:root {
  --bg: #f6f8fb;
  --ink: #0f172a;
  --muted: #475569;
  --line: #dbe4ef;
  --panel: #ffffff;
  --blue: #1d4ed8;
  --blue-soft: #eff6ff;
  --green: #16a34a;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #f8fbff 0%, var(--bg) 48%, #eef4fb 100%);
  color: var(--ink);
}

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: end;
  padding-bottom: 28px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--blue);
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(36px, 7vw, 72px);
  line-height: 1;
}

.lede {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 19px;
}

.status-card,
.search-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 45px rgba(15, 23, 42, .08);
}

.status-card {
  display: flex;
  gap: 12px;
  padding: 18px;
}

.status-card span:not(.dot) {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 14px;
}

.dot {
  width: 11px;
  height: 11px;
  margin-top: 5px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(22, 163, 74, .14);
}

.search-panel {
  padding: 24px;
}

.search-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 700;
}

.input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

input,
select,
button {
  min-height: 46px;
  border-radius: 8px;
  border: 1px solid var(--line);
  font: inherit;
}

input,
select {
  width: 100%;
  padding: 0 13px;
  background: #fff;
  color: var(--ink);
}

button {
  padding: 0 20px;
  border-color: var(--blue);
  background: var(--blue);
  color: white;
  font-weight: 800;
  cursor: pointer;
}

.controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(160px, 240px));
  gap: 12px;
  margin-top: 14px;
}

.message {
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--blue-soft);
  color: #1e3a8a;
}

.message[data-kind="success"] {
  background: #ecfdf5;
  color: #166534;
}

.message[data-kind="warn"] {
  background: #fffbeb;
  color: #92400e;
}

.message[data-kind="error"] {
  background: #fef2f2;
  color: #991b1b;
}

.results {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style-position: inside;
}

.result {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.result a {
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

.result p {
  margin: 8px 0 0;
  color: var(--muted);
}

.result .url {
  color: #047857;
  font-size: 14px;
  overflow-wrap: anywhere;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

@media (max-width: 780px) {
  .hero,
  .input-row,
  .controls {
    grid-template-columns: 1fr;
  }
}