/* Domain-Check – mobile first, schlicht */

:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1b1e23;
  --muted: #667085;
  --border: #e4e7ec;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --ok: #16794c;
  --warn: #b45309;
  --err: #b42318;
  --err-bg: #fef3f2;
  --code-bg: #f2f4f7;
  --accent2: #7c3aed;
  --grad: linear-gradient(135deg, var(--accent), var(--accent2));
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 10px 28px rgba(16, 24, 40, 0.08);
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --radius: 14px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* Dark: Systemeinstellung (solange kein manuelles Light erzwungen ist) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #101319;
    --card: #181c24;
    --text: #e6e8ec;
    --muted: #98a2b3;
    --border: #262c38;
    --accent: #3b82f6;
    --ok: #3fbf83;
    --warn: #f0a44c;
    --err: #f97066;
    --err-bg: #2a1715;
    --code-bg: #10141b;
    --accent2: #a78bfa;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 30px rgba(0, 0, 0, 0.38);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  }
}

/* Dark: manuell erzwungen */
:root[data-theme="dark"] {
  --bg: #101319;
  --card: #181c24;
  --text: #e6e8ec;
  --muted: #98a2b3;
  --border: #262c38;
  --accent: #3b82f6;
  --ok: #3fbf83;
  --warn: #f0a44c;
  --err: #f97066;
  --err-bg: #2a1715;
  --code-bg: #10141b;
  --accent2: #a78bfa;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 30px rgba(0, 0, 0, 0.38);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
.site-header {
  padding: 20px 0 4px;
}
.site-header .wrap {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}
.logo .logo-mark {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}
.tagline {
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}
.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}
.theme-toggle,
.coffee {
  padding: 4px 10px;
  font-size: 0.95rem;
  line-height: 1.4;
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
}
.coffee:hover,
.theme-toggle:hover { border-color: var(--accent); }

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin: 16px 0;
  box-shadow: var(--shadow-sm);
}
.card h2 {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 650;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Reiter-Panels: nur das aktive ist sichtbar */
.panel { display: none; }
.panel.active { display: block; }
.panel h2 { margin-top: 0; }
.card h3 {
  margin: 14px 0 6px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.card h3:first-child { margin-top: 0; }

/* Hero-Startbereich */
.hero {
  text-align: center;
  padding: 28px 0 8px;
}
.hero-title {
  font-size: 2.2rem;
  line-height: 1.1;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  color: var(--muted);
  margin: 0 auto 20px;
  max-width: 42ch;
}
.examples {
  justify-content: center;
  align-items: center;
  margin-top: 10px;
}
.examples .ex-label { color: var(--muted); font-size: 0.8rem; margin-right: 2px; }

/* kompakter Hero, sobald Ergebnisse da sind */
body.has-results .hero { padding: 16px 0 4px; }
body.has-results .hero-title { font-size: 1.4rem; margin-bottom: 4px; }
body.has-results .hero-sub,
body.has-results #examples { display: none; }

/* Suche */
.search {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 560px;
  margin: 0 auto;
}
.search input {
  flex: 1;
  min-width: 0;
  padding: 14px 16px;
  font: inherit;
  font-size: 1.05rem;
  font-family: var(--mono);
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
}
.search input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-color: transparent;
}
.search button {
  padding: 14px 26px;
  font: inherit;
  font-weight: 700;
  color: #fff;
  background: var(--grad);
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: var(--shadow);
}
.search button:hover { filter: brightness(1.06); }
.search button:active { transform: translateY(1px); }
.search button:disabled { opacity: 0.6; cursor: wait; }

@media (min-width: 480px) {
  .search { flex-direction: row; }
}

/* Chips (Verlauf, Subdomains) */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0;
}
.chip {
  padding: 4px 12px;
  font-size: 0.8rem;
  font-family: var(--mono);
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }

/* Buttons */
.btn-secondary {
  padding: 8px 14px;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-secondary:disabled { opacity: 0.6; cursor: wait; }

/* Fehler */
.error {
  background: var(--err-bg);
  color: var(--err);
  border: 1px solid var(--err);
  border-radius: 8px;
  padding: 10px 14px;
}

.note { color: var(--muted); font-size: 0.8rem; margin: -6px 0 10px; }

/* Key/Value-Liste */
.kv {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px 16px;
}
.kv dt {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 10px;
}
.kv dd {
  margin: 0;
  overflow-wrap: anywhere;
}
@media (min-width: 560px) {
  .kv { grid-template-columns: 160px 1fr; align-items: baseline; }
  .kv dt { margin-top: 0; padding: 4px 0; }
  .kv dd { padding: 4px 0; }
}

/* DNS-Tabellen */
.rr-group { margin-bottom: 14px; }
.rr-group:last-child { margin-bottom: 0; }
.rr-table-wrap { overflow-x: auto; }
.rr-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 0.82rem;
}
.rr-table th {
  text-align: left;
  font-weight: 600;
  color: var(--muted);
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.rr-table td {
  padding: 6px 10px;
  border-top: 1px solid var(--border);
  vertical-align: top;
  white-space: nowrap;
}
.rr-table td.rr-data { white-space: pre-wrap; overflow-wrap: anywhere; }
.rr-table tr:first-child td { border-top: 0; }
.rr-table thead + tbody tr:first-child td { border-top: 0; }
.rr-ttl { color: var(--muted); }

/* Abweichende Zellen (Propagation) */
td.diff { color: var(--warn); font-weight: 600; }

/* Klickbare Zeilen (Bulk) */
tr.row-link { cursor: pointer; }
tr.row-link:hover td { color: var(--accent); }

/* Badges */
.badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--border);
  margin: 2px 4px 2px 0;
}
.badge.ok   { color: var(--ok);   border-color: currentColor; }
.badge.warn { color: var(--warn); border-color: currentColor; }
.badge.err  { color: var(--err);  border-color: currentColor; }

/* SPF-Baum */
.spf-tree {
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.7;
  overflow-x: auto;
}
.spf-tree .spf-line { white-space: nowrap; }
.spf-tree .spf-note { color: var(--muted); }
.spf-tree .spf-warn { color: var(--warn); }
.spf-tree .spf-err  { color: var(--err); }

/* Redirect-Kette */
.hops {
  margin: 0 0 8px;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.8rem;
}
.hops li {
  padding: 4px 0;
  border-top: 1px solid var(--border);
  overflow-wrap: anywhere;
}
.hops li:first-child { border-top: 0; }
.hop-status {
  display: inline-block;
  min-width: 3ch;
  font-weight: 700;
  margin-right: 8px;
}
.hop-status.ok { color: var(--ok); }
.hop-status.redir { color: var(--muted); }
.hop-status.err { color: var(--err); }

/* Rohdaten */
.raw {
  margin: 0;
  padding: 12px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.5;
  overflow-x: auto;
  max-height: 480px;
}
.rec {
  font-family: var(--mono);
  font-size: 0.78rem;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  overflow-wrap: anywhere;
  margin: 4px 0 8px;
}
details summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.85rem;
  margin: 10px 0 8px;
}

.empty { color: var(--muted); font-size: 0.9rem; }

/* Spinner */
.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex: none;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Footer */
.site-footer {
  padding: 8px 16px 32px;
  color: var(--muted);
  font-size: 0.78rem;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Reiterleiste (sticky) */
.tabbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding: 8px 0;
  margin: 8px 0 12px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.tabbar button {
  flex: none;
  padding: 7px 14px;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 6px 6px 0 0;
  cursor: pointer;
  white-space: nowrap;
}
.tabbar button:hover { color: var(--text); background: var(--card); }
.tabbar button.active {
  color: var(--accent);
  border-image: var(--grad) 1;
  border-bottom: 2px solid var(--accent);
}
.tabbar button .tab-ico { margin-right: 5px; }

.toolbar {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 -6px;
}

/* Dashboard (Score + Ampel) */
.dashboard { padding: 18px; box-shadow: var(--shadow); }
.dash-top {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.dash-domain {
  font-size: 1.25rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}
/* animierter Score-Ring */
.ring { flex: none; }
.ring-bg { fill: none; stroke: var(--border); stroke-width: 7; }
.ring-fg {
  fill: none;
  stroke-width: 7;
  stroke-linecap: round;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
  stroke-dasharray: var(--dash);
  stroke-dashoffset: var(--off);
  animation: ring-fill 0.9s ease forwards;
}
.ring-fg.ok   { stroke: var(--ok); }
.ring-fg.warn { stroke: var(--warn); }
.ring-fg.err  { stroke: var(--err); }
.ring-num {
  fill: var(--text);
  font-size: 26px;
  font-weight: 800;
  text-anchor: middle;
  dominant-baseline: central;
}
@keyframes ring-fill { from { stroke-dashoffset: var(--dash); } to { stroke-dashoffset: var(--off); } }

.score-body { flex: 1; min-width: 200px; }
.score-body .score-head { font-weight: 650; margin: 0 0 6px; }
.score-body .score-head .pct { color: var(--muted); font-weight: 500; }
.dash-status { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 4px; }

/* Zertifikatskette */
ol.chain { margin: 0 0 8px; padding-left: 20px; font-size: 0.9rem; }
ol.chain li { margin: 6px 0; }

/* SMTP-Boxen */
.mxbox {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  margin: 8px 0;
  background: var(--bg);
}
.mxbox .mxhead { margin-bottom: 6px; }
.mxbox p { margin: 4px 0; }

/* Skeleton-Loader */
.skeleton {
  display: block;
  border-radius: 8px;
  background: linear-gradient(90deg, var(--border) 25%, var(--code-bg) 37%, var(--border) 63%);
  background-size: 300% 100%;
  animation: shimmer 1.3s ease-in-out infinite;
}
.skeleton-lines { height: 52px; width: 100%; }
.skeleton-badges { height: 24px; width: 60%; }
@keyframes shimmer { from { background-position: 150% 0; } to { background-position: -150% 0; } }

/* Panel-Fade beim Tab-Wechsel */
.panel.active { animation: panel-in 0.2s ease; }
@keyframes panel-in { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* Fokus */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  .ring-fg { animation: none; }
  .skeleton { animation: none; }
  .panel.active { animation: none; }
  * { scroll-behavior: auto !important; }
}

/* Druck-Kopf (nur im Druck sichtbar) */
.report-head { display: none; }

/* Legal-Seiten (Impressum/Datenschutz) */
.legal h1 { font-size: 1.4rem; margin: 0 0 16px; }
.legal h2 { font-size: 1.05rem; margin: 22px 0 6px; }
.legal h3 { font-size: 0.95rem; margin: 16px 0 4px; color: var(--text); text-transform: none; letter-spacing: 0; }
.legal p, .legal li { color: var(--text); }
.legal p { margin: 0 0 10px; }
.legal ul { margin: 0 0 12px; padding-left: 20px; }
.legal li { margin: 3px 0; }
.legal a { color: var(--accent); }

/* Footer */
.footer-links { margin-top: 6px; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--accent); }
.coffee-link { white-space: nowrap; }

/* Desktop: mehr Platz, einspaltig (kein Masonry – Reiter statt Sprung-Nav) */
@media (min-width: 1000px) {
  .wrap { max-width: 1000px; }
  #lookup-form,
  #history,
  #error,
  #bulk-card {
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* Druckansicht / PDF */
@media print {
  .site-header,
  .hero,
  .tabbar,
  .toolbar,
  #history,
  #lookup-form,
  #error,
  .site-footer,
  #subs-btn,
  .skeleton { display: none !important; }

  .report-head {
    display: block !important;
    margin: 0 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid #000;
  }
  .report-head h1 { font-size: 1.3rem; margin: 0 0 2px; }
  .report-head .meta { color: #444; font-size: 0.85rem; }

  body { background: #fff; color: #000; }
  /* alle Sektionen zeigen, egal welcher Reiter aktiv ist */
  .panels .panel { display: block !important; }
  .card, .panel {
    border: 1px solid #bbb;
    background: #fff;
    break-inside: avoid;
    box-shadow: none;
  }
  .spinner { display: none !important; }
  .badge { border-color: #999 !important; }
  a { color: #000; text-decoration: none; }
  .raw { max-height: none; }
}