:root {
  color-scheme: light;
  --page:           #f4f4f2;
  --surface-1:      #ffffff;
  --surface-2:      #f7f7f5;
  --text-primary:   #14140f;
  --text-secondary: #4a4a44;
  --text-muted:     #7a7972;
  --gridline:       #e4e3dd;
  --border:         rgba(10,10,8,0.12);
  --status-good:       #0ca30c;
  --status-good-bg:    rgba(12,163,12,0.12);
  --status-warning:    #b5780a;
  --status-warning-bg: rgba(250,178,25,0.22);
  --status-critical:    #c0362e;
  --status-critical-bg: rgba(208,59,59,0.14);
  --accent:         #2a78d6;
  --accent-hover:   #1c5cab;
  --focus-ring:     rgba(42,120,214,0.35);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page:           #0d0d0c;
    --surface-1:      #1a1a19;
    --surface-2:      #212120;
    --text-primary:   #f5f5f2;
    --text-secondary: #c3c2b7;
    --text-muted:     #8f8e86;
    --gridline:       #2c2c2a;
    --border:         rgba(255,255,255,0.12);
    --status-good:       #35c235;
    --status-good-bg:    rgba(53,194,53,0.16);
    --status-warning:    #fab219;
    --status-warning-bg: rgba(250,178,25,0.18);
    --status-critical:    #e66767;
    --status-critical-bg: rgba(230,103,103,0.18);
    --accent:         #3987e5;
    --accent-hover:   #5a9dec;
    --focus-ring:     rgba(57,135,229,0.4);
  }
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--page);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.5;
}
a { color: var(--accent); }

.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border);
}
.nav-brand { display: flex; align-items: baseline; gap: 10px; }
.nav-title { font-size: 16px; font-weight: 700; letter-spacing: -0.01em; }
.nav-links { display: flex; gap: 8px; align-items: center; }
.nav-link { padding: 7px 14px; border-radius: 8px; font-size: 14px; font-weight: 600; color: var(--text-secondary); text-decoration: none; }
.nav-link:hover, .nav-link.active { background: var(--surface-2); color: var(--text-primary); }
.pill { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 999px; text-transform: uppercase; letter-spacing: 0.03em; }
.pill.on { background: var(--status-good-bg); color: var(--status-good); }
.pill.off { background: var(--status-warning-bg); color: var(--status-warning); }

.wrap { max-width: 1200px; margin: 0 auto; padding: 32px 28px 72px; }
.wrap.narrow { max-width: 720px; }

h1 { font-size: 24px; font-weight: 700; letter-spacing: -0.01em; margin: 0 0 6px; }
h2 { font-size: 16px; font-weight: 700; margin: 0 0 4px; }
.page-subtitle { color: var(--text-secondary); font-size: 14.5px; margin: 0 0 28px; }
.section-sub { font-size: 13.5px; color: var(--text-secondary); margin: 0 0 16px; }

.card { background: var(--surface-1); border: 1px solid var(--border); border-radius: 14px; padding: 22px 24px; margin-bottom: 22px; }
.card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 4px; flex-wrap: wrap; }

.field-group { margin-bottom: 16px; }
.field-group:last-child { margin-bottom: 0; }
label { display: block; font-size: 13px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.hint { font-size: 12.5px; color: var(--text-muted); margin-top: 5px; }
input[type="text"], input[type="password"], select {
  width: 100%; font-size: 14px; font-family: inherit; color: var(--text-primary);
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 9px; padding: 10px 12px;
}
input:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--focus-ring); }
.row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 220px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: none; border-radius: 9px; padding: 10px 18px; font-size: 14px; font-weight: 700; cursor: pointer; font-family: inherit; white-space: nowrap; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: transparent; color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--surface-2); }
.btn-ai { background: linear-gradient(135deg, #4a3aa7, #2a78d6); color: #fff; }
.btn-ai:hover { opacity: 0.92; }
.btn-ai.small { padding: 7px 12px; font-size: 12.5px; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

.alert { border-radius: 12px; padding: 14px 16px; margin-bottom: 22px; font-size: 14px; border-left: 4px solid; background: var(--surface-1); border: 1px solid var(--border); }
.alert-error { border-left-color: var(--status-critical); color: var(--status-critical); }
.alert-success { border-left-color: var(--status-good); color: var(--text-primary); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 22px; }
.stat-tile { background: var(--surface-1); border: 1px solid var(--border); border-radius: 14px; padding: 16px 20px; }
.stat-label { font-size: 12px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 8px; font-weight: 700; }
.stat-value { font-size: 28px; font-weight: 800; letter-spacing: -0.01em; }

.table-scroll { overflow-x: auto; border-radius: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; color: var(--text-muted); font-weight: 700; text-transform: uppercase; font-size: 10.5px; letter-spacing: 0.04em; padding: 9px 12px; border-bottom: 2px solid var(--gridline); white-space: nowrap; background: var(--surface-2); }
td { padding: 10px 12px; border-bottom: 1px solid var(--gridline); vertical-align: top; max-width: 360px; color: var(--text-primary); }
tr:hover td { background: var(--surface-2); }
td.wrap-cell { white-space: normal; word-break: break-word; color: var(--text-secondary); font-size: 12.5px; }
td.nowrap, th.nowrap { white-space: nowrap; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11.5px; }

.badge { display: inline-flex; align-items: center; gap: 5px; padding: 4px 10px; border-radius: 999px; font-size: 11px; font-weight: 700; white-space: nowrap; text-transform: capitalize; }
.badge.configured { background: var(--status-good-bg); color: var(--status-good); }
.badge.disabled { background: var(--status-critical-bg); color: var(--status-critical); }
.badge.absent { background: var(--status-warning-bg); color: var(--status-warning); }
.badge.unknown { background: var(--surface-2); color: var(--text-muted); border: 1px solid var(--border); }
.badge.good { background: var(--status-good-bg); color: var(--status-good); }
.badge.missing { background: var(--status-critical-bg); color: var(--status-critical); }
.badge.review { background: var(--status-warning-bg); color: var(--status-warning); }
.badge.not_applicable { background: var(--surface-2); color: var(--text-muted); border: 1px solid var(--border); }

.empty-state { color: var(--text-muted); font-size: 14px; padding: 28px 0; text-align: center; }
.lb-title { font-size: 15px; font-weight: 700; }
.lb-ns { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.lb-domains { font-size: 12px; color: var(--text-secondary); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; margin-top: 2px; }
.toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; flex-wrap: wrap; }
.ai-summary { font-size: 13.5px; color: var(--text-secondary); margin: 0 0 14px; padding: 10px 14px; background: var(--surface-2); border-radius: 10px; }

.barchart { display: flex; flex-direction: column; gap: 10px; }
.bar-row { display: grid; grid-template-columns: 240px 1fr 70px; align-items: center; gap: 14px; }
.bar-label { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.bar-track { background: var(--surface-2); border-radius: 999px; height: 14px; overflow: hidden; border: 1px solid var(--border); }
.bar-fill { height: 100%; border-radius: 999px; min-width: 3px; }
.bar-fill.status-good { background: var(--status-good); }
.bar-fill.status-warning { background: var(--status-warning); }
.bar-fill.status-critical { background: var(--status-critical); }
.bar-value { font-size: 12.5px; font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
@media (max-width: 680px) {
  .bar-row { grid-template-columns: 1fr; gap: 4px; }
  .bar-value { text-align: left; }
}

.loading-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(10,10,8,0.45);
  display: none;
  align-items: center; justify-content: center;
}
.loading-overlay.active { display: flex; }
.loading-box {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: 14px;
  padding: 28px 36px; display: flex; flex-direction: column; align-items: center; gap: 14px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.25);
}
.spinner {
  width: 32px; height: 32px; border-radius: 50%;
  border: 3px solid var(--border); border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { font-size: 14px; font-weight: 600; color: var(--text-primary); }