:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #172033;
  --muted: #687386;
  --line: #d8dee9;
  --primary: #1f4e78;
  --primary-dark: #173b5b;
  --ok-bg: #e7f7ee;
  --ok: #166534;
  --warn-bg: #fff7dc;
  --warn: #92400e;
  --neutral-bg: #e9eef5;
  --danger: #b42318;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar { height: 58px; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; background: #0f2740; color: #fff; box-shadow: 0 2px 12px rgba(0,0,0,.12); }
.brand { display: flex; align-items: baseline; gap: 12px; font-weight: 700; }
.brand a { color: #fff; font-size: 20px; letter-spacing: .04em; }
.brand span { color: #c8d7ea; font-size: 14px; font-weight: 500; }
.nav { display: flex; align-items: center; gap: 14px; }
.nav a { color: #e7eef8; }
.nav .user { color: #b9c9dc; border-left: 1px solid rgba(255,255,255,.25); padding-left: 14px; }
.logout-form { margin: 0; }
.logout-form button { color: #fff; background: transparent; border: 1px solid rgba(255,255,255,.35); border-radius: 6px; padding: 6px 10px; cursor: pointer; }

.container { width: min(1480px, calc(100% - 40px)); margin: 28px auto 60px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; margin-bottom: 18px; }
h1 { margin: 0 0 6px; font-size: 28px; }
h2 { margin: 0 0 14px; font-size: 18px; }
.muted { color: var(--muted); margin: 0; }
.actions, .inline-actions, .form-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.card, .auth-card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px; box-shadow: 0 6px 18px rgba(32, 48, 72, .05); }
.narrow { max-width: 680px; }
.narrow-form { max-width: 980px; }
.auth-card { max-width: 420px; margin: 80px auto; }
.auth-card h1 { font-size: 24px; }

button, .button { display: inline-flex; align-items: center; justify-content: center; min-height: 36px; padding: 8px 12px; border-radius: 8px; border: 1px solid var(--line); background: #fff; color: var(--text); font-weight: 600; cursor: pointer; }
button:hover, .button:hover { text-decoration: none; background: #f2f5fa; }
.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.primary:hover { background: var(--primary-dark); }
.danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.danger-link { color: var(--danger); }
.full { width: 100%; margin-top: 14px; }

.messages { margin-bottom: 16px; }
.message { padding: 11px 13px; border-radius: 10px; border: 1px solid var(--line); background: #fff; margin-bottom: 8px; }
.message.success { background: #e8f7ee; border-color: #b7e1c4; }
.message.warning { background: #fff7dc; border-color: #f0d98b; }
.message.error { background: #ffebe9; border-color: #ffbbb3; color: #8f1b11; }

.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(160px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.stat span { display: block; color: var(--muted); font-size: 13px; }
.stat strong { font-size: 28px; display: block; margin-top: 4px; }

.filter-grid { display: grid; grid-template-columns: repeat(6, minmax(130px, 1fr)); gap: 12px; align-items: end; }
.filter-grid .wide { grid-column: span 2; }
.filter-actions { display: flex; gap: 8px; }
label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; }
input, select, textarea, .form-control { width: 100%; border: 1px solid var(--line); border-radius: 8px; padding: 9px 10px; background: #fff; color: var(--text); }
input:disabled, select:disabled, textarea:disabled { background: #f0f3f7; color: #6b7280; }
small { display: block; margin-top: 5px; color: var(--muted); }
.error-text { color: var(--danger); }
.req { color: var(--danger); margin-left: 3px; }

.table-card { overflow-x: auto; padding: 0; }
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th, .data-table td { border-bottom: 1px solid var(--line); padding: 10px 12px; vertical-align: top; }
.data-table th { background: #eef3f8; text-align: left; font-size: 13px; color: #344154; white-space: nowrap; }
.data-table tr:hover td { background: #fafcff; }
.data-table.compact th, .data-table.compact td { padding: 8px 9px; }
.title-col { min-width: 260px; }
.remark-col { max-width: 300px; }
.empty { text-align: center; color: var(--muted); padding: 28px !important; }

.badge { display: inline-flex; padding: 3px 8px; border-radius: 999px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.neutral { background: var(--neutral-bg); color: #344154; }

.detail-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 16px; margin-bottom: 16px; }
.detail-list { display: grid; grid-template-columns: 140px 1fr; row-gap: 9px; column-gap: 12px; margin: 0; }
.detail-list dt { color: var(--muted); font-weight: 700; }
.detail-list dd { margin: 0; }
.preline { white-space: pre-line; }

.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.form-field.span-2 { grid-column: span 2; }
.form-actions { margin-top: 18px; }

.master-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.master-card { color: var(--text); text-decoration: none; }
.master-card span { color: var(--muted); font-weight: 700; }
.master-card strong { display: block; font-size: 34px; margin: 10px 0; }
.master-card em { font-style: normal; color: var(--primary); font-weight: 700; }

.pagination { display: flex; justify-content: center; gap: 12px; align-items: center; margin-top: 18px; }
.pagination a { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; }

@media (max-width: 980px) {
  .page-head, .topbar { flex-direction: column; height: auto; align-items: stretch; gap: 10px; padding: 14px 18px; }
  .nav { flex-wrap: wrap; }
  .stats-grid, .filter-grid, .detail-grid, .form-grid { grid-template-columns: 1fr; }
  .filter-grid .wide, .form-field.span-2 { grid-column: span 1; }
}

.master-help { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; }
.master-help strong { color: var(--primary); }
.master-help span { color: var(--muted); }
.master-group { margin-bottom: 16px; }
.master-group-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); background: #f8fbff; }
.master-group-head h2 { margin: 0; }
.drag-col { width: 58px; text-align: center !important; white-space: nowrap; }
.drag-handle { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 8px; color: #64748b; cursor: grab; font-weight: 800; letter-spacing: -3px; user-select: none; }
.drag-handle:hover { background: #e8eef6; color: var(--primary); }
tr.dragging { opacity: .45; }
tr.dragging td { background: #edf5ff !important; }
.sort-save-status { min-height: 18px; padding: 8px 14px 12px; }