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

/* ─── Themes ─────────────────────────────────────────────────── */
:root {
  --bg:         #0f172a;
  --surface-1:  #1e293b;
  --surface-2:  #243148;
  --surface-3:  #0a1120;
  --border:     #334155;
  --accent:     #6366f1;
  --text:       #f1f5f9;
  --text-muted: #94a3b8;
  --danger:     #ef4444;
  --success:    #22c55e;
  --warning:    #f59e0b;
  color-scheme: dark;
}

[data-theme="light"] {
  --bg:         #f8fafc;
  --surface-1:  #ffffff;
  --surface-2:  #f1f5f9;
  --surface-3:  #e2e8f0;
  --border:     #cbd5e1;
  --accent:     #4f46e5;
  --text:       #0f172a;
  --text-muted: #64748b;
  --danger:     #dc2626;
  --success:    #16a34a;
  --warning:    #d97706;
  color-scheme: light;
}

/* ─── Base ───────────────────────────────────────────────────── */
body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}
a { color: inherit; }

/* Smooth theme transitions — only on elements that have explicit colors */
body, .topnav, .card, .stat-card, .auth-card, .new-key-banner,
.download-card, .docs-nav, .docs-code, .flash {
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}

/* ─── Auth pages ─────────────────────────────────────────────── */
.auth-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; }
.auth-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  width: 100%;
  max-width: 360px;
}
.auth-card .brand { font-size: 20px; font-weight: 700; margin-bottom: 24px; }
.auth-card label {
  display: block;
  margin-bottom: 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.auth-card input {
  display: block;
  width: 100%;
  margin-top: 5px;
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px 10px;
  color: var(--text);
  font-size: 13px;
}
.auth-card button {
  width: 100%;
  margin-top: 8px;
  background: var(--accent);
  border: none;
  border-radius: 4px;
  padding: 9px;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.auth-card button:hover { opacity: 0.9; }
.auth-card .flash { margin-bottom: 14px; border-radius: 4px; }

/* ─── Top nav ────────────────────────────────────────────────── */
.topnav {
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: stretch;
  padding: 0 20px;
  position: relative;
}
.brand {
  font-weight: 700;
  font-size: 13px;
  padding: 12px 16px 12px 0;
  margin-right: 8px;
  color: var(--text);
  display: flex;
  align-items: center;
  white-space: nowrap;
  text-decoration: none;
}
.nav-links { display: flex; align-items: stretch; flex: 1; }
.navlink {
  padding: 12px 14px;
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.navlink:hover { color: var(--text); }
.navlink.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

.nav-end {
  display: flex;
  align-items: center;
  margin-left: auto;
  gap: 2px;
  padding-left: 8px;
}
.navright { font-size: 12px; color: var(--text-muted); white-space: nowrap; }
.navright a { color: var(--text-muted); text-decoration: none; }
.navright a:hover { color: var(--text); }

/* Icon buttons in nav */
.nav-icon-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px 7px;
  line-height: 1;
  border-radius: 4px;
  display: flex;
  align-items: center;
  font-size: 15px;
}
.nav-icon-btn:hover { color: var(--text); background: var(--surface-1); }
.hamburger { display: none; font-size: 20px; }

/* ─── Flash messages ─────────────────────────────────────────── */
.flash { padding: 10px 20px; font-size: 12px; }
.flash.success { background: #22c55e1a; color: var(--success); border-bottom: 1px solid #22c55e40; }
.flash.error   { background: #ef44441a; color: var(--danger);  border-bottom: 1px solid #ef444440; }

/* ─── Main content ───────────────────────────────────────────── */
main { padding: 24px; }

/* ─── Stat grid ──────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
}
.stat-value { font-size: 28px; font-weight: 700; }
.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
}

/* ─── Data tables ────────────────────────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; font-size: 12px; min-width: 360px; }
.data-table th {
  text-align: left;
  padding: 6px 10px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}
.data-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.muted { color: var(--text-muted); }
mono, code { font-family: monospace; font-size: 11px; }

/* ─── Badges ─────────────────────────────────────────────────── */
.badge { padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.badge.connected    { background: #22c55e1a; color: var(--success); }
.badge.multi_connected { background: #22c55e1a; color: var(--success); }
.badge.offline,
.badge.never_connected { background: #6b72801a; color: var(--text-muted); }
.badge.admin        { background: #6366f11a; color: var(--accent); }
.badge.member       { background: #6b72801a; color: var(--text-muted); }
.badge.active       { background: #22c55e1a; color: var(--success); }
.badge.disabled     { background: #ef44441a; color: var(--danger); }
.badge.high         { background: #f59e0b1a; color: var(--warning); }
.badge.normal,
.badge.low          { background: #6b72801a; color: var(--text-muted); }

/* ─── Cards / forms ──────────────────────────────────────────── */
.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 20px;
}
.card-title { font-size: 13px; font-weight: 600; margin-bottom: 14px; }
.form-row { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.form-group { flex: 1; min-width: 100px; }
.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 5px;
}
.form-group input,
.form-group select {
  width: 100%;
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 7px 10px;
  color: var(--text);
  font-size: 12px;
}
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}
.prefix-wrap { display: flex; align-items: center; }
.prefix {
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-right: none;
  border-radius: 4px 0 0 4px;
  padding: 7px 10px;
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}
.prefix-wrap input { border-radius: 0 4px 4px 0; }

/* Buttons */
.btn {
  background: var(--accent);
  border: none;
  border-radius: 4px;
  padding: 8px 14px;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { opacity: 0.9; }
.btn-danger {
  background: none;
  border: 1px solid #ef444440;
  color: var(--danger);
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
}
.btn-danger:hover { background: #ef44441a; }
.btn-secondary {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.btn-secondary:hover { color: var(--text); border-color: var(--text-muted); }
.btn-success {
  background: none;
  border: 1px solid #22c55e40;
  color: var(--success);
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
}
.btn-success:hover { background: #22c55e1a; }
.btn-warning {
  background: none;
  border: 1px solid #f59e0b40;
  color: #f59e0b;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
}
.btn-warning:hover { background: #f59e0b1a; }
.btn-copy {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 13px;
  padding: 1px 4px;
  vertical-align: middle;
  border-radius: 3px;
}
.btn-copy:hover { color: var(--text); background: var(--surface-3); }
.table-hint { font-size: 11px; color: var(--text-muted); margin-top: 10px; }
.form-error { font-size: 11px; color: var(--danger); margin-top: 8px; }

/* ─── Empty table rows ───────────────────────────────────────── */
.empty-row td {
  padding: 16px 10px;
  color: var(--text-muted);
  font-style: italic;
  font-size: 12px;
}

/* ─── Last updated ───────────────────────────────────────────── */
.last-updated {
  font-size: 11px;
  color: var(--text-muted);
  text-align: right;
  margin-bottom: 8px;
  min-height: 16px;
}

/* ─── New key/token banner ───────────────────────────────────── */
.new-key-banner {
  background: #22c55e0d;
  border: 1px solid #22c55e40;
  border-radius: 6px;
  padding: 14px 16px;
  margin-bottom: 20px;
}
.new-key-banner p { font-size: 12px; color: var(--success); margin-bottom: 6px; }
.new-key-banner code {
  font-family: monospace;
  font-size: 12px;
  color: var(--text);
  background: var(--surface-3);
  padding: 4px 8px;
  border-radius: 3px;
  word-break: break-all;
  display: inline-block;
}
.new-key-actions { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }

/* ─── Docs layout ────────────────────────────────────────────── */
.docs-layout { display: flex; gap: 0; min-height: 480px; }
.docs-nav {
  width: 200px;
  border-right: 1px solid var(--border);
  padding: 16px 12px;
  flex-shrink: 0;
  font-size: 12px;
}
.docs-nav-header { display: none; } /* mobile toggle only */
.docs-nav-section {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 8px;
  margin-top: 12px;
}
.docs-nav-section:first-child { margin-top: 0; }
.docs-link {
  display: block;
  padding: 5px 8px;
  border-radius: 4px;
  color: var(--text-muted);
  text-decoration: none;
  cursor: pointer;
  font-size: 12px;
}
.docs-link:hover, .docs-link.active { background: var(--accent); color: #fff; }
.docs-content { flex: 1; padding: 24px; overflow: auto; font-size: 12px; line-height: 1.6; min-width: 0; }
.docs-section { display: none; }
.docs-section.active { display: block; }
.docs-title { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.docs-subtitle { color: var(--text-muted); margin-bottom: 16px; }
.docs-code {
  background: var(--surface-1);
  border-radius: 5px;
  padding: 12px 14px;
  font-family: monospace;
  font-size: 11px;
  margin-bottom: 16px;
  line-height: 1.8;
  white-space: pre-wrap;
  border-left: 3px solid var(--accent);
  overflow-x: auto;
  word-break: break-word;
}
.docs-label { font-weight: 600; margin-bottom: 6px; margin-top: 4px; }
.docs-p, .field-desc { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; line-height: 1.6; }
.form-inline { display: inline; }
.cell-actions { text-align: right; white-space: nowrap; }

/* ─── Model list (card rows) ──────────────────────────────── */
.model-list { padding: 4px 0; }
.model-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
}
.model-row + .model-row {
  border-top: 1px solid var(--border);
}
.model-name {
  font-family: monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
}
.model-aliases {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  flex: 1;
  min-width: 0;
}
.alias-badge {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-family: monospace;
  font-size: 10px;
  padding: 2px 6px 2px 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--accent);
  background: var(--surface-1);
  white-space: nowrap;
}
.alias-badge-del {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); padding: 0 1px; font-size: 11px; line-height: 1;
}
.alias-badge-del:hover { color: var(--danger); }
.model-add-alias { display: inline-flex; gap: 3px; align-items: center; }
.model-add-alias input {
  font-family: monospace; font-size: 10px;
  padding: 2px 6px;
  border: 1px solid var(--border); border-radius: 3px;
  background: var(--surface-3); color: var(--text);
  width: 90px;
}
.model-add-alias input:focus { outline: none; border-color: var(--accent); }
.alias-add-btn {
  background: none; border: 1px solid var(--border);
  border-radius: 3px; padding: 2px 6px;
  color: var(--text-muted); font-size: 11px; cursor: pointer;
  line-height: 1;
}
.alias-add-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ─── Client connections (sub-row) ─────────────────────────── */
.client-connections {
  padding: 6px 16px 6px 16px;
  background: var(--surface-3);
  border-top: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  font-size: 11px;
}
.conn-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 3px 0;
}
.conn-name {
  font-family: monospace;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.conn-version {
  color: var(--text-muted);
  font-size: 10px;
  white-space: nowrap;
}
.conn-models {
  color: var(--text-muted);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.conn-capacity {
  color: var(--text-muted);
  font-size: 10px;
  white-space: nowrap;
  min-width: 50px;
  text-align: right;
}

/* ─── Client filter bar ─────────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
#client-filter {
  flex: 1;
  max-width: 380px;
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 7px 10px;
  color: var(--text);
  font-size: 12px;
}
#client-filter:focus { outline: none; border-color: var(--accent); }

/* ─── User groups (admin clients view) ──────────────────────── */
.user-group { margin-bottom: 20px; }
.user-group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 0 6px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2px;
}
.user-group-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

/* ─── Pagination ─────────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 20px 0 4px;
}
.pagination .btn-secondary { min-width: 80px; }

/* ─── In-flight jobs ─────────────────────────────────────────── */
.conn-jobs {
  padding: 6px 10px 8px 10px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.job-row {
  padding: 6px 8px;
  background: var(--surface-1);
  border-radius: 5px;
  border: 1px solid var(--border);
  border-left: 3px solid transparent;
  font-size: 11px;
  transition: border-left-color 0.3s;
}
.job-processing { border-left-color: var(--warning); }
.job-generating  { border-left-color: var(--success); }
.job-row-header {
  display: flex;
  align-items: center;
  gap: 6px;
}
.job-phase-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--text-muted);
  transition: background 0.3s;
}
.job-processing .job-phase-dot {
  background: var(--warning);
  animation: job-pulse 1.5s ease-in-out infinite;
}
.job-generating .job-phase-dot { background: var(--success); }
@keyframes job-pulse { 0%,100%{opacity:1} 50%{opacity:0.35} }
.job-model {
  font-family: monospace;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.job-owner {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-muted);
}
.job-row-stats {
  margin-top: 3px;
  padding-left: 12px;
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.job-elapsed  { opacity: 0.85; }
.job-stats-live { opacity: 0.7; }
.job-badge-priority {
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 8px;
  line-height: 1.6;
  flex-shrink: 0;
}
.job-badge-priority.high { background: #f59e0b1a; color: var(--warning); }
.job-badge-priority.low  { background: #6b72801a; color: var(--text-muted); }
.job-badge-retry {
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 8px;
  line-height: 1.6;
  flex-shrink: 0;
  background: #ef44441a;
  color: var(--danger);
}
.btn-xs {
  padding: 1px 6px;
  font-size: 10px;
  line-height: 1.4;
}

/* ─── Queue collapsible header ───────────────────────────────── */
.queue-header {
  display: flex;
  align-items: center;
  gap: 8px;
}
.queue-count {
  font-size: 11px;
  padding: 1px 7px;
}
.badge.muted-badge {
  background: var(--surface-3);
  color: var(--text-muted);
}

/* ─── Model availability / alias badges ──────────────────────── */
/* ─── Token stats panel ──────────────────────────────────────── */
.stats-panels {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; margin-top: 4px;
}
.stats-panel-half { }
.stats-panel-label {
  font-size: 11px; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px;
}
.stats-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.stats-table th {
  text-align: left; padding: 4px 6px;
  font-size: 10px; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border); font-weight: 600;
}
.stats-table td { padding: 5px 6px; border-bottom: 1px solid var(--border); }
.stats-mono { font-family: monospace; font-size: 11px; max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ─── Priority inline select ─────────────────────────────────── */
.priority-inline {
  appearance: none; -webkit-appearance: none;
  background: transparent; border: 1px solid transparent;
  border-radius: 10px; padding: 2px 8px;
  font-size: 11px; font-weight: 600; cursor: pointer;
  color: var(--text-muted);
}
.priority-inline:focus { outline: none; }
.priority-inline:hover { border-color: var(--border); }
.priority-inline.priority-high { background: #f59e0b1a; color: var(--warning); }
.priority-inline.priority-normal,
.priority-inline.priority-low { background: #6b72801a; color: var(--text-muted); }

/* ─── Tabs (shared) ──────────────────────────────────────────── */
.tab-bar { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 0; }
.tab-btn {
  padding: 7px 16px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-muted);
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 4px 4px 0 0;
  margin-bottom: -1px;
  user-select: none;
  background: none;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { background: var(--surface-1); border-color: var(--border); color: var(--text); }
.tab-content {
  border: 1px solid var(--border);
  border-top: none;
  padding: 16px;
  border-radius: 0 0 4px 4px;
  margin-bottom: 16px;
  background: var(--surface-1);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }
/* Underline variant (settings-style tabs) */
.tab-bar.underline { border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab-bar.underline .tab-btn {
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: 8px 16px;
  font-size: 12px;
  margin-bottom: -1px;
  transition: color 0.1s;
}
.tab-bar.underline .tab-btn:hover { color: var(--text); }
.tab-bar.underline .tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); background: none; border-top: none; border-left: none; border-right: none; }

/* ─── Download cards ─────────────────────────────────────────── */
.download-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}
.download-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
}
.download-card-title { font-family: monospace; font-size: 12px; font-weight: 600; margin-bottom: 6px; }
.download-card-desc { font-size: 11px; color: var(--text-muted); margin-bottom: 12px; line-height: 1.5; }
.btn-download {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 5px 12px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
}
.btn-download:hover { border-color: var(--accent); color: var(--accent); }

/* ─── Flow prose ─────────────────────────────────────────────── */
.flow-prose { font-size: 12px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }

/* ─── Settings ───────────────────────────────────────────────── */
.settings-narrow { max-width: 480px; }
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 12px;
  flex-wrap: wrap;
}
.section-title { font-size: 13px; font-weight: 600; }
.inline-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.inline-input {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 10px;
  color: var(--text);
  font-size: 12px;
  width: 130px;
}
.inline-input:focus { outline: none; border-color: var(--accent); }

/* ─── Responsive: tablet ─────────────────────────────────────── */
@media (max-width: 768px) {
  .topnav { padding: 0 16px; }

  /* Mobile nav dropdown */
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface-2);
    border-bottom: 2px solid var(--border);
    z-index: 100;
    padding: 6px 0;
    box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  }
  .nav-links.open { display: flex; }
  .navlink {
    border-bottom: none;
    border-left: 2px solid transparent;
    padding: 11px 20px;
  }
  .navlink.active { border-left-color: var(--accent); border-bottom: none; }
  .hamburger { display: flex; }

  /* Stat grid: 2 cols */
  .stat-grid { grid-template-columns: repeat(2, 1fr); }

  /* Docs: stacked */
  .docs-layout { flex-direction: column; min-height: auto; }
  .docs-nav {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 0;
  }
  .docs-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    user-select: none;
  }
  .docs-nav-header:hover { color: var(--text); }
  .docs-nav-items { display: none; padding: 8px; }
  .docs-nav-items.open { display: block; }
  .docs-content { padding: 16px; }

  /* Download grid: 2 cols */
  .download-grid { grid-template-columns: repeat(2, 1fr); }

  /* Stats panels: stack */
  .stats-panels { grid-template-columns: 1fr; }

  /* Form rows: stack */
  .form-row { flex-direction: column; align-items: stretch; }
  .form-row .btn { width: 100%; justify-content: center; }

  /* Tables: horizontal scroll */
  .data-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }

  /* Settings inline form */
  .section-header { flex-direction: column; align-items: flex-start; }
  .inline-form { width: 100%; }
  .inline-input { flex: 1; min-width: 80px; width: auto; }

  main { padding: 16px; }
}

/* ─── Collapsible (JS-toggled) ─────────────────────────────── */
.collapsible {
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 4px;
}
.collapsible-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  cursor: pointer;
  user-select: none;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}
.collapsible-header:hover { color: var(--text); }
.toggle-arrow { font-size: 10px; display: inline-block; }
.collapsible-body { display: none; padding: 12px; }
.collapsible-body.open { display: block; }

/* ─── Priority save button ─────────────────────────────────── */
.btn-priority-save {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 7px;
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
  vertical-align: middle;
}
.btn-priority-save:hover { border-color: var(--accent); color: var(--accent); }

/* ─── Docs code copy button ────────────────────────────────── */
.docs-code-wrap { position: relative; margin-bottom: 16px; }
.docs-code-wrap .docs-code { margin-bottom: 0; }
.btn-code-copy {
  position: absolute;
  top: 6px;
  right: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2px 6px;
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
}
.docs-code-wrap:hover .btn-code-copy { opacity: 1; }
.btn-code-copy:hover { color: var(--text); border-color: var(--text-muted); }

/* ─── Mermaid diagrams ─────────────────────────────────────── */
.mermaid-diagram { background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 20px; margin: 16px 0; overflow-x: auto; }
.mermaid-diagram svg { max-width: 100%; height: auto; }
.mermaid-label { color: var(--text-muted); font-size: 0.85rem; margin: 12px 0 4px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }

/* ─── Site footer ────────────────────────────────────────────── */
.site-footer {
  text-align: center;
  padding: 16px;
  font-size: 11px;
  color: var(--text-muted);
  font-family: system-ui, sans-serif;
  letter-spacing: 0.04em;
}

/* ─── Responsive: data tables as cards ──────────────────────── */
@media (max-width: 600px) {
  .data-table,
  .data-table thead,
  .data-table tbody,
  .data-table th,
  .data-table td,
  .data-table tr { display: block; }

  .data-table { min-width: 0; }
  .data-table thead { display: none; }

  .data-table tr {
    margin-bottom: 10px;
    background: var(--surface-1);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
  }
  .data-table tr.empty-row {
    background: none;
    border: none;
    border-radius: 0;
    margin-bottom: 0;
  }

  .data-table td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 7px 12px;
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    gap: 8px;
  }
  .data-table td:last-child { border-bottom: none; }

  .data-table td[data-label]::before {
    content: attr(data-label);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    flex-shrink: 0;
  }

  /* Right-align action cells */
  .data-table td[data-label=""]::before { display: none; }
  .data-table td:not([data-label]) { justify-content: flex-end; }

  .table-scroll { overflow-x: visible; }
}

/* ─── Responsive: mobile ─────────────────────────────────────── */
@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-value { font-size: 22px; }
  main { padding: 12px; }
  .auth-card { padding: 24px 20px; }
  .docs-content { padding: 12px; }
  .new-key-actions { flex-direction: column; }
}

/* ─── Log viewer ─────────────────────────────────────────────── */
.logs-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 4px 4px 0 0;
  padding: 8px 10px;
  background: var(--surface-2);
}
.logs-container {
  border: 1px solid var(--border);
  border-radius: 0 0 4px 4px;
  background: var(--surface-1);
  max-height: 500px;
  overflow-y: auto;
  font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', monospace;
  font-size: 12px;
}
.logs-empty {
  padding: 20px;
  color: var(--text-muted);
  font-style: italic;
  text-align: center;
  font-family: inherit;
}
.log-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 3px 12px;
  border-bottom: 1px solid var(--border);
  line-height: 1.6;
}
.log-row:last-child { border-bottom: none; }
.log-row:hover { background: var(--surface-2); }
.log-time {
  color: var(--text-muted);
  font-size: 10px;
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 68px;
}
.log-level {
  font-size: 10px;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
  width: 36px;
  text-transform: uppercase;
}
.log-level.INFO  { color: var(--success); }
.log-level.WARN  { color: var(--warning); }
.log-level.ERROR { color: var(--danger); }
.log-level.DEBUG { color: var(--text-muted); }
.log-msg {
  flex: 1;
  word-break: break-word;
  color: var(--text);
}
.log-attrs {
  color: var(--text-muted);
  font-size: 10px;
  flex-shrink: 0;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}