:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --panel-2: #f9fbff;
  --text: #141826;
  --muted: #6b7280;
  --line: #e7ecf3;
  --primary: #3257ff;
  --primary-2: #7b3ff2;
  --green: #12a150;
  --red: #dc2626;
  --amber: #b7791f;
  --shadow: 0 20px 60px rgba(20, 24, 38, 0.08);
  --radius: 20px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
button, input, select, textarea { font: inherit; }
button { border: 0; background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: white; border-radius: 12px; padding: 11px 16px; font-weight: 700; cursor: pointer; box-shadow: 0 10px 22px rgba(50, 87, 255, 0.18); }
button.secondary { background: #eef2ff; color: #2740b8; box-shadow: none; }
button.ghost { background: transparent; color: var(--muted); box-shadow: none; border: 1px solid var(--line); }
button.danger { background: #fff1f2; color: var(--red); box-shadow: none; }
button:disabled { opacity: .55; cursor: not-allowed; }
.hidden { display: none !important; }
.login-screen { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at 20% 10%, rgba(50, 87, 255, .18), transparent 30%), radial-gradient(circle at 80% 80%, rgba(123, 63, 242, .16), transparent 30%), var(--bg); }
.login-card { width: min(420px, 100%); background: rgba(255,255,255,.92); border: 1px solid var(--line); border-radius: 28px; padding: 32px; box-shadow: var(--shadow); display: grid; gap: 16px; backdrop-filter: blur(12px); }
.login-card h1 { margin: 0; font-size: 32px; }
.login-card p { margin: 0 0 8px; color: var(--muted); }
.login-card label, .modal label { display: grid; gap: 7px; color: var(--muted); font-weight: 700; font-size: 13px; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: 11px 12px; background: white; color: var(--text); outline: none; }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: rgba(50, 87, 255, .55); box-shadow: 0 0 0 4px rgba(50, 87, 255, .1); }
.error-text { color: var(--red); font-weight: 700; min-height: 20px; }
.brand-mark { width: 44px; height: 44px; border-radius: 15px; display: grid; place-items: center; color: white; font-weight: 900; background: linear-gradient(135deg, var(--primary), var(--primary-2)); box-shadow: 0 12px 24px rgba(50, 87, 255, .22); }
.app { min-height: 100vh; display: grid; grid-template-columns: 288px minmax(0, 1fr); }
.sidebar { position: sticky; top: 0; height: 100vh; background: rgba(255,255,255,.92); border-right: 1px solid var(--line); padding: 24px 18px; display: flex; flex-direction: column; gap: 24px; }
.side-brand { display: flex; align-items: center; gap: 12px; padding: 2px 8px; }
.side-brand strong { display: block; font-size: 18px; }
.side-brand span { color: var(--muted); font-size: 12px; }
nav { display: grid; gap: 8px; }
nav button { width: 100%; text-align: left; background: transparent; color: var(--muted); box-shadow: none; padding: 12px 14px; border-radius: 14px; }
nav button.active { background: linear-gradient(135deg, rgba(50,87,255,.12), rgba(123,63,242,.12)); color: #2137a1; }
.side-footer { margin-top: auto; display: grid; gap: 8px; }
.main { min-width: 0; padding: 28px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.eyebrow { margin: 0 0 3px; color: var(--primary); font-weight: 900; letter-spacing: .08em; text-transform: uppercase; font-size: 11px; }
h1, h2, h3 { letter-spacing: -0.03em; }
.topbar h1 { margin: 0; font-size: 34px; }
.top-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.file-label { display: inline-flex; align-items: center; border-radius: 12px; background: #eef2ff; color: #2740b8; padding: 11px 16px; font-weight: 800; cursor: pointer; }
.file-label input { display: none; }
.status-line { min-height: 24px; margin-bottom: 18px; color: var(--muted); font-size: 14px; }
.status-line strong { color: var(--text); }
.tab { display: none; }
.tab.active { display: block; }
.grid { display: grid; gap: 14px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.card.soft { background: var(--panel-2); box-shadow: none; }
.card h2, .card h3 { margin: 0 0 10px; }
.card p { color: var(--muted); }
.kpi { display: grid; gap: 8px; }
.kpi .label { color: var(--muted); font-size: 13px; font-weight: 800; }
.kpi .value { font-size: 31px; font-weight: 900; letter-spacing: -0.05em; }
.kpi .hint { color: var(--muted); font-size: 12px; }
.badge { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 5px 9px; font-size: 12px; font-weight: 900; background: #eef2ff; color: #2740b8; }
.badge.green { background: #e9fbf0; color: var(--green); }
.badge.amber { background: #fff7ed; color: var(--amber); }
.badge.red { background: #fff1f2; color: var(--red); }
.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 18px; background: white; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; background: #fbfcff; }
tr:last-child td { border-bottom: 0; }
.entity-title { font-weight: 900; }
.entity-sub { color: var(--muted); font-size: 12px; margin-top: 4px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 0 0 14px; }
.toolbar input, .toolbar select { max-width: 260px; }
.alert { border: 1px solid #dbe4ff; background: linear-gradient(135deg, #f4f7ff, #fff); border-radius: 18px; padding: 14px 16px; color: #35415f; }
.alert strong { color: #172554; }
.progress { height: 9px; background: #edf1f7; border-radius: 999px; overflow: hidden; }
.progress span { display: block; height: 100%; background: linear-gradient(135deg, var(--primary), var(--primary-2)); border-radius: 999px; min-width: 3px; }
.site-card { display: grid; gap: 12px; }
.site-card header { display: flex; justify-content: space-between; gap: 12px; align-items: start; }
.site-card h3 { margin: 0; }
.site-card .actions { display: flex; flex-wrap: wrap; gap: 8px; }
.modal { border: 0; border-radius: 26px; width: min(760px, calc(100vw - 32px)); padding: 0; box-shadow: 0 30px 90px rgba(10, 20, 40, .22); }
.modal::backdrop { background: rgba(15, 23, 42, .38); backdrop-filter: blur(4px); }
.modal form { padding: 24px; display: grid; gap: 16px; }
.modal h2 { margin: 0; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }
.split { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); gap: 16px; align-items: start; }
.mini-list { display: grid; gap: 10px; }
.mini-item { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.mini-item:last-child { border-bottom: 0; }
.mini-item strong { font-size: 14px; }
.mini-item span { color: var(--muted); font-size: 13px; }
.code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: #f6f8fb; border: 1px solid var(--line); border-radius: 12px; padding: 10px; overflow: auto; }
@media (max-width: 980px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  nav { grid-template-columns: repeat(3, 1fr); }
  .side-footer { grid-template-columns: repeat(3, 1fr); }
  .topbar { align-items: flex-start; flex-direction: column; }
  .grid.four, .grid.three, .split { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .main { padding: 18px; }
  nav, .side-footer, .grid.two { grid-template-columns: 1fr; }
  .topbar h1 { font-size: 28px; }
}

button.small, .small { padding: 4px 8px; font-size: 13px; line-height: 1; }
button.danger { background: rgba(239, 68, 68, 0.15); color: #fca5a5; border: 1px solid rgba(239, 68, 68, 0.35); }
button.danger:hover { background: rgba(239, 68, 68, 0.25); }
.row-actions { white-space: nowrap; }
.row-actions button { margin-left: 4px; }
label.full { grid-column: 1 / -1; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.toolbar input { flex: 1; min-width: 200px; }

.filter-bar { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 14px; padding: 10px 12px; background: rgba(255,255,255,0.02); border: 1px solid var(--line); border-radius: 8px; }
.filter-group { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.filter-label { color: var(--muted); font-size: 13px; margin-right: 4px; }
.chip { padding: 4px 10px; font-size: 13px; line-height: 1; background: transparent; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; cursor: pointer; }
.chip:hover { color: var(--text); border-color: var(--primary); }
.chip.active { background: var(--primary); color: #0a0a0a; border-color: var(--primary); }

.config-form { display: grid; gap: 12px; }
.config-form label { display: grid; gap: 4px; font-size: 14px; color: var(--muted); }
.config-form input { padding: 8px 10px; }

.spark { display: inline-block; vertical-align: middle; }
.spark-empty { color: var(--muted); font-size: 14px; }

.delta { display: inline-block; padding: 1px 6px; border-radius: 6px; font-size: 11px; font-weight: 700; margin-left: 6px; background: rgba(0,0,0,0.04); color: var(--muted); }
.delta.green { background: rgba(18, 161, 80, 0.15); color: var(--green); }
.delta.red { background: rgba(220, 38, 38, 0.12); color: var(--red); }

dialog.modal { max-width: 720px; width: calc(100% - 32px); }
dialog.modal textarea { width: 100%; min-height: 80px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 13px; line-height: 1.45; }
dialog.modal code { background: rgba(0,0,0,0.05); padding: 1px 5px; border-radius: 4px; font-size: 12px; }

.chip[disabled] { opacity: 0.4; cursor: not-allowed; }

/* Mobile responsive */
@media (max-width: 900px) {
  .grid.four { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .topbar { flex-wrap: wrap; gap: 12px; }
  .top-actions { flex-wrap: wrap; gap: 8px; }
}
@media (max-width: 640px) {
  .grid.four, .grid.three, .grid.two { grid-template-columns: 1fr; }
  .filter-bar { flex-direction: column; gap: 10px; align-items: flex-start; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar input { width: 100%; }
  .sidebar { position: relative; width: 100%; height: auto; }
  .app { grid-template-columns: 1fr; }
  nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
  .side-brand { justify-content: center; }
  .table-wrap { font-size: 13px; }
  .card { padding: 16px; }
  .modal-actions { flex-direction: column; }
  .modal-actions button { width: 100%; }
}
@media (max-width: 480px) {
  .topbar h1 { font-size: 22px; }
  .grid.four { grid-template-columns: 1fr; }
  .kpi .value { font-size: 24px; }
  .chip { padding: 3px 8px; font-size: 12px; }
}

/* Spacing utilities — used in place of inline `style="margin-..."` so the CSP
   policy can drop `'unsafe-inline'` on style-src. */
.mt-16 { margin-top: 16px; }
.mt-14 { margin-top: 14px; }
.mb-14 { margin-bottom: 14px; }
.is-hidden { display: none !important; }

/* SEO tab — alerts panel */
.alerts-list { display: grid; gap: 10px; }
.alerts-list .alert { display: flex; gap: 12px; align-items: flex-start; justify-content: space-between; padding: 12px 14px; }
.alerts-list .alert-body { flex: 1; }
.alert-red { border-color: #fecaca; background: linear-gradient(135deg, #fff5f5, #fff); color: #7f1d1d; }
.alert-red strong { color: #b91c1c; }
.alert-amber { border-color: #fed7aa; background: linear-gradient(135deg, #fffaf0, #fff); color: #78350f; }
.alert-amber strong { color: #b45309; }
.alert-green { border-color: #bbf7d0; background: linear-gradient(135deg, #f0fdf4, #fff); color: #065f46; }
.alert-green strong { color: #047857; }

.alert-actions { margin-top: 10px; }
.alert-actions summary { cursor: pointer; font-size: 13px; font-weight: 700; color: var(--primary); padding: 4px 0; user-select: none; }
.alert-actions summary:hover { text-decoration: underline; }
.alert-actions ol { margin: 8px 0 0 18px; padding: 0; font-size: 13px; line-height: 1.5; color: var(--text); }
.alert-actions li { margin-bottom: 6px; }