/* ============================================================
   ADMIN PANEL — darker, more clinical than the main app
   Supports light (default) and dark themes via [data-theme]
   ============================================================ */

:root,
:root[data-theme="light"] {
  --paper: #eae3d3;
  --paper-deep: #ddd5c2;
  --ink: #141210;
  --ink-soft: #2d2822;
  --ink-muted: #5e564b;
  --rule: #bcb09c;
  --rule-soft: #d2c7b3;
  --accent: #8a2a1a;
  --accent-soft: #b8553f;
  --highlight: #d6c26a;
  --ok: #2a6635;
  --warn: #965f1a;
  --diagonal-stripe: rgba(20, 18, 16, 0.02);
  --grain-opacity: 0.3;
  --modal-backdrop: rgba(20, 18, 16, 0.5);

  --font-display: "Fraunces", Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

:root[data-theme="dark"] {
  --paper: #13110e;
  --paper-deep: #1c1913;
  --ink: #e4dac2;
  --ink-soft: #c0b49a;
  --ink-muted: #807663;
  --rule: #342d22;
  --rule-soft: #26211a;
  --accent: #c65840;
  --accent-soft: #df7f63;
  --highlight: #c9ab47;
  --ok: #65a572;
  --warn: #c68c43;
  --diagonal-stripe: rgba(228, 218, 194, 0.025);
  --grain-opacity: 0.1;
  --modal-backdrop: rgba(0, 0, 0, 0.75);
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0; height: 100%;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-display);
  font-feature-settings: "ss01", "onum";
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-image:
    repeating-linear-gradient(45deg, transparent 0, transparent 30px, var(--diagonal-stripe) 30px, var(--diagonal-stripe) 31px);
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  opacity: var(--grain-opacity);
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.1 0 0 0 0 0.08 0 0 0 0 0.06 0 0 0 0.35 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

:root[data-theme="dark"] .grain {
  mix-blend-mode: screen;
}

.hidden { display: none !important; }

/* ============================================================
   AUTH SCREENS
   ============================================================ */
.auth-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 44px 40px 36px;
  box-shadow: 10px 10px 0 var(--accent);
  position: relative;
}

.auth-brand {
  text-align: center;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--rule);
}
.auth-brand h1 {
  margin: 0;
  font-size: 1.9rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.auth-tagline {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.admin-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  font-weight: 700;
  color: var(--paper);
  background: var(--accent);
  padding: 4px 10px;
  margin-bottom: 14px;
}
.admin-badge.small {
  margin-bottom: 0;
  margin-right: 14px;
  font-size: 0.6rem;
  padding: 3px 8px;
}

.auth-form { display: flex; flex-direction: column; gap: 16px; }

.auth-intro {
  margin: 0 0 6px;
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.5;
  font-style: italic;
}

.auth-label { display: flex; flex-direction: column; gap: 6px; }
.auth-label > span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.auth-label small {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--ink-muted);
}
.auth-label input,
.auth-label select {
  font-family: var(--font-display);
  font-size: 1rem;
  padding: 10px 12px;
  border: 1px solid var(--ink);
  background: var(--paper-deep);
  color: var(--ink);
  outline: none;
}
.auth-label input:focus,
.auth-label select:focus {
  background: var(--paper);
  box-shadow: 3px 3px 0 var(--accent);
}

.auth-btn {
  margin-top: 8px;
  padding: 12px 18px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  display: block;
  transition: all 0.15s;
}
.auth-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--ink);
}

.auth-error {
  padding: 10px 14px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-left: 3px solid var(--accent);
  color: var(--accent);
  font-size: 0.88rem;
  font-family: var(--font-mono);
}

/* ============================================================
   MASTHEAD
   ============================================================ */
.masthead {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  border-bottom: 2px solid var(--ink);
  background: var(--paper-deep);
}
.masthead-left {
  display: flex;
  align-items: center;
}
.masthead-title h1 {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
}
.tagline {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.masthead-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 4px 10px;
  border: 1px solid var(--rule);
  background: var(--paper);
}

.logout-btn {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--rule);
  padding: 5px 10px;
  cursor: pointer;
  transition: all 0.15s;
}
.logout-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Back-to-archive button */
.back-btn {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--accent);
  border: 1px solid var(--accent);
  padding: 5px 12px;
  cursor: pointer;
  transition: all 0.15s;
  font-weight: 500;
}
.back-btn:hover { background: var(--accent-soft); border-color: var(--accent-soft); transform: translateY(-1px); }

/* Site footer (shown on the admin view) */
#adminApp:not(.hidden) {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.admin-main { flex: 1 0 auto; }

.site-footer {
  flex-shrink: 0;
  padding: 14px 40px;
  border-top: 1px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  text-align: center;
  background: var(--paper-deep);
}
@media (max-width: 720px) {
  .site-footer { padding: 12px 20px; font-size: 0.62rem; }
}

/* ============================================================
   THEME TOGGLE
   ============================================================ */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--rule);
  background: var(--paper-deep);
  color: var(--ink-soft);
  cursor: pointer;
  padding: 0;
  transition: all 0.2s ease;
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}
.theme-toggle svg {
  width: 16px;
  height: 16px;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.theme-toggle:hover svg { transform: rotate(25deg); }
:root[data-theme="dark"] .theme-toggle:hover svg { transform: rotate(-25deg); }

.theme-toggle .icon-sun { display: inline-block; }
.theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: inline-block; }

/* Floating variant shown on auth/setup screens */
.theme-toggle-float {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 200;
}
body:has(#adminApp:not(.hidden)) .theme-toggle-float { display: none; }

/* ============================================================
   MAIN
   ============================================================ */
.admin-main {
  padding: 36px 40px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Tab navigation */
.admin-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 28px;
  border-bottom: 2px solid var(--ink);
}
.admin-tab {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  background: transparent;
  color: var(--ink-muted);
  border: 1px solid transparent;
  border-bottom: none;
  padding: 10px 22px;
  cursor: pointer;
  margin-bottom: -2px;
  transition: all 0.15s;
  position: relative;
}
.admin-tab:hover {
  color: var(--ink-soft);
}
.admin-tab.active {
  background: var(--paper);
  border-color: var(--ink);
  color: var(--ink);
}
.admin-tab.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: -1px;
  right: -1px;
  height: 4px;
  background: var(--paper);
}
.admin-panel { animation: fadeIn 0.2s ease-out; }

.section-heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0;
}

.admin-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
}
.toolbar-meta {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}

.primary-btn {
  padding: 10px 18px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: all 0.15s;
}
.primary-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--ink);
}

/* ============================================================
   USER TABLE
   ============================================================ */
.user-list-wrap {
  background: var(--paper);
  border: 1px solid var(--rule);
  overflow-x: auto;
}

.user-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.user-table thead {
  background: var(--paper-deep);
  border-bottom: 2px solid var(--ink);
}
.user-table th {
  text-align: left;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
}
.user-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--rule-soft);
  vertical-align: middle;
}
.user-table tr:last-child td { border-bottom: none; }
.user-table tr:hover td { background: color-mix(in srgb, var(--paper-deep) 70%, transparent); }

.username-cell {
  font-weight: 500;
  font-size: 1rem;
}
.username-cell .me-tag {
  display: inline-block;
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  background: var(--accent);
  color: var(--paper);
  padding: 2px 6px;
}

.role-pill {
  display: inline-block;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--rule);
  background: var(--paper-deep);
  cursor: pointer;
  transition: all 0.15s;
}
.role-pill.admin {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.role-pill:hover { border-color: var(--accent); }

.mfa-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-muted);
}
.mfa-indicator.on { color: var(--ok); }
.mfa-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ink-muted);
}
.mfa-indicator.on .mfa-dot { background: var(--ok); box-shadow: 0 0 0 3px rgba(42, 102, 53, 0.18); }

.date-cell {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-muted);
}

.row-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.row-actions button {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 10px;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.15s;
}
.row-actions button:hover {
  border-color: var(--ink);
  color: var(--ink);
}
.row-actions button.danger:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.loading-row, .empty-row {
  text-align: center;
  padding: 40px;
  color: var(--ink-muted);
  font-style: italic;
}

/* File table specifics */
.filename-cell {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  word-break: break-all;
  max-width: 280px;
}
.folder-cell {
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.folder-cell.uncategorized { color: var(--ink-muted); font-style: italic; }

.status-pill {
  display: inline-block;
  padding: 2px 10px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid currentColor;
}
.status-pill.ready { color: var(--ok); }
.status-pill.indexing { color: var(--warn); }
.status-pill.failed { color: var(--accent); }

.size-cell, .num-cell {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-soft);
  text-align: right;
}

/* ============================================================
   PERMISSIONS TAB
   ============================================================ */
.view-switch {
  display: inline-flex;
  border: 1px solid var(--rule);
  background: var(--paper-deep);
}
.view-btn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: transparent;
  color: var(--ink-muted);
  border: none;
  padding: 7px 16px;
  cursor: pointer;
  transition: all 0.15s;
}
.view-btn:hover { color: var(--ink); }
.view-btn.active {
  background: var(--ink);
  color: var(--paper);
}

.perm-hint {
  font-size: 0.88rem;
  font-style: italic;
  color: var(--ink-muted);
  margin: 0 0 18px;
  padding: 12px 16px;
  background: var(--paper-deep);
  border-left: 3px solid var(--accent-soft);
  line-height: 1.5;
}

.perm-matrix-wrap {
  background: var(--paper);
  border: 1px solid var(--rule);
  overflow-x: auto;
  max-height: 70vh;
}

.perm-matrix {
  border-collapse: separate;
  border-spacing: 0;
  min-width: 100%;
}

.perm-matrix thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--paper-deep);
  border-bottom: 2px solid var(--ink);
}

.perm-matrix th.rowhead,
.perm-matrix td.rowhead {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--paper-deep);
  border-right: 1px solid var(--rule);
  min-width: 180px;
  max-width: 260px;
}
.perm-matrix thead th.rowhead {
  z-index: 3;  /* top-left corner sits above both sticky axes */
  background: var(--paper-deep);
}

.perm-matrix .col-header {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  white-space: nowrap;
  padding: 14px 8px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.92rem;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink);
  max-height: 220px;
  height: 220px;
  vertical-align: bottom;
}

.perm-matrix .rowlabel {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 10px 14px;
  color: var(--ink);
}
.perm-matrix .rowlabel .role-tag {
  display: inline-block;
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 2px 6px;
  background: var(--ink);
  color: var(--paper);
  vertical-align: middle;
}
.perm-matrix .rowlabel.admin-row {
  color: var(--ink-muted);
  font-style: italic;
}

.perm-matrix .cell {
  text-align: center;
  padding: 0;
  border-bottom: 1px solid var(--rule-soft);
  border-right: 1px solid var(--rule-soft);
  width: 52px;
  height: 44px;
}

.perm-matrix .cell label {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  cursor: pointer;
  transition: background 0.12s;
}
.perm-matrix .cell label:hover {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.perm-matrix .cell input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--accent);
}
.perm-matrix .cell input[type="checkbox"]:disabled {
  cursor: not-allowed;
}

.perm-matrix .cell.implicit {
  background: color-mix(in srgb, var(--ink) 6%, transparent);
}
.perm-matrix .cell.implicit::after {
  content: "✓";
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 1rem;
}

.perm-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--ink-muted);
  font-style: italic;
}

/* ============================================================
   MODAL
   ============================================================ */
.modal {
  position: fixed;
  inset: 0;
  background: var(--modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 200;
  animation: fadeIn 0.2s ease-out;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-card {
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 36px 36px 30px;
  max-width: 440px;
  width: 100%;
  box-shadow: 8px 8px 0 var(--accent);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-card.wide { max-width: 720px; }
.modal-card h2 {
  margin: 0 0 4px;
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.015em;
}
.modal-subtitle {
  margin: 0 0 24px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
  letter-spacing: 0.06em;
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 14px;
  background: none;
  border: none;
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  color: var(--ink-muted);
  transition: color 0.15s, transform 0.15s;
}
.modal-close:hover {
  color: var(--accent);
  transform: rotate(90deg);
}

/* ============================================================
   MFA PANEL
   ============================================================ */
.mfa-panel {
  padding: 20px;
  background: var(--paper-deep);
  border: 1px solid var(--rule);
  margin-bottom: 16px;
}
.mfa-status {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-soft);
}
.mfa-status.enabled { color: var(--ok); }
.mfa-status .badge {
  display: inline-block;
  padding: 3px 8px;
  letter-spacing: 0.1em;
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.65rem;
  margin-right: 8px;
}
.mfa-status.enabled .badge {
  background: var(--ok);
  color: var(--paper);
}
.mfa-status .badge.off {
  background: var(--ink-muted);
  color: var(--paper);
}

.mfa-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.mfa-actions button {
  font-family: var(--font-display);
  font-size: 0.92rem;
  padding: 8px 16px;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: all 0.15s;
}
.mfa-actions button.primary {
  background: var(--ink);
  color: var(--paper);
}
.mfa-actions button:hover {
  background: var(--accent);
  color: var(--paper);
  border-color: var(--accent);
}

.mfa-enroll {
  padding: 20px;
  background: var(--paper-deep);
  border: 1px solid var(--rule);
}

.enroll-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 28px;
  align-items: start;
}

.enroll-qr {
  background: white;
  padding: 10px;
  border: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
}
.enroll-qr img {
  width: 100%;
  height: auto;
  display: block;
}

.enroll-step {
  margin: 0 0 10px;
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

.secret-box {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  background: var(--ink);
  color: var(--highlight);
  padding: 10px 14px;
  margin: 0 0 16px;
  word-break: break-all;
  user-select: all;
}

.confirm-form { margin-top: 4px; }

@media (max-width: 600px) {
  .enroll-grid { grid-template-columns: 1fr; }
  .enroll-qr { max-width: 240px; margin: 0 auto; }
  .admin-main { padding: 20px; }
  .masthead { padding: 14px 20px; }
  .user-table th:nth-child(4),
  .user-table td:nth-child(4) { display: none; }
}

/* ============================================================
   TOAST
   ============================================================ */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--paper);
  padding: 12px 20px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  border-left: 3px solid var(--accent);
  z-index: 1000;
  animation: toastSlide 0.3s ease-out;
}
@keyframes toastSlide {
  from { opacity: 0; transform: translate(-50%, 20px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* Scrollbars */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--rule); border: 2px solid var(--paper); }
::-webkit-scrollbar-thumb:hover { background: var(--ink-muted); }