:root {
  --font-ui: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  --font-display: "Inter", system-ui, sans-serif;
  --bg: #0f172a;
  --surface: #111827;
  --surface-2: #1f2937;
  --surface-3: #273449;
  --text: #f8fafc;
  --muted: #94a3b8;
  --muted-2: #64748b;
  --line: #334155;
  --line-strong: #475569;
  --accent: #6366f1;
  --accent-ink: #ffffff;
  --info: #22d3ee;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  --focus: 0 0 0 3px rgba(99, 102, 241, 0.55);
  color-scheme: dark;
}
[data-theme="light"] {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --surface-3: #e2e8f0;
  --text: #0f172a;
  --muted: #475569;
  --muted-2: #64748b;
  --line: #cbd5e1;
  --line-strong: #94a3b8;
  --accent: #4f46e5;
  --accent-ink: #ffffff;
  --info: #0891b2;
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
  --shadow: 0 10px 30px rgba(40, 32, 15, 0.12);
  color-scheme: light;
}
@media (prefers-color-scheme: light) {
  [data-theme="system"] {
    --bg: #f8fafc;
    --surface: #ffffff;
    --surface-2: #f1f5f9;
    --surface-3: #e2e8f0;
    --text: #0f172a;
    --muted: #475569;
    --muted-2: #64748b;
    --line: #cbd5e1;
    --line-strong: #94a3b8;
    --accent: #4f46e5;
    --accent-ink: #ffffff;
    --info: #0891b2;
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
    --shadow: 0 10px 30px rgba(40, 32, 15, 0.12);
    color-scheme: light;
  }
}
html { background: var(--bg); }
body {
  font-family: var(--font-ui) !important;
  background: var(--bg) !important;
  color: var(--text) !important;
  font-size: 15px;
  line-height: 1.5;
}
.font-display, .display {
  font-family: var(--font-display) !important;
  letter-spacing: 0.01em;
}
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 250px minmax(0, 1fr); }
.app-sidebar {
  background: var(--surface);
  border-right: 1px solid var(--line);
  padding: 20px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.app-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); margin-bottom: 24px; }
.app-brand__mark {
  width: 40px; height: 40px; display: grid; place-items: center;
  background: var(--accent); color: var(--accent-ink);
  border: 2px solid #000; border-radius: 8px;
  font-family: var(--font-display); font-size: 18px;
}
.app-brand__name { font-family: var(--font-display); font-size: 21px; line-height: 1; letter-spacing: 0.04em; }
.app-brand__sub { display: block; font-size: 10px; font-weight: 700; letter-spacing: 0.16em; color: var(--accent); margin-top: 3px; text-transform: uppercase; }
.app-nav { display: grid; gap: 3px; }
.app-nav a {
  display: flex; align-items: center; gap: 10px;
  min-height: 44px; padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--muted); text-decoration: none; font-weight: 600; font-size: 14px;
  border: 1px solid transparent;
}
.app-nav a:hover { color: var(--text); background: var(--surface-2); }
.app-nav a[aria-current="page"] { color: var(--accent); background: var(--surface-2); border-color: var(--line); }
.app-nav .nav-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted-2); flex: 0 0 auto; }
.app-nav a[aria-current="page"] .nav-dot { background: var(--accent); }
.app-sidebar__footer { margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted-2); font-size: 12px; display: grid; gap: 10px; }
.app-main { min-width: 0; }
.app-topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 24px; border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 20;
}
.app-content { padding: 24px; max-width: 1500px; margin: 0 auto; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }
.page-kicker { font-size: 11px; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin: 0 0 4px; }
.page-title { font-family: var(--font-display); font-size: clamp(30px, 4vw, 44px); line-height: 1; margin: 0; letter-spacing: 0.01em; }
.page-context { color: var(--muted); font-size: 14px; margin: 8px 0 0; max-width: 75ch; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  min-height: 44px; padding: 10px 14px;
  border-radius: var(--radius-sm); border: 1px solid var(--line-strong);
  background: var(--surface-2); color: var(--text);
  font: inherit; font-weight: 700; font-size: 13px; text-decoration: none; cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn--primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn--danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 50%, var(--line)); }
.btn--ghost { background: transparent; }
.btn--sm { min-height: 34px; padding: 6px 10px; font-size: 12px; }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible {
  outline: none; box-shadow: var(--focus);
}
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.panel__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.panel__title { font-size: 17px; font-weight: 800; margin: 0; }
.panel__body { padding: 16px; }
.grid { display: grid; gap: 16px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--overview { grid-template-columns: minmax(0, 1.55fr) minmax(320px, 1fr); }
.stack { display: grid; gap: 12px; align-content: start; }
.muted { color: var(--muted); }
.muted-2 { color: var(--muted-2); }
.small { font-size: 12px; }
.tiny { font-size: 11px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.status {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 8px; border-radius: 999px; border: 1px solid var(--line-strong);
  font-size: 11px; font-weight: 800; letter-spacing: 0.02em; text-transform: none;
}
.status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.status--success { color: var(--success); border-color: color-mix(in srgb, var(--success) 45%, var(--line)); }
.status--info { color: var(--info); border-color: color-mix(in srgb, var(--info) 45%, var(--line)); }
.status--warning { color: var(--warning); border-color: color-mix(in srgb, var(--warning) 45%, var(--line)); }
.status--danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, var(--line)); }
.status--neutral { color: var(--muted); }
.metric { display: grid; gap: 4px; }
.metric__label { font-size: 11px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-2); }
.metric__value { font-size: 28px; font-weight: 800; line-height: 1.1; }
.metric__note { font-size: 12px; color: var(--muted); }
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; text-align: left; }
table.data th, table.data td { padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.data th { font-size: 11px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted-2); font-weight: 800; background: var(--surface-2); position: sticky; top: 0; }
table.data tr:hover td { background: var(--surface-2); }
.field { display: grid; gap: 6px; }
.field label { font-size: 12px; font-weight: 800; color: var(--muted); }
.input, input[type="text"], input[type="search"], input[type="url"], input[type="datetime-local"], input[type="email"], select, textarea {
  width: 100%; min-height: 44px; padding: 10px 12px;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  font: inherit; font-size: 14px;
}
textarea { min-height: 110px; resize: vertical; }
.help { font-size: 12px; color: var(--muted-2); }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.tabs a { min-height: 42px; display: inline-flex; align-items: center; gap: 7px; padding: 8px 12px; color: var(--muted); text-decoration: none; font-weight: 700; font-size: 13px; border-bottom: 2px solid transparent; }
.tabs a[aria-current="page"] { color: var(--accent); border-color: var(--accent); }
.tabs .count { font-size: 11px; color: var(--muted-2); }
.alert { border: 1px solid var(--line-strong); border-left: 4px solid var(--warning); background: var(--surface-2); padding: 12px 14px; border-radius: var(--radius-sm); }
.alert--danger { border-left-color: var(--danger); }
.alert--info { border-left-color: var(--info); }
.alert--success { border-left-color: var(--success); }
.empty { padding: 36px 20px; text-align: center; color: var(--muted); }
.pagination { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 14px; }
.chart { width: 100%; height: 180px; display: block; }
.chart-wrap { overflow-x: auto; }
.thumb { width: 56px; height: 56px; border-radius: 6px; object-fit: cover; border: 1px solid var(--line); background: var(--surface-2); }
.thumb--wide { width: 84px; height: 56px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--accent); color: var(--accent-ink); padding: 10px 14px; border-radius: 6px; }
.skip-link:focus { left: 8px; }
.theme-toggle { min-height: 38px; padding: 6px 10px; font-size: 12px; }
@media (max-width: 1100px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--overview { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .app-sidebar { display: none; }
  .app-content { padding: 16px; }
  .app-topbar { padding: 10px 16px; }
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .grid--4 { grid-template-columns: 1fr; }
  .page-title { font-size: 32px; }
  .actions { width: 100%; }
  .actions .btn { flex: 1 1 auto; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
.filter-grid { display: grid; gap: 10px; grid-template-columns: 2fr repeat(3, minmax(140px, 1fr)); }
.comment-filter-grid { display: grid; gap: 10px; grid-template-columns: 2fr 1.4fr auto; align-items: end; }
.editor-grid { display: grid; gap: 16px; grid-template-columns: minmax(0, 1.35fr) minmax(320px, .9fr); }
.website-grid { display: grid; gap: 16px; grid-template-columns: minmax(0, 1.35fr) minmax(320px, 1fr); }
.post-view-grid { display: grid; gap: 16px; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); }
@media (max-width: 900px) {
  .filter-grid { grid-template-columns: 1fr 1fr; }
  .comment-filter-grid, .editor-grid, .website-grid, .post-view-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .filter-grid { grid-template-columns: 1fr; }
}