:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07111f;
  color: #e8f0fa;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 12% -5%, #133c63 0, transparent 36%), radial-gradient(circle at 92% 20%, #1c315d 0, transparent 28%), #07111f; }
.container { width: min(1060px, calc(100% - 32px)); margin: 42px auto 64px; }
header { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 58px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid #5dc8ff; border-radius: 50%; color: #75d5ff; font-size: 30px; line-height: 1; box-shadow: 0 0 28px #1b9bd65c; }
.eyebrow, .kicker { margin: 0; color: #70cfff; font: 700 .68rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .16em; }
h1 { margin: 3px 0 0; font-size: 1.05rem; letter-spacing: -.02em; }
nav { display: flex; gap: 14px; }
a { color: #8ed9ff; text-decoration: none; }
a:hover { color: #d5f3ff; }
.hero { max-width: 740px; margin-bottom: 30px; }
.hero h2 { margin: 12px 0; font-size: clamp(2.35rem, 7vw, 5.25rem); letter-spacing: -.07em; line-height: .96; }
.hero > p:last-child { max-width: 530px; color: #9caec2; line-height: 1.6; }
.card { background: rgba(12, 27, 47, .8); border: 1px solid #274a71; border-radius: 16px; padding: 22px; margin-bottom: 18px; box-shadow: 0 18px 55px rgba(0,0,0,.22); }
.lookup-card { border-color: #407aa7; }
label { display: block; margin-bottom: 10px; }
.row { display: flex; gap: 10px; }
input[type="text"], input:not([type]) { flex: 1; }
input { width: 100%; padding: 12px; background: #06101d; color: #fff; border: 1px solid #345979; border-radius: 8px; }
button { padding: 11px 16px; background: linear-gradient(135deg, #168ac5, #4961d7); color: #fff; border: 0; border-radius: 8px; cursor: pointer; }
button:disabled { opacity: .5; cursor: default; }
pre { overflow-x: auto; white-space: pre-wrap; overflow-wrap: anywhere; background: #06101d; border-radius: 8px; padding: 14px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
code { display: block; margin: 12px 0; color: #b9d2ff; overflow-wrap: anywhere; }
.muted { color: #9ba9c5; font-size: .92rem; }
.hidden { display: none; }
.result-header { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.result-item { border-top: 1px solid #2b385c; padding-top: 16px; margin-top: 16px; }
.pagination { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 38px; }
.guide-card { min-height: 184px; padding: 20px; border-top: 1px solid #356384; background: rgba(7, 18, 33, .5); }
.guide-card > span { color: #61caff; font: 700 .72rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.guide-card h3 { margin: 27px 0 8px; font-size: 1rem; }
.guide-card p { margin: 0; color: #9caec2; font-size: .9rem; line-height: 1.55; }
@media (max-width: 680px) { header, .row { flex-direction: column; align-items: stretch; } }
@media (max-width: 760px) { header { margin-bottom: 38px; } .guide-grid { grid-template-columns: 1fr; } }