:root {
  --ink: #1f1b17;
  --muted: #6d635b;
  --paper: #f6f9ff;
  --accent: #0f3b73;
  --accent-2: #6fb6ff;
  --shadow: rgba(25, 20, 16, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 15% 10%, rgba(111, 182, 255, 0.22), transparent 45%),
    radial-gradient(circle at 85% 0%, rgba(15, 59, 115, 0.12), transparent 40%),
    linear-gradient(180deg, #ffffff 0%, #f2f6ff 60%, #eef4ff 100%);
}

.top {
  padding: 48px 20px 24px;
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.kicker {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
}

.top h1 {
  margin: 6px 0 0;
  font-size: clamp(2rem, 3.6vw, 3.2rem);
}

.lead {
  margin: 0;
  max-width: 720px;
  color: var(--muted);
  line-height: 1.6;
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px 72px;
  display: grid;
  gap: 28px;
}

.controls {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  background: var(--paper);
  border: 1px solid rgba(15, 59, 115, 0.08);
  padding: 20px;
  border-radius: 18px;
  box-shadow: 0 12px 24px var(--shadow);
}

.control {
  display: grid;
  gap: 8px;
}

.control label {
  font-size: 0.85rem;
  color: var(--muted);
}

input,
select {
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 0.95rem;
  background: #ffffff;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
}

.board {
  display: grid;
  gap: 14px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.card {
  background: #ffffff;
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 12px 20px var(--shadow);
  border: 1px solid rgba(15, 59, 115, 0.12);
  display: grid;
  gap: 10px;
}

.card h3 {
  margin: 0;
  font-size: 1.1rem;
}

.meta {
  display: grid;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--muted);
}

.badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.badge {
  background: rgba(15, 59, 115, 0.12);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
}

.card a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.card a:hover {
  text-decoration: underline;
}

.empty {
  text-align: center;
  color: var(--muted);
  padding: 30px 12px;
  border: 1px dashed rgba(31, 27, 23, 0.2);
  border-radius: 16px;
  display: none;
}

.rules {
  background: #ffffff;
  border-radius: 16px;
  padding: 18px;
  border: 1px solid rgba(15, 59, 115, 0.12);
}

.rules h2 {
  margin-top: 0;
}

.rules ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.footer {
  padding: 32px 20px 48px;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 700px) {
  .top {
    padding-top: 32px;
  }

  .brand {
    flex-direction: column;
    align-items: flex-start;
  }
}

.badge-muted {
  background: rgba(111, 182, 255, 0.18);
  color: #0f2f5f;
}

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

.card .link-button {
  text-align: center;
  display: inline-block;
  background: var(--accent);
  color: #ffffff;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  white-space: nowrap;
  box-shadow: 0 8px 16px rgba(15, 59, 115, 0.2);
}

.link-button:hover {
  opacity: 0.9;
}