:root {
  --bg: #eef2f7;
  --panel: #ffffff;
  --line: #d7e0ea;
  --ink: #13263a;
  --muted: #5b6c7c;
  --accent: #0e7490;
  --accent-soft: #dff6fb;
  --danger: #b42318;
  --shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Pretendard", "SUIT", "Apple SD Gothic Neo", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(14, 116, 144, 0.18), transparent 28%),
    linear-gradient(180deg, #f8fafc 0%, var(--bg) 100%);
  color: var(--ink);
}

.shell {
  width: min(1320px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 64px;
}

.hero,
.status-strip,
.panel {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px;
  border-radius: 28px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1;
}

.lede {
  margin: 12px 0 0;
  color: var(--muted);
  max-width: 780px;
  line-height: 1.6;
}

.hero-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 180px;
}

.hero-links a,
button {
  appearance: none;
  border: none;
  text-decoration: none;
  cursor: pointer;
  border-radius: 14px;
  padding: 12px 16px;
  font-weight: 700;
  font-size: 14px;
  transition: transform 120ms ease, opacity 120ms ease, background 120ms ease;
}

.hero-links a,
button {
  background: var(--ink);
  color: white;
}

button:hover,
.hero-links a:hover {
  transform: translateY(-1px);
  opacity: 0.94;
}

.status-strip {
  margin-top: 18px;
  border-radius: 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
}

.status-strip > div {
  padding: 16px 18px;
  background: linear-gradient(180deg, #f8fcfe 0%, var(--accent-soft) 100%);
}

.label {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 6px;
}

.grid.two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.panel {
  border-radius: 24px;
  padding: 22px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

h2 {
  margin: 0 0 16px;
  font-size: 22px;
}

.stack {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.field-hint {
  margin: -4px 0 0;
  font-size: 12px;
  color: var(--muted);
}

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

.actions {
  display: flex;
  gap: 10px;
}

.actions.wrap {
  flex-wrap: wrap;
}

.actions button {
  background: var(--accent);
}

.result {
  margin: 14px 0 0;
  min-height: 96px;
  max-height: 260px;
  overflow: auto;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #0f172a;
  color: #d7f9ff;
  padding: 14px;
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
}

.question-grid {
  display: grid;
  grid-template-columns: 1fr 100px;
  gap: 10px 12px;
}

.question-grid .question-text {
  font-size: 13px;
  color: var(--ink);
}

.link-list {
  margin: 0;
  padding-left: 18px;
}

.link-list li + li {
  margin-top: 10px;
}

.help {
  margin-top: 18px;
  color: var(--muted);
  line-height: 1.6;
}

code {
  background: rgba(15, 23, 42, 0.06);
  padding: 3px 6px;
  border-radius: 8px;
}

@media (max-width: 980px) {
  .hero,
  .grid.two,
  .status-strip {
    grid-template-columns: 1fr;
    display: grid;
  }

  .hero {
    padding: 22px;
  }
}