:root {
  --bg: #f6f8ff;
  --card: #ffffff;
  --text: #121826;
  --muted: rgba(18, 24, 38, 0.68);
  --line: rgba(18, 24, 38, 0.12);
  --primary: #2f6bff;
  --danger: #e23b3b;
  --shadow: 0 10px 30px rgba(18, 24, 38, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Noto Sans KR", Arial,
    "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: radial-gradient(1200px 600px at 20% 0%, #dbe7ff, var(--bg));
  color: var(--text);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 22px 16px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0 0 10px;
  font-size: 18px;
}

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

.mt {
  margin-top: 12px;
}

.stack {
  display: grid;
  gap: 10px;
}

.row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

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

.tab-btn.active {
  background: rgba(47, 107, 255, 0.14);
  border-color: rgba(47, 107, 255, 0.5);
  font-weight: 700;
}

.tab-panel h3 {
  margin: 0;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 9px 10px;
  text-align: left;
  vertical-align: top;
}

th {
  background: rgba(47, 107, 255, 0.06);
  font-weight: 700;
}

.option-row {
  display: grid;
  grid-template-columns: repeat(6, minmax(120px, 1fr)) auto;
  gap: 8px;
  align-items: center;
}

@media (max-width: 980px) {
  .option-row {
    grid-template-columns: 1fr;
  }
}

.btn {
  border: 1px solid var(--line);
  color: var(--text);
  background: #fff;
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
}

.btn.primary {
  background: rgba(47, 107, 255, 0.1);
  border-color: rgba(47, 107, 255, 0.35);
}

.btn.danger {
  background: rgba(255, 122, 122, 0.12);
  border-color: rgba(255, 122, 122, 0.35);
}

.input {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--text);
  min-width: 240px;
}

textarea.input {
  width: 100%;
  min-height: 110px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(47, 107, 255, 0.05);
}

.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New",
    monospace;
  font-size: 12px;
  color: rgba(18, 24, 38, 0.86);
}

.item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}

.item .title {
  font-weight: 700;
}

.admin-banner-preview {
  width: 500px;
  height: 100px;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  margin-top: 8px;
}

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 28px;
}