/* ── Tokens ──────────────────────────────────────────────── */
:root {
  color-scheme: light dark;

  /* light */
  --bg:            #f0f0f0;
  --surface:       #ffffff;
  --surface-alt:   #f7f7f7;
  --surface-hover: #eeeeee;
  --border:        #d0d0d0;
  --border-strong: #a0a0a0;
  --ink:           #1a1a1a;
  --muted:         #5a5a5a;
  --accent:        #1a5fa8;
  --accent-fg:     #ffffff;
  --accent-hover:  #154e8c;
  --danger:        #b91c1c;
  --danger-bg:     #fef2f2;
  --ok-bg:         #f0faf4;
  --ok:            #166534;
  --status-online: #16a34a;
  --status-off:    #6b7280;
  --tag-bg:        #e8eef6;
  --tag-fg:        #1a5fa8;
  --row-selected:  #dbeafe;
  --row-selected-border: #1a5fa8;

  /* typography */
  --font: "Segoe UI", "Aptos", system-ui, sans-serif;
  --font-mono: "Cascadia Code", "Consolas", monospace;

  /* sizing */
  --sidebar-w: 220px;
  --detail-w:  320px;
  --topbar-h:  44px;
  --row-h:     36px;
}

[data-theme="dark"] {
  --bg:            #111111;
  --surface:       #1c1c1c;
  --surface-alt:   #252525;
  --surface-hover: #2e2e2e;
  --border:        #333333;
  --border-strong: #555555;
  --ink:           #e8e8e8;
  --muted:         #9a9a9a;
  --accent:        #4d9de0;
  --accent-fg:     #000000;
  --accent-hover:  #6db4f5;
  --danger:        #ef4444;
  --danger-bg:     #2d1111;
  --ok-bg:         #0d1f14;
  --ok:            #4ade80;
  --status-online: #4ade80;
  --status-off:    #6b7280;
  --tag-bg:        #1d2d3e;
  --tag-fg:        #4d9de0;
  --row-selected:  #1e3250;
  --row-selected-border: #4d9de0;
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.5;
  background: linear-gradient(160deg, var(--bg) 0%, color-mix(in srgb, var(--bg) 94%, var(--accent) 6%) 100%);
  color: var(--ink);
  overflow: hidden;
}
h1, h2, h3, h4 { margin: 0; font-weight: 600; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
input, select, textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 5px 8px;
  color: var(--ink);
  outline: none;
  width: 100%;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 80px; font-family: var(--font-mono); font-size: 12px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
hr { border: 0; border-top: 1px solid var(--border); margin: 8px 0; }

/* ── App shell ───────────────────────────────────────────── */
#appShell {
  display: grid;
  grid-template-rows: var(--topbar-h) auto 1fr;
  height: 100dvh;
  overflow: hidden;
}

/* ── Top bar ─────────────────────────────────────────────── */
#topbar {
  display: flex;
  align-items: center;
  background: linear-gradient(90deg, color-mix(in srgb, var(--surface) 92%, var(--accent) 8%) 0%, var(--surface) 60%);
  border-bottom: 1px solid var(--border);
  padding: 0 12px;
  z-index: 10;
}
#topbar .brand {
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-right: 18px;
  white-space: nowrap;
}
#topbar .brand span { color: var(--muted); font-weight: 400; }
.topbar-nav {
  display: flex;
  height: 100%;
  flex: 1;
  overflow-x: auto;
}
.topbar-nav button {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 0 14px;
  height: 100%;
  cursor: pointer;
  white-space: nowrap;
  color: var(--muted);
  font-size: 13px;
}
.topbar-nav button:hover { color: var(--ink); background: var(--surface-hover); }
.topbar-nav button.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  padding-left: 12px;
  flex-shrink: 0;
}
#topbarUser {
  font-size: 12px;
  color: var(--muted);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.operations-shell {
  position: relative;
}
#operationsButton {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--border);
  padding: 4px 10px;
  cursor: pointer;
  font-size: 12px;
  color: var(--muted);
  position: relative;
}
#operationsButton:hover {
  background: var(--surface-hover);
  color: var(--ink);
}
.operations-icon {
  color: var(--accent);
  font-size: 13px;
}
#operationsBadge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 2px var(--surface);
}
.operations-panel {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: 320px;
  max-height: 360px;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 12px 30px color-mix(in srgb, var(--ink) 14%, transparent);
  z-index: 30;
}
.operations-panel-head {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.operations-empty {
  padding: 14px 12px;
  color: var(--muted);
  font-size: 12px;
}
.operation-item {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.operation-item-title {
  font-size: 12px;
  font-weight: 600;
}
.operation-item-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}
.operation-item-meta {
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.operation-item-complete {
  background: linear-gradient(90deg, color-mix(in srgb, var(--ok-bg) 88%, transparent) 0%, transparent 100%);
}
#themeToggle, #topbarLogout {
  background: none;
  border: 1px solid var(--border);
  padding: 4px 9px;
  cursor: pointer;
  font-size: 12px;
  color: var(--muted);
}
#themeToggle:hover, #topbarLogout:hover { background: var(--surface-hover); color: var(--ink); }

/* ── Page area ───────────────────────────────────────────── */
#pages { overflow: hidden; position: relative; }
#pages > .page { position: absolute; inset: 0; overflow: hidden; }
.page[hidden] { display: none; }

/* ── Login page ──────────────────────────────────────────── */
#loginPage {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 30% 20%, color-mix(in srgb, var(--accent) 12%, transparent) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 80%, color-mix(in srgb, var(--accent) 7%, transparent) 0%, transparent 45%),
    var(--bg);
}
.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  width: 340px;
  padding: 28px;
  box-shadow: 0 8px 32px color-mix(in srgb, var(--accent) 10%, transparent);
}
.login-box h1 { font-size: 18px; margin-bottom: 4px; }
.login-box .sub { color: var(--muted); font-size: 12px; margin-bottom: 20px; }

/* ── Three-pane layout ───────────────────────────────────── */
.three-pane {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr var(--detail-w);
  height: 100%;
  overflow: hidden;
}
.three-pane > * { overflow: hidden; }

/* ── Sidebar (filter sets) ───────────────────────────────── */
.pane-filters {
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  background: var(--surface-alt);
}
.pane-filters .pane-head {
  padding: 8px 10px 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}
.pane-head-action {
  margin-left: auto;
  background: none;
  border: 1px solid var(--border);
  color: var(--accent);
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  flex-shrink: 0;
}
.pane-head-action:hover { background: var(--surface-hover); }
.filter-list { flex: 1; overflow-y: auto; }
.filter-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 10px;
  height: var(--row-h);
  cursor: pointer;
  border-left: 2px solid transparent;
  white-space: nowrap;
  overflow: hidden;
  font-size: 13px;
}
.filter-item:hover { background: var(--surface-hover); }
.filter-item.active {
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 18%, transparent) 0%, color-mix(in srgb, var(--accent) 6%, transparent) 100%);
  border-left-color: var(--row-selected-border);
  color: var(--accent);
  font-weight: 600;
}
.filter-item .count {
  margin-left: auto;
  font-size: 11px;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1px 6px;
  min-width: 22px;
  text-align: center;
}

/* ── Middle: device list ─────────────────────────────────── */
.pane-list {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--surface);
}
.pane-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, color-mix(in srgb, var(--surface-alt) 85%, var(--accent) 15%) 0%, var(--surface-alt) 50%);
  flex-shrink: 0;
}
.pane-toolbar input[type="search"] {
  flex: 1;
  min-width: 0;
  height: 26px;
  padding: 0 8px;
  font-size: 12px;
}
.pane-toolbar .toolbar-title { font-weight: 600; font-size: 13px; white-space: nowrap; }
.pane-toolbar .count-badge { font-size: 11px; color: var(--muted); white-space: nowrap; }

/* ── Device table ────────────────────────────────────────── */
.device-table-wrap { flex: 1; overflow-y: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.data-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--surface-alt);
  border-bottom: 2px solid var(--border);
  padding: 6px 10px;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.data-table thead th:hover { color: var(--ink); }
.data-table tbody tr { border-bottom: 1px solid var(--border); cursor: pointer; }
.data-table tbody tr:hover { background: var(--surface-hover); }
.data-table tbody tr.selected {
  background: var(--row-selected);
  box-shadow: inset 2px 0 0 var(--row-selected-border);
}
.data-table td {
  padding: 6px 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}
.device-name-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.device-name-primary {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.device-session-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  white-space: normal;
}
.device-session-tag {
  padding: 1px 6px;
}
.device-session-tag-own {
  background: color-mix(in srgb, var(--accent) 14%, var(--tag-bg));
  color: color-mix(in srgb, var(--accent-strong) 72%, var(--tag-fg));
}

/* ── Status dot ──────────────────────────────────────────── */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--status-off);
  margin-right: 5px;
  flex-shrink: 0;
}
.status-dot.online {
  background: radial-gradient(circle at 35% 35%, color-mix(in srgb, var(--status-online) 70%, #fff), var(--status-online));
  box-shadow: 0 0 4px color-mix(in srgb, var(--status-online) 60%, transparent);
}

/* ── Right pane: detail ──────────────────────────────────── */
.pane-detail {
  display: flex;
  flex-direction: column;
  background: var(--surface-alt);
  overflow-y: auto;
}
.pane-detail .detail-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 13px;
}
.detail-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, color-mix(in srgb, var(--surface) 90%, var(--accent) 10%) 0%, var(--surface) 70%);
  flex-shrink: 0;
}
.detail-head h2 { font-size: 14px; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.detail-body { padding: 12px; display: flex; flex-direction: column; gap: 14px; }
.detail-section { display: flex; flex-direction: column; gap: 6px; }
.detail-section-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}
.kv-grid { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; font-size: 12px; }
.kv-key { color: var(--muted); white-space: nowrap; }
.kv-val { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; }
.tag-list { display: flex; flex-wrap: wrap; gap: 4px; }
.tag { padding: 2px 7px; font-size: 11px; background: var(--tag-bg); color: var(--tag-fg); border: 1px solid var(--border); }

/* ── Full-page sections (users, roles, etc.) ─────────────── */
.two-col-page { display: grid; grid-template-columns: 340px minmax(0, 1fr); height: 100%; overflow: hidden; }
.two-col-page > * { overflow-y: auto; }
.settings-two-col { height: 100%; grid-template-columns: minmax(480px, 560px) minmax(360px, 1fr); }
.form-pane {
  border-right: 1px solid var(--border);
  padding: 16px;
  background: var(--surface-alt);
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow-y: auto;
}
.list-pane { background: var(--surface); overflow-y: auto; }

/* ── Section headers ─────────────────────────────────────── */
.section-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, color-mix(in srgb, var(--surface-alt) 85%, var(--accent) 15%) 0%, var(--surface-alt) 50%);
  flex-shrink: 0;
}
.section-head h2 { font-size: 13px; font-weight: 700; flex: 1; }

/* ── Summary bar ─────────────────────────────────────────── */
.summary-bar {
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, color-mix(in srgb, var(--surface) 88%, var(--accent) 12%) 0%, var(--surface) 40%);
  flex-shrink: 0;
  overflow-x: auto;
}
.summary-metric {
  display: flex;
  flex-direction: column;
  padding: 6px 16px;
  border-right: 1px solid var(--border);
  min-width: 100px;
}
.summary-metric .sm-val { font-size: 20px; font-weight: 700; line-height: 1.2; font-variant-numeric: tabular-nums; }
.summary-metric .sm-label { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.07em; }
.summary-metric .sm-sub { font-size: 11px; color: var(--muted); }

/* ── Forms ───────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label { font-size: 11px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.form-row { display: flex; gap: 8px; align-items: flex-end; }
.form-row > * { flex: 1; }
.form-title { font-size: 13px; font-weight: 700; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.settings-grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 5px 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  height: 28px;
}
.btn:hover { background: var(--surface-hover); }
.btn-primary { background: linear-gradient(160deg, var(--accent) 0%, var(--accent-hover) 100%); border-color: var(--accent-hover); color: var(--accent-fg); }
.btn-primary:hover { background: linear-gradient(160deg, var(--accent-hover) 0%, color-mix(in srgb, var(--accent-hover) 80%, #000) 100%); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-sm { padding: 3px 8px; height: 24px; font-size: 11px; }
.btn-full { width: 100%; }

/* ── Feedback ────────────────────────────────────────────── */
.feedback-msg { padding: 7px 10px; font-size: 12px; border: 1px solid var(--border); background: var(--ok-bg); color: var(--ok); }
.feedback-msg.error { background: var(--danger-bg); color: var(--danger); border-color: var(--danger); }
.feedback-msg[hidden] { display: none; }

/* ── Entity rows ─────────────────────────────────────────── */
.entity-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}
.entity-row:hover { background: var(--surface-hover); }
.entity-row.selected { background: var(--row-selected); box-shadow: inset 2px 0 0 var(--row-selected-border); }
.entity-row .er-title { font-weight: 600; font-size: 13px; }
.entity-row .er-sub { font-size: 11px; color: var(--muted); }
.entity-row-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.row-menu {
  position: relative;
}
.row-menu summary {
  list-style: none;
  cursor: pointer;
}
.row-menu summary::-webkit-details-marker { display: none; }
.row-menu[open] .row-menu-popover {
  display: flex;
}
.row-menu-popover {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  flex-direction: column;
  gap: 4px;
  min-width: 150px;
  padding: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--ink) 12%, transparent);
  z-index: 20;
}
.package-action-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 6px;
  border: 1px solid var(--border);
  background: var(--surface-alt);
}
.package-action-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.package-action-meta {
  font-size: 11px;
  color: var(--muted);
}
.package-action-meta.building {
  color: var(--accent);
  font-weight: 600;
}
.package-action-buttons {
  display: flex;
  gap: 6px;
}

/* ── Settings shell ─────────────────────────────────────── */
.settings-shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  height: 100%;
  overflow: hidden;
}
.settings-nav {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--surface-alt);
}
.settings-nav-item {
  display: flex;
  align-items: center;
  width: 100%;
  height: var(--row-h);
  padding: 0 12px;
  border: none;
  border-left: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  text-align: left;
}
.settings-nav-item:hover {
  background: var(--surface-hover);
  color: var(--ink);
}
.settings-nav-item.active {
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 18%, transparent) 0%, color-mix(in srgb, var(--accent) 6%, transparent) 100%);
  border-left-color: var(--row-selected-border);
  color: var(--accent);
  font-weight: 600;
}
.settings-content {
  position: relative;
  overflow: hidden;
  background: var(--surface);
}
.settings-panel {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.settings-panel[hidden] {
  display: none;
}
.settings-placeholder {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  text-align: center;
  padding: 24px;
}
.settings-placeholder h2 {
  font-size: 16px;
  color: var(--ink);
}
.metadata-form-pane {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.metadata-list-pane {
  padding: 0;
}
.metadata-stack {
  display: grid;
  grid-template-rows: 1fr 1fr;
  height: 100%;
}
.metadata-stack > section {
  min-height: 0;
  overflow-y: auto;
  padding: 14px;
  border-bottom: 1px solid var(--border);
}
.metadata-stack > section:last-child {
  border-bottom: none;
}
.form-check-group {
  display: grid;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}
.form-check-group label {
  display: flex;
  align-items: center;
  gap: 8px;
}
.form-check-group input {
  width: auto;
  accent-color: var(--accent);
}
.form-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.compact-head {
  padding: 0 0 8px;
  min-height: 0;
}
.empty-hint {
  padding: 10px 12px;
  border: 1px dashed var(--border);
  border-radius: 10px;
  color: var(--muted);
  font-size: 12px;
}
.token-metadata-section {
  display: grid;
  gap: 8px;
}
.metadata-editor-grid {
  display: grid;
  gap: 10px;
}
.metadata-field-card {
  display: grid;
  gap: 6px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-alt);
}
.metadata-field-card label {
  font-size: 12px;
  font-weight: 600;
}
.metadata-field-meta {
  font-size: 11px;
  color: var(--muted);
}
.scope-rule-list {
  display: grid;
  gap: 8px;
}
.scope-rule-row {
  display: grid;
  grid-template-columns: minmax(180px, 240px) minmax(200px, 1fr) auto;
  gap: 8px;
  align-items: start;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-alt);
}
.scope-rule-row > div {
  min-width: 0;
}
.scope-rule-row .btn {
  align-self: center;
}
.scope-rule-row input,
.scope-rule-row select,
.scope-rule-row textarea {
  margin: 0;
}

/* ── Audit ────────────────────────────────────────────────── */
.audit-filters {
  display: flex;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-alt);
  flex-wrap: wrap;
  align-items: flex-end;
}
.audit-filters .form-group { flex: 1; min-width: 100px; }

/* ── Privileges grid ─────────────────────────────────────── */
.privileges-grid { display: flex; flex-wrap: wrap; gap: 4px; }
.privileges-grid label {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border: 1px solid var(--border);
  font-size: 11px;
  cursor: pointer;
  background: var(--surface);
}
.privileges-grid label:hover { background: var(--surface-hover); }
fieldset { border: 1px solid var(--border); padding: 8px 10px; margin: 0; }
legend { font-size: 11px; font-weight: 700; padding: 0 4px; color: var(--muted); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .three-pane { grid-template-columns: var(--sidebar-w) 1fr; }
  .pane-detail { display: none; }
  .three-pane[data-detail-open] .pane-detail {
    display: flex;
    position: fixed;
    top: var(--topbar-h);
    right: 0;
    bottom: 0;
    width: min(360px, 100vw);
    z-index: 20;
    border-left: 1px solid var(--border);
    box-shadow: -4px 0 24px rgba(0,0,0,0.18);
  }
}
@media (max-width: 600px) {
  :root { --sidebar-w: 48px; }
  .three-pane { grid-template-columns: 48px 1fr; }
  .filter-item .count, .filter-item .label { display: none; }
  .filter-item { justify-content: center; padding: 0; }
  #topbar .brand span { display: none; }
  .two-col-page { grid-template-columns: 1fr; }
  .form-pane { border-right: none; border-bottom: 1px solid var(--border); }
  .settings-shell { grid-template-columns: 1fr; }
  .settings-nav { border-right: none; border-bottom: 1px solid var(--border); }
  .metadata-stack { grid-template-rows: auto auto; }
  .scope-rule-row { grid-template-columns: 1fr; }
  .settings-grid-2 { grid-template-columns: 1fr; }
}

/* ── Scrollbars ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

/* ── Utility ─────────────────────────────────────────────── */
[hidden] { display: none !important; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.mono { font-family: var(--font-mono); font-size: 12px; }

/* ── Filter sidebar: sections ────────────────────────────── */
.filter-section-head {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px 2px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  user-select: none;
  margin-top: 4px;
  flex-shrink: 0;
}
.filter-section-head:first-child { margin-top: 0; }
.views-section-head .filter-add-view-btn {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  padding: 0 2px;
  line-height: 1;
  display: flex;
  align-items: center;
}
.views-section-head .filter-add-view-btn:hover { color: var(--accent-hover); }
.filter-empty-hint {
  padding: 4px 14px;
  font-size: 11px;
  color: var(--muted);
  font-style: italic;
}

/* ── Custom view filter items ────────────────────────────── */
.filter-item-custom { overflow: visible; }
.filter-caret {
  font-size: 10px;
  color: var(--muted);
  cursor: pointer;
  min-width: 12px;
  text-align: center;
  flex-shrink: 0;
}
.filter-caret.leaf { visibility: hidden; cursor: default; }
.filter-caret:not(.leaf):hover { color: var(--ink); }
.filter-item-custom .label { flex: 1; overflow: hidden; text-overflow: ellipsis; }
.filter-item-custom .count { margin-left: 0; }
.filter-action-btn {
  visibility: hidden;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 0 3px;
  font-size: 13px;
  letter-spacing: 1.5px;
  flex-shrink: 0;
  line-height: 1;
}
.filter-item-custom:hover .filter-action-btn,
.filter-item-custom.active .filter-action-btn { visibility: visible; }
.filter-item-custom:hover .count { display: none; }
.filter-action-btn:hover { color: var(--ink); }

/* ── Context action menu ─────────────────────────────────── */
.action-menu {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  min-width: 160px;
  padding: 4px 0;
}
.action-menu button {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 6px 14px;
  font-size: 13px;
  color: var(--ink);
  cursor: pointer;
}
.action-menu button:hover { background: var(--surface-hover); }
.action-menu button.danger { color: var(--danger); }
.action-menu hr { border: none; border-top: 1px solid var(--border); margin: 4px 0; }

/* ── Modal overlay ───────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-box {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
  width: 580px;
  max-width: 95vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 14px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 8%, var(--surface)), var(--surface));
  flex-shrink: 0;
}
.modal-close {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--muted);
  padding: 0 4px;
  line-height: 1;
}
.modal-close:hover { color: var(--ink); }
.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.modal-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

/* ── Logic toggle ────────────────────────────────────────── */
.logic-toggle {
  display: flex;
  border: 1px solid var(--border);
  overflow: hidden;
}
.logic-btn {
  flex: 1;
  background: var(--surface);
  border: none;
  padding: 5px 10px;
  font-size: 12px;
  cursor: pointer;
  color: var(--muted);
}
.logic-btn.active { background: var(--accent); color: var(--accent-fg); font-weight: 600; }
.logic-btn:not(.active):hover { background: var(--surface-hover); }

/* ── Condition rows ──────────────────────────────────────── */
.conditions-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}
.conditions-list { display: flex; flex-direction: column; gap: 6px; }
.condition-row { display: flex; align-items: center; gap: 6px; }
.condition-row .cond-field { flex: 2; min-width: 0; }
.condition-row .cond-op { flex: 1.5; min-width: 0; }
.condition-row .cond-value-wrap { flex: 2; min-width: 0; }
.condition-row .cond-value { width: 100%; min-width: 0; }
.condition-row .cond-no-value { display: block; min-width: 0; }
.condition-row .cond-remove { flex-shrink: 0; }
.cond-empty-hint { font-size: 12px; color: var(--muted); font-style: italic; margin: 0; }

/* ── Grants modal ────────────────────────────────────────── */
.grants-modal-box { width: 620px; }
.grants-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.grants-tab {
  flex: 1;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s;
  margin-bottom: -1px;
}
.grants-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.grants-tab:not(.active):hover { color: var(--ink); }

.grants-list { display: flex; flex-direction: column; gap: 6px; }
.grant-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  background: var(--surface-alt, var(--surface));
  border: 1px solid var(--border);
}
.grant-row .grant-name { flex: 0 0 140px; font-size: 13px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.grant-privs { display: flex; flex-wrap: wrap; gap: 4px 10px; flex: 1; }
.grant-priv-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--ink);
  cursor: pointer;
  white-space: nowrap;
}
.grant-priv-label input[type="checkbox"] { margin: 0; cursor: pointer; }
.grant-revoke { flex-shrink: 0; background: none; border: none; color: var(--muted); font-size: 16px; cursor: pointer; line-height: 1; padding: 2px 4px; }
.grant-revoke:hover { color: var(--danger); }
.grants-empty { font-size: 12px; color: var(--muted); font-style: italic; }

.grants-modal-foot { flex-direction: column; align-items: stretch; gap: 8px; }
.grants-add-row { display: flex; align-items: center; gap: 8px; }
.grants-add-row select { flex: 1; }
.grants-add-row .btn { flex-shrink: 0; }