:root {
  color-scheme: light;
  --ink: #172033;
  --ink-soft: #4d596c;
  --paper: #f3f5f8;
  --paper-2: #e7ebf1;
  --card: #ffffff;
  --line: #d5dbe3;
  --oxide: #1d4e89;
  --oxide-deep: #163e6e;
  --brass: #6d5a32;
  --good: #1f6b45;
  --header: #121826;
  --header-ink: #f4f7fb;
  --meter: #d5dbe3;
  --meter-fill: #1d4e89;
  --shadow: 0 10px 28px rgb(18 24 38 / 6%);
  --sans: "Pretendard", "Apple SD Gothic Neo", sans-serif;
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.55;
  background: var(--paper);
  color: var(--ink);
}

* { box-sizing: border-box; }
body { margin: 0; min-block-size: 100dvb; }
body.site { display: flex; flex-direction: column; min-block-size: 100dvb; }
body.site > main { flex: 1; inline-size: min(1120px, calc(100% - 2rem)); margin-inline: auto; padding-block: 1.4rem 2.5rem; }
a { color: inherit; }
a:hover { color: var(--oxide-deep); }
:focus-visible { outline: 3px solid var(--oxide); outline-offset: 3px; }
.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  inset-block-start: -4rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 0.8rem;
}
.skip-link:focus { inset-block-start: 1rem; }

.site-header, .site-footer { background: var(--header); color: var(--header-ink); }
.header-bar, .footer-bar { inline-size: min(1120px, calc(100% - 2rem)); margin-inline: auto; }
.header-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem 1.2rem;
  min-block-size: 4rem;
}
.site-header { position: sticky; inset-block-start: 0; z-index: 5; }
.brand { color: var(--header-ink); font-weight: 720; letter-spacing: -0.03em; font-size: 1.15rem; text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: 0.25rem; }
nav a {
  color: var(--header-ink);
  text-decoration: none;
  padding: 0.4rem 0.75rem;
  border-radius: 0.45rem;
}
nav a[aria-current="page"] { background: rgb(255 255 255 / 14%); }
.site-footer { margin-block-start: auto; }
.footer-bar { display: grid; gap: 0.35rem; padding-block: 1.3rem 1.6rem; color: #c5ceda; font-size: 0.92rem; }
.footer-name { margin: 0; color: white; font-weight: 700; }
.footer-bar p { margin: 0; }
.footer-links { display: flex; gap: 0.9rem; }
.footer-links a { color: white; }
.wrap { inline-size: min(1120px, calc(100% - 2rem)); margin-inline: auto; }

.hero { padding-block: 0.4rem 1.4rem; }
.kicker { margin: 0; color: var(--oxide); font-size: 0.82rem; letter-spacing: 0.14em; text-transform: uppercase; }
h1 { font-weight: 720; letter-spacing: -0.04em; font-size: clamp(1.8rem, 1.2rem + 1.6vw, 2.5rem); line-height: 1.2; margin: 0.2rem 0 0.55rem; }
.page-head { margin-block-end: 1rem; }
.finder {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 0.7rem 0.8rem;
  margin-block: 0 1rem;
  padding: 0.85rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0.7rem;
}
.finder label { display: grid; gap: 0.25rem; font-size: 0.82rem; font-weight: 650; color: var(--ink-soft); }
.finder input[type="search"], .finder select {
  font: inherit;
  color: var(--ink);
  min-inline-size: 11rem;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  background: white;
}
.finder .check { display: flex; align-items: center; gap: 0.35rem; min-block-size: 2.3rem; font-size: 0.95rem; color: var(--ink); }
.finder button {
  font: inherit;
  font-weight: 700;
  padding: 0.5rem 0.9rem;
  border: 0;
  border-radius: 0.4rem;
  background: var(--oxide);
  color: white;
}
.class-block { margin-block-start: 1.4rem; }
.class-block h2 { margin: 0 0 0.7rem; font-size: 1.15rem; }
.class-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: 0.7rem; }
.class-card {
  display: grid;
  gap: 0.25rem;
  padding: 0.9rem 1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  text-decoration: none;
}
.class-card:hover { border-color: var(--oxide); }
.class-card h2 { margin: 0; font-size: 1.05rem; }
.class-card p { margin: 0; color: var(--ink-soft); }
.class-card .count { font-weight: 720; color: var(--oxide); font-size: 1.35rem; }
.empty { margin: 0 0 0.8rem; color: var(--ink-soft); }
.lede { max-inline-size: 42rem; color: var(--ink-soft); margin: 0; }
.stat-row { display: flex; flex-wrap: wrap; flex-wrap: balance; gap: 0.6rem; margin-block-start: 1.1rem; }
.stat { background: var(--paper-2); border-radius: 999px; padding: 0.35rem 0.75rem; font-size: 0.92rem; }

.board { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.7rem; }
.rank-card {
  container-type: inline-size;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem 1.1rem;
  padding: 1rem 1.05rem;
  background: #fbf8f2;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  text-decoration: none;
  box-shadow: var(--shadow);
}
.rank-card:hover { border-color: var(--oxide); }
.rank-no { font-family: inherit; font-size: clamp(2rem, 8cqi, 3.1rem); line-height: 0.9; color: var(--oxide); margin: 0; }
.rank-card h2 { margin: 0; font-size: clamp(1.15rem, 2.4cqi + 0.8rem, 1.55rem); line-height: 1.3; letter-spacing: -0.02em; }
.snippet {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-clamp: 2;
  overflow: clip;
  color: var(--ink-soft);
  margin: 0.35rem 0 0;
}
.meta { display: flex; flex-wrap: wrap; flex-wrap: balance; gap: 0.35rem 0.7rem; margin: 0.55rem 0 0; color: var(--ink-soft); font-size: 0.92rem; }
.score-pill { font-family: inherit; color: var(--ink); font-size: 1.35rem; }
.meters { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.45rem 0.8rem; margin-block-start: 0.75rem; }
.meters label { display: grid; gap: 0.15rem; font-size: 0.78rem; color: var(--ink-soft); }
meter { inline-size: 100%; block-size: 0.42rem; }
meter::-webkit-meter-bar { background: var(--meter); border-radius: 99px; }
meter::-webkit-meter-optimum-value { background: var(--meter-fill); border-radius: 99px; }

.detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.2rem;
  padding-block-end: 3rem;
}
@container (min-width: 1px) {
  .detail { container-type: inline-size; }
}
.wrap { container-type: inline-size; }
@container (width > 860px) {
  .detail { grid-template-columns: 280px minmax(0, 1fr); align-items: start; }
  .score-card { position: sticky; inset-block-start: 1rem; }
}
.score-card, .panel {
  background: #fbf8f2;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  padding: 1rem 1.05rem;
}
.score-card .big { font-family: inherit; font-size: 4.2rem; line-height: 0.9; margin: 0.2rem 0; color: var(--oxide); }
.panel + .panel { margin-block-start: 0.8rem; }
.panel h2 { font-family: inherit; font-weight: 560; font-size: 1.7rem; margin: 0 0 0.45rem; }
.prose { white-space: pre-wrap; margin: 0; }
.task-list { margin: 0; padding-inline-start: 1.1rem; }
.task-list li + li { margin-block-start: 0.45rem; }
.note { color: var(--ink-soft); }
.market-list { display: grid; gap: 0.8rem; margin: 0; padding: 0; list-style: none; }
.market-thread { background: var(--card); border: 1px solid var(--line); border-radius: 0.8rem; padding: 1rem 1.05rem; }
.market-thread h2 { margin: 0.2rem 0 0.4rem; font-size: 1.25rem; letter-spacing: -0.02em; }
.market-thread .prose { margin-block-start: 0.35rem; }
.speech + .speech { margin-block-start: 0.7rem; padding-block-start: 0.7rem; border-block-start: 1px solid var(--line); }
.speech h3 { margin: 0; font-size: 0.95rem; }

.table-wrapper { overflow: auto; max-inline-size: 100%; container-type: inline-size; scrollbar-gutter: stable; }
table { border-collapse: separate; border-spacing: 0; inline-size: 100%; }
caption { text-align: start; font-weight: 650; padding-block-end: 0.45rem; }
th, td { text-align: start; padding: 0.55rem 0.6rem; border-block-end: 1px solid var(--line); vertical-align: top; }
thead th { position: sticky; inset-block-start: 0; background: #fbf8f2; z-index: 1; }
.num { font-variant-numeric: tabular-nums; text-align: end; }
@container (width < 640px) {
  .score-table thead { display: none; }
  .score-table, .score-table tbody, .score-table tr, .score-table th, .score-table td { display: block; }
  .score-table tr { border: 1px solid var(--line); border-radius: 0.8rem; margin-block-end: 0.7rem; padding: 0.4rem; }
  .score-table td::before { color: var(--ink-soft); }
  .score-table td:nth-child(2)::before { content: "종합 "; }
  .score-table td:nth-child(3)::before { content: "수익 "; }
  .score-table td:nth-child(4)::before { content: "가능성 "; }
  .score-table td:nth-child(5)::before { content: "무인운영 "; }
  .score-table td:nth-child(6)::before { content: "수요 "; }
  .score-table td:nth-child(7)::before { content: "구현 "; }
}

.pager { display: flex; gap: 1rem; align-items: safe center; }
.rank-table { border-collapse: separate; border-spacing: 0; inline-size: 100%; }
.rank-table td.method { min-inline-size: 18rem; max-inline-size: 36rem; }
.rank-status { color: var(--ink-soft); margin: 0.9rem 0 2rem; }
.rank-sentinel { block-size: 1px; }
.site-footer { padding-block: 2rem 3rem; color: var(--ink-soft); }

.intro {
  inline-size: min(28rem, calc(100% - 2rem));
  margin-inline: auto;
  padding-block: 8dvh 3rem;
}
.intro h1 {
  font-family: inherit;
  font-weight: 560;
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  line-height: 1;
  margin: 0.2rem 0 0.6rem;
}
.gate-form { display: grid; gap: 0.9rem; margin-block-start: 1.2rem; }
.gate-form label { font-weight: 650; }
.gate-form input {
  display: block;
  inline-size: 100%;
  margin-block-start: 0.3rem;
  font: inherit;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  background: #fffdf8;
}
.gate-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.gate-form button, .logout button {
  font: inherit;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--oxide);
  background: var(--oxide);
  color: #fbf8f2;
}
.gate-form button[type="button"], .logout button {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.logout { margin: 0; }
.site-header .logout button { color: var(--header-ink); border-color: rgb(255 255 255 / 35%); }
.login-error { color: var(--oxide-deep); margin: 0; }