:root {
  --bg: #0d1017;
  --panel: #151a23;
  --panel-2: #1c222d;
  --border: #242b37;
  --fg: #e7eaf1;
  --muted: #8992a6;
  --accent: #7aa2ff;
  --ok: #3ccb7f;
  --warn: #ffb547;
  --bad: #ef6565;
  --code-bg: #0b0e14;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.45;
}
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--code-bg);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.88em;
  color: #c7d2e3;
  word-break: break-word;
}
code.wrap { white-space: pre-wrap; display: inline-block; max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  display: flex; align-items: center; gap: 1rem;
  padding: 0.8rem 1.4rem;
  border-bottom: 1px solid var(--border);
  background: rgba(10,12,18,0.7);
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(8px);
}
.brand {
  font-weight: 700; letter-spacing: 0.02em; font-size: 1.05rem;
  color: var(--fg);
}
.topbar-form { margin-left: auto; display: flex; gap: 0.5rem; }
.topbar-form input, .hero-form input {
  background: var(--panel);
  color: var(--fg);
  border: 1px solid var(--border);
  padding: 0.55rem 0.8rem;
  border-radius: 8px;
  min-width: 280px;
}
.topbar-form button, .hero-form button {
  background: var(--accent);
  color: #0a0f1e;
  border: 0;
  padding: 0.55rem 1rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
}

main { max-width: 1200px; margin: 0 auto; padding: 1.5rem; }

.hero { text-align: center; padding: 3rem 1rem 2rem; }
.hero h1 { font-size: 2.1rem; margin: 0 0 0.4rem; }
.hero .sub { color: var(--muted); margin-bottom: 1.6rem; }
.hero-form { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; margin-bottom: 1rem; }
.hero-form input { min-width: 340px; }
.hero-form .auth-fields { flex: 0 0 100%; display: flex; justify-content: center; margin: 0; }
.hero-form .auth-fields[open] { flex-direction: column; align-items: center; }
.examples { color: var(--muted); font-size: 0.9rem; }
.examples a { margin: 0 0.4rem; }

.capability-grid {
  margin-top: 2.2rem;
  display: grid; gap: 0.75rem;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}
.capability-grid > div {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  text-align: left;
}
.capability-grid strong { display: block; font-size: 0.95rem; }
.capability-grid span { color: var(--muted); font-size: 0.82rem; }

.summary { margin-bottom: 1.25rem; }
.summary h1 { margin: 0 0 0.75rem; font-size: 1.8rem; }
.summary-grid {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.chip {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  display: inline-flex; flex-direction: column; align-items: flex-start;
  min-width: 110px;
}
.chip span { color: var(--muted); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.04em; }
.chip strong { font-size: 0.95rem; }
.chip.ok strong { color: var(--ok); }
.chip.warn strong { color: var(--warn); }
.chip.bad strong { color: var(--bad); }
.chip.muted strong { color: var(--muted); }
.chip.info strong { color: var(--accent); }
.chip.score strong { color: var(--accent); }

.panels {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
}
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.2rem;
}
.panel h2 {
  margin: 0 0 0.8rem;
  font-size: 1rem;
  color: var(--accent);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.panel table { width: 100%; border-collapse: collapse; }
.panel th, .panel td {
  text-align: left; padding: 0.32rem 0.4rem; vertical-align: top;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}
.panel th {
  color: var(--muted); font-weight: 500; width: 42%;
}
.panel tr:first-child th, .panel tr:first-child td { border-top: 0; }

.tag {
  display: inline-block;
  background: var(--panel-2);
  border: 1px solid var(--border);
  padding: 1px 7px;
  margin: 2px 4px 2px 0;
  border-radius: 6px;
  font-size: 0.82em;
}
.tag-cloud { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.txt-row { margin-bottom: 4px; }

.favicon-row { display: flex; flex-wrap: wrap; gap: 1rem; }
.fav {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.6rem;
  text-align: center;
  width: 120px;
  margin: 0;
}
.fav img {
  width: 64px; height: 64px; object-fit: contain;
  background: #fff; border-radius: 6px;
}
.fav figcaption { color: var(--muted); font-size: 0.75rem; margin-top: 0.4rem; }

.pill-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.pill-list li {
  padding: 0.3rem 0.7rem; border-radius: 999px;
  border: 1px solid var(--border); font-size: 0.85rem;
}
.pill-list li.ok { color: var(--ok); border-color: rgba(60,203,127,0.4); }
.pill-list li.muted { color: var(--muted); }

.muted { color: var(--muted); font-size: 0.85rem; }
.warn { color: var(--warn); }

.error-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  max-width: 640px;
  margin: 3rem auto;
  text-align: center;
}
.error-panel h1 { margin-top: 0; }
.back-link { display: inline-block; margin-top: 1rem; }

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 2rem 1rem 3rem;
}
footer span { margin: 0 0.3rem; }

.site-nav { display: flex; gap: 1rem; margin-left: 1.2rem; }
.site-nav a { color: var(--muted); font-size: 0.92rem; }
.site-nav a:hover { color: var(--fg); text-decoration: none; }

.hdr-form-section { margin-bottom: 1.5rem; }
.hdr-form-section h1 { margin: 0 0 0.4rem; font-size: 1.6rem; }
.hdr-form-section .sub { color: var(--muted); margin: 0 0 1rem; }
.hdr-form textarea {
  width: 100%;
  background: var(--code-bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem;
  line-height: 1.4;
  resize: vertical;
  min-height: 240px;
}
.hdr-form-actions {
  display: flex; align-items: center; gap: 1rem; margin-top: 0.6rem;
}
.hdr-form button {
  background: var(--accent);
  color: #0a0f1e;
  border: 0;
  padding: 0.55rem 1.4rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
}

.panels.single { grid-template-columns: 1fr; }

.finding-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.4rem; }
.finding {
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 0.9rem;
}
.finding-ok { color: var(--ok); border-color: rgba(60,203,127,0.4); }
.finding-warn { color: var(--warn); border-color: rgba(255,181,71,0.4); }
.finding-bad { color: var(--bad); border-color: rgba(239,101,101,0.4); }

.auth-pass { color: var(--ok); }
.auth-fail, .auth-softfail { color: var(--bad); }
.auth-neutral, .auth-none, .auth-temperror, .auth-permerror, .auth-policy { color: var(--warn); }

.muted-details { margin-top: 0.8rem; }
.muted-details summary { color: var(--muted); cursor: pointer; font-size: 0.85rem; }
.muted-details pre {
  background: var(--code-bg);
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.82rem;
}

.hop-chain {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.6rem;
}
.hop {
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: 0.8rem;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
}
.hop-num {
  display: flex; align-items: center; justify-content: center;
  width: 2.2rem; height: 2.2rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 50%;
  font-weight: 600;
  color: var(--accent);
}
.hop-body { display: grid; gap: 0.3rem; }
.hop-line { display: flex; flex-wrap: wrap; gap: 0.4rem 0.7rem; align-items: baseline; }
.hop-meta, .hop-dns {
  display: flex; flex-wrap: wrap; gap: 0.4rem 0.9rem;
  color: var(--muted); font-size: 0.82rem;
}
.hop-delay { color: var(--accent); font-variant-numeric: tabular-nums; }
.hop-delay.warn { color: var(--warn); }

.all-headers th { width: 26%; word-break: break-word; }
.all-headers td code { display: block; }

.auth-fields {
  margin: 0.5rem 0;
  font-size: 0.95rem;
}
.auth-fields summary {
  cursor: pointer;
  user-select: none;
  color: var(--muted);
}
.auth-fields summary:hover {
  color: var(--fg);
}
.auth-fields[open] {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.6rem 0;
}
.auth-fields input {
  padding: 0.5rem 0.7rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--fg);
  font: inherit;
}
.auth-fields input:focus {
  outline: none;
  border-color: var(--accent);
}
.auth-tag {
  margin: 0.4rem 0 0.8rem 0;
  font-size: 0.92rem;
  color: var(--muted);
}
.auth-tag .auth-failed {
  color: var(--bad);
}
.auth-tag.auth-required {
  color: var(--warn);
}