:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #667085;
  --bg: #f6f7f9;
  --card: #ffffff;
  --line: #e4e7ec;
  --accent: #0f766e;
  --accent-soft: #dff7f2;
  --gold: #f7c948;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px max(18px, calc((100vw - 1120px) / 2));
  background: rgba(246, 247, 249, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.eyebrow,
.update-badge,
.category-label {
  margin: 0;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

h1 {
  margin: 3px 0 0;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.1;
  letter-spacing: 0;
}

.update-badge {
  flex: 0 0 auto;
  padding: 9px 12px;
  color: var(--ink);
  background: var(--gold);
  border-radius: 999px;
}

.layout {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 22px 18px 54px;
}

.intro {
  display: grid;
  gap: 14px;
  margin-bottom: 14px;
}

.intro p {
  max-width: 580px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.search-box {
  display: grid;
  gap: 8px;
  max-width: 560px;
}

.search-box span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.search-box input {
  width: 100%;
  min-height: 48px;
  padding: 0 15px;
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: none;
  box-shadow: 0 10px 22px rgba(16, 24, 40, 0.04);
}

.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

.category-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 3px;
}

.filter-chip {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 0 15px;
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
}

.filter-chip.is-active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.result-count {
  margin: -2px 0 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.notice {
  margin-bottom: 18px;
  padding: 12px 14px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(245px, 1fr));
  gap: 14px;
}

.catalog-card {
  display: flex;
  min-height: 322px;
  flex-direction: column;
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 12px 28px rgba(16, 24, 40, 0.06);
}

.catalog-card[hidden] {
  display: none;
}

.catalog-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.mini-icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  font-size: 26px;
  background: var(--accent-soft);
  border-radius: 12px;
}

.category-label {
  color: var(--muted);
}

h2 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.32;
  letter-spacing: 0;
}

.catalog-card p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.catalog-links {
  display: grid;
  gap: 8px;
  margin-top: auto;
}

.catalog-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 40px;
  padding: 9px 11px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  background: #f9fafb;
  border: 1px solid var(--line);
  border-radius: 9px;
}

.catalog-link::after {
  content: "↗";
  color: var(--accent);
  font-size: 13px;
}

.catalog-link.video {
  color: #fff;
  background: var(--ink);
  border-color: var(--ink);
}

.catalog-link.video::after {
  color: #fff;
}

.empty-state {
  display: grid;
  gap: 6px;
  margin-top: 18px;
  padding: 34px 18px;
  text-align: center;
  background: #fff;
  border: 1px dashed var(--line);
  border-radius: 14px;
}

.empty-state[hidden] {
  display: none;
}

.empty-state strong {
  font-size: 18px;
}

.empty-state span {
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 520px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .catalog-grid {
    grid-template-columns: 1fr;
  }
}