-skeleton-line { height: 12px; margin-bottom: 8px; border-radius: 4px; }
.cc-skeleton-line.w60 { width: 60%; }
.cc-skeleton-line.w80 { width: 80%; }
.cc-skeleton-line.w40 { width: 40%; }

/* Empty / zero states */
.cc-zero {
  text-align: center;
  padding: 36px 24px;
  color: var(--ink-3);
}
.cc-zero-icon {
  font-size: 2rem;
  opacity: 0.45;
  margin-bottom: 10px;
  line-height: 1;
}
.cc-zero-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 4px;
}
.cc-zero-sub { font-size: 12px; }

/* Table polish — zebra + active row */
[data-theme="light"] tbody tr:nth-child(even) { background: rgba(248, 250, 252, 0.65); }
[data-theme="dark"] tbody tr:nth-child(even) { background: rgba(15, 23, 42, 0.22); }

/* Primary action glow on focus */
.btn-primary:focus-visible {
  box-shadow: var(--cc-focus-ring), 0 4px 16px rgba(13, 148, 136, 0.35);
}

/* Tier / status pills refinement */
.tier-pill, .pill {
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 9px;
}

/* Topbar live clock strip — optional subtle */
.topbar-actions {
  gap: 10px;
}

/* Impersonation banner blend */
[style*="background:#c0392b"] {
  background: linear-gradient(90deg, #991b1b, #dc2626) !important;
  box-shadow: 0 2px 12px rgba(220, 38, 38, 0.35);
}

@media (prefers-reduced-motion: reduce) {
  .nav-link.active::after,
  #notif-bell.has-unread i,
  #notif-badge,
  #notif-panel { animation: none !important; }
  .card:hover, .dash-card:hover, .stat-card:hover, .kpi:hover { transform: none; }
}