/* ── Page header spacing ─────────────────────────────────────────────────── */
header {
  padding-bottom: 28px !important;
}

/* ── Back link (shared across all admin pages) ───────────────────────────── */
.back-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--sub);
  background: linear-gradient(180deg, rgba(var(--accent-rgb, 79, 124, 255), .08), rgba(var(--accent-rgb, 79, 124, 255), .02) 58%, transparent 100%), var(--white);
  border: 1px solid rgba(var(--accent-rgb, 79, 124, 255), .18);
  border-radius: 14px;
  padding: 8px 16px;
  text-decoration: none;
  transition: all .2s ease;
  box-shadow: var(--shadow);
}
.back-link:hover {
  color: var(--indigo);
  border-color: rgba(var(--accent-rgb, 79, 124, 255), .34);
  background: linear-gradient(180deg, rgba(var(--accent-rgb, 79, 124, 255), .16), rgba(var(--accent-rgb, 79, 124, 255), .06) 62%, transparent 100%), var(--white);
  transform: translateY(-1px);
}

/* ── Admin tile drag-and-drop ────────────────────────────────────────────── */
.nav-tile { user-select: none; }
.nav-tile.tile-dragging {
  opacity: 0.45;
  cursor: grabbing !important;
  box-shadow: 0 16px 36px rgba(var(--accent-rgb, 79, 124, 255), .24) !important;
}
.nav-tile.tile-drag-over {
  border-color: var(--indigo) !important;
  background: var(--blue-bg) !important;
}
.tile-placeholder {
  background: linear-gradient(180deg, rgba(var(--accent-rgb, 79, 124, 255), .18), rgba(var(--accent-rgb, 79, 124, 255), .06)), var(--blue-bg);
  border: 2px dashed rgba(var(--accent-rgb, 79, 124, 255), .7);
  border-radius:14px;
  opacity: 0.72;
  min-height: 64px;
}

/* ── Notification dropdown extras ───────────────────────────────────────── */
.notif-drop-actions { display: flex; align-items: center; gap: 10px; }
.notif-drop-clear {
  font-size: 11px;
  font-weight: 600;
  color: var(--sub);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.notif-drop-clear:hover { color: var(--red, #ba1a1a); text-decoration: underline; }
.notif-drop-item { position: relative; }
.notif-dismiss-btn {
  position: absolute;
  top: 8px;
  right: 10px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  color: var(--faint);
  padding: 2px 4px;
  border-radius: 999px;
  opacity: 0;
  transition: opacity .15s, background .15s, color .15s;
}
.notif-drop-item:hover .notif-dismiss-btn { opacity: 1; }
.notif-dismiss-btn:hover {
  color: var(--red, #ba1a1a);
  background: rgba(var(--accent-rgb, 79, 124, 255), .08);
}

/* ── Shared Material 3 surfaces ─────────────────────────────────────────── */
.card,
.nav-tile,
.setup-step,
.session-bar,
.found-card,
.nop-card,
.create-section,
.user-chip,
.db-chip,
.theme-btn,
.notif-dropdown,
.active-popup {
  background: linear-gradient(180deg, rgba(var(--accent-rgb, 79, 124, 255), .08), rgba(var(--accent-rgb, 79, 124, 255), .02) 62%, transparent 100%), var(--white);
  border-color: rgba(var(--accent-rgb, 79, 124, 255), .14) !important;
  border-radius:14px;
  box-shadow: var(--shadow);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

[data-theme="dark"] .card,
[data-theme="dark"] .nav-tile,
[data-theme="dark"] .setup-step,
[data-theme="dark"] .session-bar,
[data-theme="dark"] .found-card,
[data-theme="dark"] .nop-card,
[data-theme="dark"] .create-section,
[data-theme="dark"] .user-chip,
[data-theme="dark"] .db-chip,
[data-theme="dark"] .theme-btn,
[data-theme="dark"] .notif-dropdown,
[data-theme="dark"] .active-popup {
  background: linear-gradient(180deg, rgba(var(--accent-rgb, 184, 198, 255), .18), rgba(var(--accent-rgb, 184, 198, 255), .05) 70%, transparent 100%), var(--white);
  border-color: rgba(var(--accent-rgb, 184, 198, 255), .12) !important;
  box-shadow: var(--shadow-lg);
}

.nav-tile:hover,
.card:hover,
.setup-step:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.theme-btn {
  border-radius: 14px;
  padding-inline: 12px;
}

/* ── Bottom Navigation ───────────────────────────────────────────────────── */
body.bottom-nav-hidden .bottom-nav,
body.bottom-nav-hidden .more-sheet {
  display: none !important;
}

html {
  scroll-padding-bottom: calc(var(--bottom-nav-clearance, 108px) + env(safe-area-inset-bottom));
}

body {
  padding-bottom: calc(var(--bottom-nav-clearance, 108px) + env(safe-area-inset-bottom));
}

.bottom-nav {
  position: fixed;
  left: 50%;
  bottom: 12px;
  transform: translateX(-50%);
  width: min(var(--bottom-nav-width, calc(100vw - 24px)), calc(100vw - 24px));
  max-width: calc(100vw - 24px);
  min-height: 62px;
  background: linear-gradient(180deg, rgba(var(--accent-rgb, 79, 124, 255), .16), rgba(var(--accent-rgb, 79, 124, 255), .04) 65%, transparent 100%), var(--white);
  border: 1px solid rgba(var(--accent-rgb, 79, 124, 255), .18);
  border-radius:14px;
  display: flex;
  align-items: stretch;
  z-index: 100;
  padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
  box-shadow: var(--shadow-lg);
}
[data-theme="dark"] .bottom-nav {
  background: linear-gradient(180deg, rgba(var(--accent-rgb, 184, 198, 255), .18), rgba(var(--accent-rgb, 184, 198, 255), .04) 70%, transparent 100%), var(--white);
  border-color: rgba(var(--accent-rgb, 184, 198, 255), .14);
  box-shadow: var(--shadow-lg);
}
.bnav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 9px;
  font-weight: 700;
  color: var(--sub);
  text-decoration: none;
  border: none;
  background: none;
  cursor: pointer;
  padding: 7px 0;
  transition: color .15s ease, background .15s ease, box-shadow .15s ease, transform .15s ease;
  letter-spacing: .32px;
  text-transform: uppercase;
  border-radius:14px;
  min-width: 0;
  position: relative;
}
.bnav-item svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.bnav-item.active,
.bnav-item:hover {
  color: var(--indigo);
  background: rgba(var(--accent-rgb, 79, 124, 255), .14);
  box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb, 79, 124, 255), .12);
}
[data-theme="dark"] .bnav-item.active,
[data-theme="dark"] .bnav-item:hover {
  color: var(--indigo);
  background: rgba(var(--accent-rgb, 184, 198, 255), .14);
  box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb, 184, 198, 255), .14);
}
.bnav-label { font-size: 9px; }

/* ── More Sheet ──────────────────────────────────────────────────────────── */
.more-sheet {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 500;
}
.more-sheet.on { display: block; }
.more-sheet-overlay {
  position: absolute;
  inset: 0;
  background: rgba(30, 18, 44, .42);
}
.more-sheet-content {
  position: absolute;
  left: 50%;
  right: auto;
  bottom: calc(80px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: min(var(--bottom-nav-width, calc(100vw - 24px)), calc(100vw - 24px));
  max-width: calc(100vw - 24px);
  background: linear-gradient(180deg, rgba(var(--accent-rgb, 79, 124, 255), .18), rgba(var(--accent-rgb, 79, 124, 255), .04) 64%, transparent 100%), var(--white);
  border: 1px solid rgba(var(--accent-rgb, 79, 124, 255), .18);
  border-radius:14px;
  padding: 10px 16px 18px;
  box-shadow: var(--shadow-lg);
}
[data-theme="dark"] .more-sheet-content {
  border-color: rgba(var(--accent-rgb, 184, 198, 255), .14);
  background: linear-gradient(180deg, rgba(var(--accent-rgb, 184, 198, 255), .18), rgba(var(--accent-rgb, 184, 198, 255), .04) 70%, transparent 100%), var(--white);
  box-shadow: var(--shadow-lg);
}
.more-sheet-handle {
  width: 40px;
  height: 4px;
  background: rgba(var(--accent-rgb, 79, 124, 255), .28);
  border-radius: 999px;
  margin: 8px auto 16px;
}
.more-sheet-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--faint);
  margin-bottom: 14px;
  padding: 0 4px;
}
.more-sheet-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.more-sheet-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  padding: 13px 7px;
  background: linear-gradient(180deg, rgba(var(--accent-rgb, 79, 124, 255), .10), rgba(var(--accent-rgb, 79, 124, 255), .03) 66%, transparent 100%), var(--bg);
  border: 1px solid rgba(var(--accent-rgb, 79, 124, 255), .14);
  border-radius:14px;
  text-decoration: none;
  color: var(--text);
  font-size: 11px;
  font-weight: 600;
  text-align: center;
  transition: all .18s ease;
  line-height: 1.2;
}
[data-theme="dark"] .more-sheet-item {
  background: linear-gradient(180deg, rgba(var(--accent-rgb, 184, 198, 255), .12), rgba(var(--accent-rgb, 184, 198, 255), .04) 72%, transparent 100%), var(--bg);
  border-color: rgba(var(--accent-rgb, 184, 198, 255), .12);
}
.more-sheet-item:hover {
  border-color: rgba(var(--accent-rgb, 79, 124, 255), .32);
  color: var(--indigo);
  background: linear-gradient(180deg, rgba(var(--accent-rgb, 79, 124, 255), .18), rgba(var(--accent-rgb, 79, 124, 255), .06) 70%, transparent 100%), var(--blue-bg);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(var(--accent-rgb, 79, 124, 255), .16);
}
.more-sheet-item svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (max-width: 500px) {
  .bottom-nav {
    bottom: 10px;
    width: calc(100vw - 16px);
    max-width: calc(100vw - 16px);
    border-radius:12px;
    padding-left: 6px;
    padding-right: 6px;
  }

  .more-sheet-content {
    bottom: calc(78px + env(safe-area-inset-bottom));
    width: calc(100vw - 16px);
    max-width: calc(100vw - 16px);
    border-radius:12px;
  }

  .more-sheet-grid { grid-template-columns: repeat(3, 1fr); }
}