:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --panel-soft: #f9fafc;
  --text: #182235;
  --muted: #667085;
  --border: #e4e7ec;
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --green: #12b76a;
  --orange: #f79009;
  --red: #f04438;
  --gray: #98a2b3;
  --shadow: 0 16px 40px rgba(16, 24, 40, .12);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif; color: var(--text); background: var(--bg); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; border: 0; }
.app-shell { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.sidebar { background: #101828; color: #fff; padding: 22px 16px; display: flex; flex-direction: column; gap: 22px; }
.brand { display: flex; gap: 12px; align-items: center; padding: 6px; }
.brand-mark { width: 42px; height: 42px; border-radius: 14px; background: linear-gradient(135deg, #2563eb, #12b76a); display: grid; place-items: center; font-weight: 800; font-size: 20px; }
.brand h1 { margin: 0; font-size: 17px; }
.brand p { margin: 4px 0 0; color: #cbd5e1; font-size: 12px; }
.nav { display: flex; flex-direction: column; gap: 8px; }
.nav-item { text-align: left; padding: 12px 14px; border-radius: 12px; color: #d0d5dd; background: transparent; }
.nav-item:hover, .nav-item.active { background: #1d2939; color: #fff; }
.sidebar-footer { margin-top: auto; display: grid; gap: 8px; }
.main { padding: 28px; min-width: 0; }
.topbar { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 20px; }
.topbar h2 { margin: 0; font-size: 28px; }
.topbar p { margin: 8px 0 0; color: var(--muted); }
.topbar-actions { display: flex; gap: 10px; align-items: center; }
.content { display: grid; gap: 18px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 18px; padding: 18px; box-shadow: 0 1px 2px rgba(16, 24, 40, .04); }
.card h3 { margin: 0 0 12px; font-size: 18px; }
.grid { display: grid; gap: 14px; }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 16px; }
.stat .label { color: var(--muted); font-size: 13px; }
.stat .value { font-size: 28px; font-weight: 800; margin-top: 8px; }
.stat.red .value { color: var(--red); }
.stat.orange .value { color: var(--orange); }
.stat.green .value { color: var(--green); }
.stat.gray .value { color: var(--gray); }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
input, select, textarea { width: 100%; border: 1px solid var(--border); border-radius: 12px; padding: 10px 12px; background: #fff; color: var(--text); outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, .1); }
textarea { min-height: 140px; resize: vertical; }
.toolbar input { max-width: 320px; }
.toolbar select { max-width: 180px; }
.primary { background: var(--primary); color: #fff; border-radius: 12px; padding: 10px 14px; font-weight: 700; }
.primary:hover { background: var(--primary-dark); }
.ghost { background: #fff; color: var(--text); border: 1px solid var(--border); border-radius: 12px; padding: 10px 14px; }
.sidebar .ghost { background: transparent; color: #fff; border-color: #344054; }
.ghost.danger { color: #fda29b; }
.full { width: 100%; }
.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: 14px; }
table { width: 100%; border-collapse: collapse; background: #fff; min-width: 860px; }
th, td { padding: 12px; border-bottom: 1px solid var(--border); vertical-align: top; text-align: left; }
th { background: #f8fafc; font-size: 13px; color: #475467; }
tr:hover td { background: #fbfdff; }
.title-cell { font-weight: 700; color: var(--text); max-width: 420px; }
.summary-cell { color: var(--muted); max-width: 520px; line-height: 1.55; }
.badges { display: flex; gap: 6px; flex-wrap: wrap; }
.badge { display: inline-flex; align-items: center; padding: 4px 8px; border-radius: 999px; font-size: 12px; background: #eef2ff; color: #344054; white-space: nowrap; }
.badge.red { background: #fee4e2; color: #b42318; }
.badge.orange { background: #fef0c7; color: #b54708; }
.badge.green { background: #dcfae6; color: #067647; }
.badge.gray { background: #f2f4f7; color: #475467; }
.status-pill { border-radius: 999px; padding: 7px 10px; font-size: 12px; background: #dcfae6; color: #067647; }
.status-pill.muted { background: #f2f4f7; color: #667085; }
.notice { border-radius: 14px; padding: 12px 14px; margin-bottom: 14px; background: #eff8ff; border: 1px solid #b2ddff; color: #175cd3; }
.notice.error { background: #fef3f2; border-color: #fecdca; color: #b42318; }
.hidden { display: none !important; }
.modal { position: fixed; inset: 0; background: rgba(16, 24, 40, .58); display: grid; place-items: center; padding: 22px; z-index: 50; }
.modal-card { background: #fff; width: min(1180px, 96vw); max-height: 92vh; overflow: auto; border-radius: 22px; box-shadow: var(--shadow); }
.modal-card.small { width: min(520px, 94vw); }
.modal-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; padding: 18px 20px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: #fff; z-index: 2; }
.modal-head h3 { margin: 0; }
.icon-btn { width: 36px; height: 36px; border-radius: 12px; background: #f2f4f7; font-size: 22px; line-height: 1; }
.form-grid { padding: 18px 20px; display: grid; gap: 14px; }
.form-grid label { display: grid; gap: 6px; font-weight: 700; }
.help { color: var(--muted); font-size: 13px; line-height: 1.6; margin: 0; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; padding: 0 20px 20px; }
.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 18px; padding: 18px 20px 24px; }
.detail-main, .detail-side { display: grid; gap: 14px; align-content: start; }
.text-block { border: 1px solid var(--border); border-radius: 14px; background: var(--panel-soft); padding: 14px; white-space: pre-wrap; line-height: 1.7; max-height: 360px; overflow: auto; }
.section-title { font-weight: 800; margin-bottom: 8px; }
.resource-list { display: grid; gap: 10px; }
.resource-card { border: 1px solid var(--border); border-radius: 14px; padding: 12px; background: #fff; display: grid; gap: 10px; }
.resource-card img { max-width: 100%; border-radius: 12px; border: 1px solid var(--border); background: #f2f4f7; }
.muted-text { color: var(--muted); }
.pager { display: flex; gap: 10px; align-items: center; justify-content: flex-end; }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 8px; font-size: 13px; }
.kv span:nth-child(odd) { color: var(--muted); }
@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .detail-layout { grid-template-columns: 1fr; }
  .grid.cols-5, .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; }
}