@font-face {
  font-family: '7x12x3';
  src:
    url('https://iolo.kr/assets/font/7x12x3.woff') format('woff'),
    url('https://iolo.kr/assets/font/7x12x3.woff2') format('woff2'),
    url('https://iolo.kr/assets/font/7x12x3.ttf') format('truetype'),
    url('https://iolo.kr/assets/font/7x12x3.otf') format('opentype');
}

:root {
  --font-body: '7x12x3', 'IBM Plex Sans KR', sans-serif;
  --font-code: '7x12x3', 'IBM Plex Mono', monospace;
  --bg: #f1eadf;
  --panel: #fffaf2;
  --ink: #1e1f1d;
  --muted: #615b52;
  --line: #d7ccbb;
  --accent: #9f3d22;
  --accent-2: #2f5f5b;
  --shadow: rgba(30, 31, 29, 0.08);
}

:root.system-font {
  --font-body: sans-serif;
  --font-code: monospace;
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(159, 61, 34, 0.14), transparent 28%),
    radial-gradient(circle at top right, rgba(47, 95, 91, 0.14), transparent 26%),
    linear-gradient(180deg, #efe5d5 0%, var(--bg) 100%);
}

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 32px 20px 56px;
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.lede {
  max-width: 60ch;
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 1.05rem;
}

.panel {
  background: color-mix(in srgb, var(--panel) 92%, white);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 16px 40px var(--shadow);
  padding: 18px;
  backdrop-filter: blur(4px);
}

.controls {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(180px, 0.7fr);
  gap: 12px;
  align-items: end;
}

label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.92rem;
  color: var(--muted);
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  background: #fffdf8;
  color: var(--ink);
  font: inherit;
}

input:focus,
select:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 28%, white);
  outline-offset: 1px;
  border-color: var(--accent);
}

.hint {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.summary {
  margin: 18px 0 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.results {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.card {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.card:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px var(--shadow);
}

.topline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  align-items: baseline;
  margin-bottom: 10px;
}

.addr {
  font-family: "SFMono-Regular", "Cascadia Mono", "Menlo", monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
}

.badge {
  display: inline-block;
  border-radius: 999px;
  padding: 4px 9px;
  background: color-mix(in srgb, var(--accent-2) 16%, white);
  color: var(--accent-2);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.meta {
  display: grid;
  gap: 6px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.94rem;
}

.empty {
  padding: 28px 18px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.45);
}

@media (max-width: 720px) {
  .controls {
    grid-template-columns: 1fr;
  }

  main {
    padding-top: 24px;
  }
}