:root {
  color-scheme: dark;
  --ink: #f4f7f6;
  --muted: #96a5a2;
  --dim: #667572;
  --page: #030709;
  --surface: #071014;
  --surface-2: #0a1519;
  --line: #1b2b2e;
  --line-strong: #31464a;
  --lime: #78ff42;
  --cyan: #48e8d2;
  --amber: #ffbd52;
  --red: #ff6d72;
  --radius: 14px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--page);
  color: var(--ink);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: radial-gradient(circle at 77% 8%, rgba(72,232,210,.075), transparent 26rem), var(--page); }
a { color: inherit; }
button, input { font: inherit; }
button { cursor: pointer; }

.site-header {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
  background: rgba(3,7,9,.9);
  backdrop-filter: blur(16px);
}

.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: linear-gradient(145deg, var(--lime), var(--cyan)); color: #04100d; font-size: 1.4rem; font-weight: 900; box-shadow: 0 0 30px rgba(120,255,66,.16); }
.brand > span:last-child { display: grid; line-height: 1; }
.brand strong { letter-spacing: .04em; font-size: 1rem; }
.brand small { margin-top: 5px; color: var(--cyan); font-size: .68rem; letter-spacing: .15em; font-weight: 800; }
nav { display: flex; align-items: center; gap: 28px; }
nav a { color: var(--muted); text-decoration: none; font-size: .9rem; font-weight: 650; }
nav a:hover, nav a:focus-visible { color: var(--ink); }
.back-link { padding: 10px 14px; border: 1px solid var(--line-strong); border-radius: 10px; }

main { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.workspace { padding: clamp(54px, 8vw, 92px) 0 64px; }
.workspace-intro { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(260px, .7fr); gap: 48px; align-items: end; }
.eyebrow, .section-kicker { margin: 0 0 16px; color: var(--lime); font-size: .74rem; font-weight: 850; letter-spacing: .15em; }
.pulse { display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 5px rgba(120,255,66,.09); }
h1 { max-width: 820px; margin: 0; font-size: clamp(2.5rem, 5.4vw, 5.2rem); line-height: .98; letter-spacing: -.055em; }
.intro-copy { max-width: 420px; margin: 0 0 6px; color: var(--muted); line-height: 1.7; font-size: 1rem; }

.query-panel { margin-top: 48px; padding: clamp(20px, 3vw, 34px); display: grid; grid-template-columns: minmax(280px, 1fr) minmax(380px, 1.55fr) auto; gap: 28px; align-items: end; border: 1px solid var(--line-strong); border-radius: var(--radius); background: linear-gradient(120deg, rgba(10,21,25,.98), rgba(6,15,18,.98)); box-shadow: 0 28px 70px rgba(0,0,0,.28); }
label, .field-label { display: block; margin-bottom: 9px; color: #c7d1cf; font-size: .79rem; font-weight: 750; letter-spacing: .04em; }
.domain-input-wrap { height: 52px; display: flex; align-items: center; border: 1px solid var(--line-strong); border-radius: 10px; background: #03090b; transition: border-color .2s, box-shadow .2s; overflow: hidden; }
.domain-input-wrap:focus-within { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(72,232,210,.1); }
.domain-input-wrap span { padding-left: 15px; color: var(--dim); font-size: .95rem; }
.domain-input-wrap input { width: 100%; height: 100%; padding: 0 15px 0 2px; border: 0; outline: 0; color: var(--ink); background: transparent; font-size: 1rem; }
.field-help, .field-error { min-height: 18px; margin: 7px 0 0; color: var(--dim); font-size: .75rem; }
.field-error { color: var(--red); }
.field-error:empty { display: none; }
.record-picker { display: flex; flex-wrap: wrap; gap: 8px; }
.record-picker label { margin: 0; }
.record-picker input { position: absolute; opacity: 0; pointer-events: none; }
.record-picker span { display: block; padding: 8px 11px; border: 1px solid var(--line); border-radius: 8px; color: var(--muted); background: #060d10; font-size: .78rem; transition: .16s ease; }
.record-picker input:checked + span { color: #05100e; border-color: var(--cyan); background: var(--cyan); font-weight: 850; }
.record-picker input:focus-visible + span { outline: 2px solid var(--ink); outline-offset: 2px; }
.run-button { height: 52px; min-width: 150px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 0 18px; border: 0; border-radius: 10px; color: #04100c; background: var(--lime); font-weight: 850; box-shadow: 0 0 28px rgba(120,255,66,.14); }
.run-button:hover { filter: brightness(1.08); transform: translateY(-1px); }
.run-button:disabled { cursor: wait; opacity: .65; transform: none; }

.status-bar { display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 10px 2px; color: var(--muted); font-size: .82rem; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); }
.status-bar.loading .status-dot { animation: blink 1s infinite; }
.status-bar.error .status-dot { background: var(--red); }
.resolver-label { margin-left: auto; color: var(--dim); }

.results { margin-top: 22px; padding: clamp(20px, 3vw, 34px); border: 1px solid var(--line); border-radius: var(--radius); background: rgba(7,16,20,.78); }
.results-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
h2 { margin: 0; font-size: clamp(1.7rem, 3vw, 2.5rem); letter-spacing: -.035em; }
.summary-chips { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.chip { padding: 7px 10px; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--muted); font-size: .75rem; }
.chip.good { color: var(--lime); border-color: rgba(120,255,66,.35); }
.findings { display: grid; gap: 10px; margin: 22px 0; }
.finding { display: grid; grid-template-columns: 22px 1fr; gap: 10px; padding: 13px 14px; border: 1px solid var(--line); border-radius: 10px; color: var(--muted); background: rgba(3,9,11,.5); font-size: .88rem; line-height: 1.5; }
.finding strong { color: var(--ink); }
.finding.good .finding-icon { color: var(--lime); }
.finding.warn .finding-icon { color: var(--amber); }
.finding.error .finding-icon { color: var(--red); }
.record-groups { display: grid; gap: 14px; }
.record-group { border: 1px solid var(--line); border-radius: 11px; overflow: hidden; }
.record-group-head { display: flex; justify-content: space-between; gap: 20px; padding: 14px 16px; background: var(--surface-2); }
.record-group-head h3 { margin: 0; font-size: .95rem; }
.record-group-head span { color: var(--dim); font-size: .78rem; }
.record-row { display: grid; grid-template-columns: 72px minmax(160px,.7fr) minmax(240px,1.5fr); gap: 14px; padding: 13px 16px; border-top: 1px solid var(--line); align-items: start; font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: .79rem; line-height: 1.55; }
.record-row .ttl { color: var(--cyan); }
.record-row .name { color: var(--muted); overflow-wrap: anywhere; }
.record-row .data { color: var(--ink); overflow-wrap: anywhere; }
.empty-record { padding: 15px 16px; border-top: 1px solid var(--line); color: var(--dim); font-size: .85rem; }

.learn-section { padding: 72px 0; border-top: 1px solid var(--line); }
.guide-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; margin-top: 30px; }
.guide-grid article { min-height: 190px; padding: 22px; border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(150deg, rgba(10,21,25,.72), rgba(4,9,11,.65)); }
.guide-grid article > span { color: var(--cyan); font: 700 .75rem "SFMono-Regular", Consolas, monospace; }
.guide-grid h3 { margin: 32px 0 9px; font-size: 1rem; }
.guide-grid p { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.62; }
.privacy-strip { margin-bottom: 64px; padding: 24px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; border: 1px solid rgba(72,232,210,.24); border-radius: 12px; background: rgba(72,232,210,.045); }
.privacy-strip > div { display: flex; gap: 14px; }
.privacy-strip strong { display: block; margin-bottom: 4px; }
.privacy-strip p { margin: 0; color: var(--muted); line-height: 1.6; font-size: .86rem; }
.privacy-icon { color: var(--cyan); font-size: 1.25rem; }
footer { min-height: 72px; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 18px clamp(20px, 5vw, 72px); border-top: 1px solid var(--line); color: var(--dim); font-size: .78rem; }
footer a { color: var(--muted); }

@keyframes blink { 50% { opacity: .25; } }
@media (max-width: 980px) {
  .query-panel { grid-template-columns: 1fr; }
  .run-button { width: 100%; }
  .guide-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .site-header { align-items: flex-start; }
  nav a:not(.back-link) { display: none; }
  .workspace-intro, .privacy-strip { grid-template-columns: 1fr; gap: 22px; }
  h1 { font-size: clamp(2.35rem, 12vw, 4rem); }
  .record-row { grid-template-columns: 58px 1fr; }
  .record-row .data { grid-column: 1 / -1; }
  .results-head { align-items: flex-start; flex-direction: column; }
  .summary-chips { justify-content: flex-start; }
  .guide-grid { grid-template-columns: 1fr; }
  footer { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}