:root { color-scheme: light; font-family: Inter, Pretendard, "Noto Sans KR", system-ui, sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; background: #f5f7fb; color: #172033; }
a { color: #2457d6; text-decoration: none; }
a:hover { text-decoration: underline; }
.site-header { background: #101a33; color: #fff; }
.site-header .inner { max-width: 1120px; margin: 0 auto; min-height: 64px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { color: #fff; font-weight: 800; letter-spacing: .04em; }
.nav { display: flex; align-items: center; gap: 14px; }
.nav a, .nav button { color: #fff; background: none; border: 0; font: inherit; cursor: pointer; padding: 8px; }
.container { max-width: 1120px; margin: 0 auto; padding: 36px 24px 72px; }
.card { background: #fff; border: 1px solid #e1e6f0; border-radius: 14px; padding: 24px; box-shadow: 0 8px 30px rgba(28,45,85,.06); }
.auth-card { max-width: 560px; margin: 24px auto; }
h1 { margin: 0 0 10px; font-size: clamp(1.8rem, 4vw, 2.5rem); }
h2 { margin-top: 0; }
.lead { color: #5a667d; line-height: 1.7; }
.field { margin: 0 0 18px; }
.field label { display: block; margin-bottom: 7px; font-weight: 700; }
.field input, .field select, .field textarea { width: 100%; min-height: 44px; border: 1px solid #cbd3e1; border-radius: 8px; padding: 10px 12px; font: inherit; background: #fff; }
.field textarea { min-height: 88px; resize: vertical; }
.field small { display: block; margin-top: 6px; color: #68758c; line-height: 1.5; }
.checkbox { display: flex; align-items: center; gap: 8px; margin: 12px 0 20px; }
.checkbox input { width: 18px; height: 18px; }
.actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; border: 1px solid transparent; border-radius: 8px; padding: 10px 16px; font: inherit; font-weight: 700; cursor: pointer; }
.button-primary { background: #2457d6; color: #fff; }
.button-secondary { background: #fff; border-color: #bcc7da; color: #263650; }
.button-danger { background: #b42318; color: #fff; }
.validation-summary-errors { border: 1px solid #f0aaa3; background: #fff3f1; color: #8a1c13; border-radius: 8px; padding: 12px 16px; margin-bottom: 18px; }
.validation-summary-errors ul { margin: 0; padding-left: 20px; }
.field-validation-error { display: block; margin-top: 6px; color: #b42318; }
.notice { border-left: 4px solid #2457d6; background: #eef4ff; padding: 14px 16px; border-radius: 6px; margin: 18px 0; line-height: 1.6; }
.notice-success { border-left-color: #18864b; background: #ecf9f1; }
.notice-error { border-left-color: #b42318; background: #fff3f1; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 18px; }
.data-table { width: 100%; border-collapse: collapse; background: #fff; }
.data-table th, .data-table td { border-bottom: 1px solid #e4e8f0; padding: 12px; text-align: left; vertical-align: top; }
.data-table th { background: #f3f6fb; font-size: .92rem; }
.inline-form { display: inline-flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.inline-form input { min-height: 38px; border: 1px solid #cbd3e1; border-radius: 7px; padding: 8px; }
.muted { color: #68758c; }
code { background: #eef1f6; border-radius: 5px; padding: 2px 5px; }
@media (max-width: 720px) { .site-header .inner { align-items: flex-start; flex-direction: column; padding-top: 16px; padding-bottom: 16px; } .data-table { display: block; overflow-x: auto; } }
.eyebrow { color: #2457d6; font-size: .78rem; font-weight: 800; letter-spacing: .16em; }
.hero { margin-bottom: 20px; }
.detail-list { margin: 0; }
.detail-list div { display: grid; grid-template-columns: 120px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid #e4e8f0; }
.detail-list dt { color: #68758c; }
.detail-list dd { margin: 0; font-weight: 700; }
.dashboard-grid { margin-top: 20px; }