/* ═══════════════════════════════════════════════════════════════════
   Prep Design System — prep.aspirantsbd.com
   Content management for sddb schema
   ═══════════════════════════════════════════════════════════════════ */

/* ── Variables ───────────────────────────────────────────────────── */
:root {
  --bg: #f8f9fb;
  --surface: #ffffff;
  --surface-hover: #f1f3f7;
  --border: #e2e5ea;
  --border-light: #f0f1f4;
  --text: #1a1a2e;
  --text-secondary: #5a5a7a;
  --text-muted: #9197a6;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-ring: rgba(37, 99, 235, 0.25);
  --success: #16a34a;
  --success-light: #f0fdf4;
  --error: #dc2626;
  --error-light: #fef2f2;
  --warning: #d97706;
  --warning-light: #fffbeb;
  --info: #0891b2;
  --info-light: #ecfeff;
  --radius: 8px;
  --radius-sm: 4px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.1);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.12);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
  --sidebar-w: 240px;
  --header-h: 56px;
  --transition: 150ms ease;
}

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

html { font-size: 14px; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

/* ── Layout ──────────────────────────────────────────────────────── */
.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 40;
  overflow-y: auto;
  transition: transform var(--transition);
}

.sidebar-brand {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  white-space: nowrap;
}

.sidebar-brand span { color: var(--primary); }

.nav-group { padding: 12px 0 4px; }

.nav-group-label {
  padding: 0 20px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 20px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: all var(--transition);
  cursor: pointer;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: var(--surface-hover);
  color: var(--text);
  text-decoration: none;
}

.nav-item.active {
  color: var(--primary);
  background: var(--primary-light);
  border-left-color: var(--primary);
  font-weight: 600;
}

.nav-item .nav-icon { font-size: 1rem; width: 20px; text-align: center; flex-shrink: 0; }
.nav-item .nav-count {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg);
  padding: 1px 6px;
  border-radius: 10px;
  font-weight: 500;
}

.main {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Header ──────────────────────────────────────────────────────── */
.header {
  height: var(--header-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 30;
  gap: 16px;
}

.header-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-spacer { flex: 1; }

.header-user {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.header-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--text);
  font-size: 1.4rem;
}

/* ── Content ─────────────────────────────────────────────────────── */
.content {
  flex: 1;
  padding: 24px;
  max-width: 1400px;
  width: 100%;
}

/* ── Auth Gate ───────────────────────────────────────────────────── */
.auth-gate {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.auth-gate.hidden { display: none; }

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  max-width: 400px;
  width: 90%;
}

.auth-card h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.auth-card p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 0.9rem;
}

.auth-error {
  color: var(--error);
  font-size: 0.85rem;
  margin-top: 12px;
  min-height: 20px;
}

.google-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text);
}

.google-btn:hover {
  background: var(--surface-hover);
  box-shadow: var(--shadow-md);
}

.google-btn svg { width: 18px; height: 18px; }

/* ── Cards ───────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card-body { padding: 20px; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition);
}

.stat-card:hover { box-shadow: var(--shadow-md); }

.stat-card .stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 4px;
}

.stat-card .stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
}

.stat-card .stat-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ── Dashboard Nav Links ─────────────────────────────────────────── */
.dash-group { margin-bottom: 24px; }
.dash-group h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 10px;
  font-weight: 600;
}

.dash-links {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
}

.dash-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.9rem;
  transition: all var(--transition);
}

.dash-link:hover {
  border-color: var(--primary);
  color: var(--primary);
  text-decoration: none;
  box-shadow: var(--shadow);
}

.dash-link .dl-icon { font-size: 1.1rem; }
.dash-link .dl-count {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
}

/* ── Tables ──────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

thead th {
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  position: sticky;
  top: 0;
  z-index: 1;
}

thead th:hover { color: var(--text); }

thead th .sort-arrow {
  display: inline-block;
  margin-left: 4px;
  opacity: 0.3;
  font-size: 0.7rem;
}

thead th .sort-arrow.active { opacity: 1; color: var(--primary); }

tbody tr {
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition);
  cursor: pointer;
}

tbody tr:hover { background: var(--surface-hover); }
tbody tr.selected { background: var(--primary-light); }

tbody td {
  padding: 8px 12px;
  vertical-align: middle;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

td.cell-wrap {
  white-space: normal;
  word-break: break-word;
}

td.cell-num { font-family: var(--mono); font-size: 0.8rem; text-align: right; }
td.cell-mono { font-family: var(--mono); font-size: 0.8rem; }

/* ── Toolbar ─────────────────────────────────────────────────────── */
.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.toolbar h2 {
  font-size: 1.2rem;
  font-weight: 700;
  white-space: nowrap;
}

.toolbar .search-box { flex: 1; min-width: 200px; max-width: 400px; }

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

/* ── Filter Bar ──────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.filter-bar label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.filter-bar .filter-clear {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px 8px;
}

.filter-bar .filter-clear:hover { color: var(--error); }

/* ── Pagination ──────────────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.pagination-info { white-space: nowrap; }

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.page-btn {
  padding: 4px 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.8rem;
  transition: all var(--transition);
  color: var(--text);
}

.page-btn:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}

.page-btn:disabled { opacity: 0.4; cursor: default; }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── Buttons ─────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  font-family: var(--font);
}

.btn-sm { padding: 5px 12px; font-size: 0.8rem; }
.btn-xs { padding: 3px 8px; font-size: 0.75rem; }

.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); }

.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--surface-hover); }

.btn-danger { background: var(--error); color: #fff; border-color: var(--error); }
.btn-danger:hover { background: #b91c1c; }

.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--surface-hover); color: var(--text); }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Inputs ──────────────────────────────────────────────────────── */
.input, select, textarea {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-family: var(--font);
  background: var(--surface);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

.input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-ring);
}

.input-sm { padding: 5px 10px; font-size: 0.8rem; }

select { cursor: pointer; appearance: auto; }

textarea { resize: vertical; min-height: 80px; }

.checkbox-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-wrap input[type="checkbox"] { width: 16px; height: 16px; cursor: pointer; }

/* ── Forms ───────────────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-field { display: flex; flex-direction: column; gap: 4px; }
.form-field.full-width { grid-column: 1 / -1; }

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.form-error {
  font-size: 0.75rem;
  color: var(--error);
}

.form-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ── Modals ──────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  z-index: 50;
  padding: 48px 16px;
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-overlay.open { opacity: 1; pointer-events: auto; }

.modal {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 720px;
  transform: translateY(-10px);
  transition: transform var(--transition);
}

.modal-overlay.open .modal { transform: translateY(0); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 { font-size: 1.1rem; font-weight: 600; }

.modal-close {
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
  line-height: 1;
}

.modal-close:hover { color: var(--text); }

.modal-body { padding: 24px; max-height: 65vh; overflow-y: auto; }

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ── Toasts ──────────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  font-size: 0.85rem;
  animation: toast-in 0.25s ease;
  max-width: 400px;
}

.toast.toast-success { border-left: 3px solid var(--success); }
.toast.toast-error { border-left: 3px solid var(--error); }
.toast.toast-warning { border-left: 3px solid var(--warning); }
.toast.toast-info { border-left: 3px solid var(--info); }

.toast-dismiss {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  margin-left: auto;
  padding: 2px;
  font-size: 1rem;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ── Badges ──────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.badge-success { background: var(--success-light); color: var(--success); }
.badge-error { background: var(--error-light); color: var(--error); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-info { background: var(--info-light); color: var(--info); }
.badge-muted { background: var(--bg); color: var(--text-muted); }

/* ── Tree View ───────────────────────────────────────────────────── */
.tree-row { display: flex; align-items: center; gap: 4px; }
.tree-indent { display: inline-block; width: 20px; flex-shrink: 0; }
.tree-toggle {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  background: none;
  color: var(--text-muted);
  font-size: 0.7rem;
  flex-shrink: 0;
  transition: transform var(--transition);
}
.tree-toggle.expanded { transform: rotate(90deg); }
.tree-toggle.leaf { visibility: hidden; }

/* ── JSONB Editor ────────────────────────────────────────────────── */
.jsonb-editor {
  font-family: var(--mono);
  font-size: 0.8rem;
  min-height: 120px;
  tab-size: 2;
}

.jsonb-status {
  font-size: 0.75rem;
  margin-top: 2px;
}

.jsonb-status.valid { color: var(--success); }
.jsonb-status.invalid { color: var(--error); }

/* ── MCQ Options Editor ──────────────────────────────────────────── */
.options-editor { display: flex; flex-direction: column; gap: 8px; }
.option-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.option-label {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.8rem;
  flex-shrink: 0;
}
.option-label.correct { background: var(--success-light); border-color: var(--success); color: var(--success); }
.option-input { flex: 1; }
.option-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px;
}
.option-remove:hover { color: var(--error); }

/* ── Empty State ─────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: 12px; }
.empty-state p { font-size: 0.9rem; }

/* ── Loading ─────────────────────────────────────────────────────── */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  color: var(--text-muted);
  gap: 8px;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Skeleton ────────────────────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--bg) 25%, var(--border-light) 50%, var(--bg) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
  height: 16px;
}

@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ── Confirm Dialog ──────────────────────────────────────────────── */
.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 55;
}

.confirm-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  max-width: 400px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.confirm-card p { margin-bottom: 20px; color: var(--text-secondary); }

.confirm-actions { display: flex; gap: 8px; justify-content: center; }

/* ── Nav Backdrop (mobile) ───────────────────────────────────────── */
.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 35;
}

.nav-backdrop.open { display: block; }

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open { transform: translateX(0); }

  .nav-backdrop.open { display: block; }

  .main { margin-left: 0; }

  .hamburger { display: block; }

  .content { padding: 16px; }

  .form-grid { grid-template-columns: 1fr; }

  .stat-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }

  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar .search-box { max-width: none; }
  .toolbar-right { justify-content: flex-end; }

  .modal { max-width: 95%; }
  .modal-body { max-height: 70vh; }

  .pagination { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .dash-links { grid-template-columns: 1fr; }
}

/* ── Detail View ─────────────────────────────────────────────────── */
.detail-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.detail-header h2 { font-size: 1.2rem; font-weight: 700; }

.detail-back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.detail-back:hover { color: var(--primary); }

.detail-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.detail-meta span { white-space: nowrap; }

/* ── Activity List ───────────────────────────────────────────────── */
.activity-list { list-style: none; }

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.85rem;
}

.activity-item:last-child { border-bottom: none; }

.activity-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
  background: var(--bg);
}

.activity-text { flex: 1; }
.activity-text .activity-title { font-weight: 500; color: var(--text); }
.activity-text .activity-time { color: var(--text-muted); font-size: 0.75rem; }

/* ── Utility ─────────────────────────────────────────────────────── */
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.8rem; }
.text-mono { font-family: var(--mono); }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.gap-2 { gap: 8px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.hidden { display: none !important; }