@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,400;0,14..32,500;0,14..32,600;0,14..32,700&display=swap');

/* Radix gray dark scale as the foundation */
:root {
  --gray-1:  #111111;
  --gray-2:  #191919;
  --gray-3:  #222222;
  --gray-4:  #2a2a2a;
  --gray-5:  #313131;
  --gray-6:  #3a3a3a;
  --gray-7:  #484848;
  --gray-8:  #606060;
  --gray-11: #b4b4b4;
  --gray-12: #eeeeee;

  /* semantic tokens */
  --bg:        var(--gray-1);   /* #111111 — page */
  --surface:   var(--gray-2);   /* #191919 — cards, panels, sidebar */
  --surface-2: var(--gray-3);   /* #222222 — input bg, hover bg */
  --surface-3: var(--gray-4);   /* #2a2a2a — selected, pressed */

  /* borders — hairlines, not solid */
  --border:   rgba(255,255,255,0.08);
  --border-2: rgba(255,255,255,0.12);
  --border-focus: rgba(255,255,255,0.4);

  /* text */
  --text:   var(--gray-12);  /* #eeeeee */
  --text-2: var(--gray-11);  /* #b4b4b4 */
  --muted:  #7b7b7b;

  /* semantic accent colors */
  --green:         #4ade80;
  --green-btn:     #16a34a;
  --green-hover:   #15803d;
  --green-dim:     rgba(74,222,128,0.12);
  --green-border:  rgba(74,222,128,0.25);

  --red:           #f87171;
  --red-dim:       rgba(248,113,113,0.12);
  --red-border:    rgba(248,113,113,0.3);

  --amber:         #fbbf24;
  --amber-dim:     rgba(251,191,36,0.12);
  --amber-border:  rgba(251,191,36,0.25);

  --blue:          #60a5fa;
  --blue-dim:      rgba(96,165,250,0.12);
  --blue-border:   rgba(96,165,250,0.25);

  /* misc */
  --radius:  8px;
  --radius-sm: 6px;
  --font: 'Inter', ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

/* ── Reset ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  /* no accidental text selection on UI chrome */
  -webkit-user-select: none;
  user-select: none;
}

/* re-enable selection for actual content */
input, textarea, select,
.col-email, .col-user .row-callsign, .col-user .row-meta,
.info-row span:not(.info-label),
.audit-table td,
.message, .admin-banner {
  -webkit-user-select: text;
  user-select: text;
}

/* ── Layout ──────────────────────────────────────────────────────────────── */
.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header ──────────────────────────────────────────────────────────────── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}

header h1 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

/* ── Navigation ──────────────────────────────────────────────────────────── */
nav { display: flex; align-items: center; gap: 2px; }

.nav-page-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  transition: color 120ms, background-color 120ms;
}
.nav-page-link:hover { color: var(--text-2); background: rgba(255,255,255,0.05); }
.nav-active { color: var(--text) !important; background: rgba(255,255,255,0.07) !important; }

/* ── User popover ────────────────────────────────────────────────────────── */
details.user-popover-wrap { position: relative; }
details.user-popover-wrap > summary {
  list-style: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  margin-left: 6px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: color 120ms, background-color 120ms, border-color 120ms;
  user-select: none;
}
details.user-popover-wrap > summary::-webkit-details-marker,
details.user-popover-wrap > summary::marker { display: none; }
details.user-popover-wrap > summary:hover {
  color: var(--text);
  background: rgba(255,255,255,0.05);
  border-color: var(--border);
}
details.user-popover-wrap > summary .chevron { font-size: 9px; color: var(--muted); }

.user-popover {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  min-width: 200px;
  z-index: 200;
  /* subtle inner-top highlight — the Linear/Vercel trick */
  box-shadow: 0 0 0 1px rgba(255,255,255,0.04) inset, 0 16px 48px rgba(0,0,0,0.7);
  overflow: hidden;
  padding: 4px;
}
.popover-item {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text-2);
  padding: 7px 10px;
  font-size: 13px;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 100ms, color 100ms;
}
.popover-item:hover { background: rgba(255,255,255,0.06); color: var(--text); }
.popover-item.danger { color: var(--red); }
.popover-item.danger:hover { background: var(--red-dim); }
.popover-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* ── Card (login / forms) ────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 420px;
  margin: 0 auto;
}
.card h2 { font-size: 18px; font-weight: 600; margin-bottom: 4px; letter-spacing: -0.02em; }
.subtitle { color: var(--muted); font-size: 13px; margin-bottom: 24px; line-height: 1.5; }

/* ── Form fields ─────────────────────────────────────────────────────────── */
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 6px;
}
.field small { color: var(--muted); font-size: 12px; margin-top: 4px; display: block; }

input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 7px 12px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 120ms, box-shadow 120ms;
}
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.08);
}
input::placeholder { color: var(--muted); }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
/* Shared base */
button { font-family: inherit; }

button[type="submit"], .btn-primary {
  width: 100%;
  background: #eeeeee;
  color: #111111;
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  height: 36px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  margin-top: 8px;
  transition: background-color 120ms, box-shadow 120ms;
}
button[type="submit"]:hover, .btn-primary:hover { background: rgba(238,238,238,0.88); }
button[type="submit"]:focus-visible, .btn-primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(255,255,255,0.2);
}
button:disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }

/* ghost / link */
.btn-link {
  display: inline-flex;
  align-items: center;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  transition: color 120ms, background-color 120ms;
}
.btn-link:hover { color: var(--text-2); background: rgba(255,255,255,0.05); }

/* approve — green, semantic */
.btn-approve {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--green-btn);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  height: 32px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: background-color 120ms, box-shadow 120ms;
}
.btn-approve:hover { background: var(--green-hover); }
.btn-approve:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--green-dim); }

/* deny / revoke — ghost with red tint */
.btn-deny, .btn-revoke {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--red);
  border: 1px solid var(--red-border);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  height: 32px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: background-color 120ms, border-color 120ms;
}
.btn-deny:hover, .btn-revoke:hover {
  background: var(--red-dim);
  border-color: var(--red);
}

/* compact variant used inside table rows */
.btn-sm { padding: 4px 12px; height: 28px; font-size: 12px; }

/* ── Messages ────────────────────────────────────────────────────────────── */
.message {
  margin-top: 16px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}
.message.success {
  background: var(--green-dim);
  border: 1px solid var(--green-border);
  color: var(--green);
}
.message.error {
  background: var(--red-dim);
  border: 1px solid var(--red-border);
  color: var(--red);
}
.hidden { display: none !important; }

/* ── Tabs — pill/card variant (shadcn default) ───────────────────────────── */
.tabs {
  display: inline-flex;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3px;
  gap: 2px;
  margin-bottom: 24px;
}
.tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--muted);
  padding: 6px 14px;
  height: 34px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: color 120ms, background-color 120ms, border-color 120ms, box-shadow 120ms;
}
.tab:hover:not(.active) { color: var(--text-2); }
.tab.active {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.06);
}

.tab-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 16px;
  padding: 0 5px;
  background: rgba(255,255,255,0.08);
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  margin-left: 5px;
  line-height: 1;
}
.tab-count:empty { display: none; }
.tab.active .tab-count {
  background: var(--blue-dim);
  color: var(--blue);
}

/* ── User table ──────────────────────────────────────────────────────────── */
.user-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.user-table thead th {
  text-align: left;
  padding: 0 14px;
  height: 44px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);          /* per research: NOT muted */
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.user-table thead th:first-child { padding-left: 8px; }
.user-table thead th:last-child { padding-right: 8px; }

.user-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background-color 80ms;
}
.user-table tbody tr:last-child { border-bottom: none; }

.user-row { cursor: pointer; }
.user-row:hover td { background: rgba(255,255,255,0.04); }
.user-row:has(input:checked) td { background: rgba(96,165,250,0.06); }

.user-table td {
  padding: 13px 14px;
  vertical-align: middle;
}
.user-table td:first-child { padding-left: 8px; }
.user-table td:last-child { padding-right: 8px; }

.col-check   { width: 36px; }
.col-user    { min-width: 160px; }
.col-email   { color: var(--text-2); max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.col-date    { color: var(--muted); white-space: nowrap; font-size: 12px; }
.col-status  { white-space: nowrap; }
.col-actions { text-align: right; white-space: nowrap; }

.row-callsign { font-weight: 600; font-size: 13px; color: var(--text); }
.row-meta { color: var(--muted); font-size: 12px; margin-top: 2px; }

.row-groups {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 5px;
  min-height: 0; /* collapses when empty */
}
.row-group-pill {
  display: inline-flex;
  align-items: center;
  background: rgba(255,255,255,0.06);
  color: var(--text-2);
  border-radius: 9999px;
  padding: 1px 8px;
  font-size: 11px;
  font-weight: 400;
  max-width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.row-group-overflow {
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  font-size: 11px;
  padding: 1px 4px;
}

/* ── Request cards (groups page) ─────────────────────────────────────────── */
.request-list { display: flex; flex-direction: column; }

.request-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 6px;
  transition: border-color 120ms, background-color 120ms;
}
.request-card:hover { border-color: var(--border-2); background: rgba(255,255,255,0.02); }
.request-card:last-child { margin-bottom: 0; }

.request-info { flex: 1; min-width: 0; }
.request-info .callsign { font-size: 14px; font-weight: 600; color: var(--text); }
.request-info .meta { color: var(--muted); font-size: 12px; margin-top: 2px; }

.request-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }

/* ── Badges — full pill, consistent with research ────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
  border: 1px solid transparent;
  text-transform: capitalize;
}
/* status dot via ::before */
.badge::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.badge-approved {
  background: var(--green-dim);
  border-color: var(--green-border);
  color: var(--green);
}
.badge-approved::before { display: none; }
.badge-denied {
  background: var(--red-dim);
  border-color: var(--red-border);
  color: var(--red);
}
.badge-revoked {
  background: var(--amber-dim);
  border-color: var(--amber-border);
  color: var(--amber);
}

/* ── Empty state ─────────────────────────────────────────────────────────── */
.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 52px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  gap: 6px;
}
.empty::before {
  content: '';
  display: block;
  width: 32px;
  height: 32px;
  margin-bottom: 4px;
  border-radius: 8px;
  background: var(--surface-2);
}

/* ── Admin banner ────────────────────────────────────────────────────────── */
.admin-banner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 13px;
  line-height: 1.5;
}
.banner-warning {
  background: var(--amber-dim);
  border: 1px solid var(--amber-border);
  color: var(--amber);
}
.banner-warning button {
  background: none; border: none; color: var(--amber);
  cursor: pointer; font-size: 14px; line-height: 1; opacity: 0.6; padding: 2px 0 0;
}
.banner-warning button:hover { opacity: 1; }
.banner-success {
  background: var(--green-dim);
  border: 1px solid var(--green-border);
  color: var(--green);
}
.banner-success button {
  background: none; border: none; color: var(--green);
  cursor: pointer; font-size: 14px; line-height: 1; opacity: 0.6; padding: 2px 0 0;
}
.banner-success button:hover { opacity: 1; }

/* ── Search input ────────────────────────────────────────────────────────── */
.search-input {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 7px 12px;
  font-size: 13px;
  font-family: inherit;
  margin-bottom: 16px;
  outline: none;
  transition: border-color 120ms, box-shadow 120ms;
}
.search-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.08);
}
.search-input::placeholder { color: var(--muted); }

/* ── Filter bar ──────────────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  align-items: center;
}
.filter-bar .search-input { margin-bottom: 0; flex: 1; min-width: 0; }

/* native select fallback */
.filter-select {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 7px 10px;
  font-size: 13px;
  cursor: pointer;
  min-width: 140px;
  outline: none;
  font-family: inherit;
  transition: border-color 120ms;
}
.filter-select:focus { border-color: var(--border-focus); }

/* ── Searchable Select ───────────────────────────────────────────────────── */
.ss-wrap {
  position: relative;
  min-width: 160px;
  max-width: 230px;
  flex-shrink: 0;
}

.ss-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  /* matches .search-input / inputs */
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  padding: 0 10px;
  height: 34px;
  font-size: 13px;
  font-family: inherit;
  color: var(--text);
  cursor: pointer;
  gap: 8px;
  text-align: left;
  transition: border-color 120ms, box-shadow 120ms;
}
.ss-trigger:hover { border-color: rgba(255,255,255,0.2); }
.ss-wrap.open .ss-trigger {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.08);
}

.ss-value {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: left;
}
.ss-value.is-placeholder { color: var(--muted); }

.ss-chevron {
  flex-shrink: 0;
  color: var(--muted);
  transition: transform 150ms;
}
.ss-wrap.open .ss-chevron { transform: rotate(180deg); }

.ss-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  min-width: 200px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  /* inset highlight on top edge */
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05), 0 16px 48px rgba(0,0,0,0.7);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 120ms ease, transform 120ms ease;
}
.ss-wrap.open .ss-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.ss-search-row {
  padding: 8px;
  border-bottom: 1px solid var(--border);
}
.ss-search {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 6px 10px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color 120ms;
}
.ss-search::placeholder { color: var(--muted); }
.ss-search:focus { border-color: var(--border-focus); }

.ss-options {
  max-height: 220px;
  overflow-y: auto;
  padding: 4px;
  scrollbar-width: thin;
  scrollbar-color: var(--gray-6) transparent;
}
.ss-options::-webkit-scrollbar { width: 4px; }
.ss-options::-webkit-scrollbar-track { background: transparent; }
.ss-options::-webkit-scrollbar-thumb { background: var(--gray-6); border-radius: 2px; }

.ss-opt {
  padding: 7px 10px;
  font-size: 13px;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color 80ms, color 80ms;
  user-select: none;
}
.ss-opt:hover, .ss-opt.is-focused { background: var(--surface-2); color: var(--text); }
.ss-opt.is-selected { color: var(--blue); font-weight: 500; }
.ss-opt.is-selected::after { content: '✓'; font-size: 11px; opacity: 0.8; }
.ss-noresults {
  color: var(--muted);
  cursor: default;
  text-align: center;
  padding: 14px 10px;
  font-size: 12px;
}
.ss-noresults:hover { background: none; color: var(--muted); }

/* ── Bulk action bar ─────────────────────────────────────────────────────── */
.bulk-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--blue);
  flex-wrap: wrap;
}
.bulk-bar > span:first-child { font-weight: 600; margin-right: 2px; }

.bulk-sep {
  width: 1px;
  height: 18px;
  background: rgba(96,165,250,0.25);
  flex-shrink: 0;
  margin: 0 2px;
}

.bulk-group-assign {
  display: flex;
  align-items: center;
  gap: 6px;
}
/* compact SS trigger that blends with the blue bulk bar */
.bulk-group-assign .ss-wrap { min-width: 150px; max-width: 200px; }
.bulk-group-assign .ss-trigger {
  height: 28px;
  padding: 0 8px;
  font-size: 12px;
  background: rgba(255,255,255,0.07);
  border-color: rgba(96,165,250,0.35);
  color: var(--blue);
}
.bulk-group-assign .ss-trigger:hover { border-color: rgba(96,165,250,0.6); }
.bulk-group-assign .ss-wrap.open .ss-trigger { border-color: rgba(96,165,250,0.8); box-shadow: 0 0 0 3px rgba(96,165,250,0.1); }
.bulk-group-assign .ss-value.is-placeholder { color: rgba(96,165,250,0.6); }
.bulk-group-assign .ss-chevron { color: rgba(96,165,250,0.5); }

/* ── Custom checkboxes (appearance: none — replaces all native OS rendering) */
input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  border: 1.5px solid rgba(255,255,255,0.22);
  border-radius: 3px;
  background: rgba(255,255,255,0.04);
  cursor: pointer;
  vertical-align: middle;
  transition: background-color 120ms, border-color 120ms, box-shadow 120ms;
}
input[type="checkbox"]:hover {
  border-color: rgba(255,255,255,0.38);
  background: rgba(255,255,255,0.07);
}
input[type="checkbox"]:focus-visible {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-dim);
}
input[type="checkbox"]:checked {
  background: var(--blue);
  border-color: var(--blue);
}
/* checkmark via rotated border trick */
input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 3.5px;
  top: 1px;
  width: 4px;
  height: 7px;
  border: 1.5px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(43deg);
}
input[type="checkbox"]:indeterminate {
  background: var(--blue);
  border-color: var(--blue);
}
input[type="checkbox"]:indeterminate::after {
  content: '';
  position: absolute;
  left: 2px;
  top: 5px;
  width: 8px;
  height: 1.5px;
  background: #fff;
}
input[type="checkbox"]:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* row checkbox — used inside user table */
.row-checkbox { transform: translateY(1px); }

.checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 220px;
  overflow-y: auto;
  margin-top: 8px;
  scrollbar-width: thin;
  scrollbar-color: var(--gray-6) transparent;
}
.checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: background-color 80ms;
}
.checkbox-item:hover { background: rgba(255,255,255,0.05); }

/* ── Groups ──────────────────────────────────────────────────────────────── */
.groups-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.groups-toolbar span { flex: 1; }

.create-group-form {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.create-group-error { color: var(--red); font-size: 12px; }

.group-add-area {
  padding: 16px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 16px;
}

/* ── Audit table ─────────────────────────────────────────────────────────── */
.audit-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.audit-table thead th {
  text-align: left;
  padding: 0 14px;
  height: 44px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.audit-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background-color 80ms;
}
.audit-table tbody tr:last-child { border-bottom: none; }
.audit-table tbody tr:hover td { background: rgba(255,255,255,0.03); }
.audit-table td { padding: 12px 14px; vertical-align: middle; }
.audit-action { font-weight: 600; color: var(--text); }
.audit-target { color: var(--text-2); }
.audit-actor  { color: var(--muted); font-size: 12px; }
.audit-time   { color: var(--muted); font-size: 12px; white-space: nowrap; }

/* legacy row style (unused, kept for safety) */
.audit-row {
  display: flex;
  justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.audit-row:last-child { border-bottom: none; }

/* ── User detail page ────────────────────────────────────────────────────── */
.user-page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}
.user-page-header h2 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.user-page-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}
@media (max-width: 600px) {
  .user-page-body { grid-template-columns: 1fr; }
}

.card-section {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 12px;
}
.section-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin-bottom: 14px;
}
.info-row {
  display: flex;
  gap: 12px;
  font-size: 13px;
  padding: 4px 0;
}
.info-label { color: var(--muted); min-width: 90px; flex-shrink: 0; font-size: 12px; }
.action-row { display: flex; gap: 8px; }

/* ── Group tags ──────────────────────────────────────────────────────────── */
.ud-groups { display: flex; flex-wrap: wrap; gap: 6px; min-height: 24px; }

.group-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  border-radius: 9999px;
  padding: 2px 8px 2px 10px;
  font-size: 12px;
  color: var(--blue);
}
.group-tag-remove {
  background: none; border: none; color: var(--blue);
  cursor: pointer; font-size: 11px; padding: 0; line-height: 1; opacity: 0.5;
}
.group-tag-remove:hover { opacity: 1; }

/* ── Group pills ─────────────────────────────────────────────────────────── */
.group-pill-list { display: flex; flex-wrap: wrap; gap: 6px; }
.group-pill {
  background: transparent;
  border: 1px solid var(--border-2);
  border-radius: 9999px;
  color: var(--muted);
  padding: 3px 12px;
  font-size: 12px;
  cursor: pointer;
  transition: background-color 120ms, border-color 120ms, color 120ms;
}
.group-pill:hover { border-color: var(--blue-border); color: var(--text-2); background: var(--blue-dim); }
.group-pill.selected { background: var(--blue-dim); border-color: var(--blue-border); color: var(--blue); font-weight: 500; }

.groups-divider { border-top: 1px solid var(--border); margin: 14px 0; }

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .hide-sm { display: none; }
  .filter-bar { flex-wrap: wrap; }
  .ss-wrap { min-width: 120px; max-width: 100%; }
  .tabs { flex-wrap: wrap; }
}

/* Language switcher in nav */
.lang-switcher { display: inline-flex; gap: 2px; margin-left: 12px; align-items: center; }
.lang-switcher .lang-btn {
  padding: 4px 8px; font-size: 11px; font-weight: 600; letter-spacing: 0.5px;
  background: transparent; border: 1px solid var(--border, #ddd); border-radius: 4px;
  color: var(--muted, #666); cursor: pointer; transition: all .15s ease;
}
.lang-switcher .lang-btn:hover { border-color: var(--accent, #2563eb); color: var(--accent, #2563eb); }
.lang-switcher .lang-btn.active {
  background: var(--accent, #2563eb); border-color: var(--accent, #2563eb); color: #fff;
}