/* GEO 生成式引擎优化管理系统 - 后台样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg: #f4f6fa; --card: #fff; --line: #e3e8f0;
  --text: #1f2733; --muted: #7a8599;
  --primary: #2563eb; --primary-dark: #1d4ed8;
  --green: #16a34a; --amber: #d97706; --red: #dc2626;
  --radius: 10px;
}
body { font: 14px/1.6 -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* 顶栏 */
.topbar { display: flex; align-items: center; gap: 28px; background: #0f172a; color: #fff; padding: 0 24px; height: 56px; position: sticky; top: 0; z-index: 10; }
.brand { font-size: 18px; font-weight: 700; letter-spacing: .5px; }
.brand span { font-size: 12px; font-weight: 400; color: #94a3b8; margin-left: 8px; }
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav a { color: #cbd5e1; padding: 6px 14px; border-radius: 6px; font-size: 14px; }
.topbar nav a:hover { color: #fff; text-decoration: none; background: rgba(255,255,255,.08); }
.topbar nav a.active { color: #fff; background: var(--primary); }
.userbox { display: flex; align-items: center; gap: 10px; font-size: 13px; color: #cbd5e1; }
.logout { color: #94a3b8; } .logout:hover { color: #fff; }
.role-badge { padding: 2px 8px; border-radius: 10px; font-size: 12px; background: rgba(255,255,255,.12); }
.role-admin { background: rgba(37,99,235,.4); } .role-reviewer { background: rgba(22,163,74,.35); }

main.with-nav { padding: 24px; max-width: 1200px; margin: 0 auto; }

/* 登录页 */
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 40px 36px; width: 380px; box-shadow: 0 10px 40px rgba(15,23,42,.08); }
.login-card h1 { font-size: 20px; text-align: center; margin-bottom: 4px; }
.login-card .sub { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 24px; }
.login-card label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 6px; }
.login-card input { width: 100%; }
.tip { font-size: 12px; color: var(--muted); margin-top: 16px; text-align: center; }
.tip code { background: var(--bg); padding: 1px 6px; border-radius: 4px; }

/* 通用组件 */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 18px; }
.card h2 { font-size: 15px; margin-bottom: 14px; }
.page-title { font-size: 20px; margin-bottom: 16px; }
.count { font-size: 13px; font-weight: 400; color: var(--muted); margin-left: 6px; }
.flash { background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46; padding: 10px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 13px; }
.flash.error { background: #fef2f2; border-color: #fecaca; color: #991b1b; }

.btn { display: inline-block; border: 1px solid var(--line); background: var(--card); color: var(--text); padding: 7px 16px; border-radius: 7px; font-size: 13px; cursor: pointer; }
.btn:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); color: #fff; }
.btn.danger { background: var(--red); border-color: var(--red); color: #fff; }
.btn.block { width: 100%; margin-top: 20px; }
.btn.small { padding: 3px 10px; font-size: 12px; }
button.link { background: none; border: none; color: var(--primary); cursor: pointer; font-size: 14px; padding: 0; }
button.link.danger { color: var(--red); }
.inline { display: inline; }

/* 表单 */
input[type=text], input[type=url], input[type=password], select, textarea {
  width: 100%; padding: 8px 12px; border: 1px solid var(--line); border-radius: 7px; font-size: 14px; font-family: inherit; background: #fff;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
textarea { resize: vertical; line-height: 1.7; }
.form .form-item { margin-bottom: 14px; }
.form .form-item label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.form-row { display: flex; gap: 14px; } .form-row .form-item { flex: 1; } .form-row .form-item.small { flex: 0 0 240px; }
.form-actions { display: flex; gap: 10px; margin-top: 8px; }

/* 指标卡 */
.metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 18px; }
.metric { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.metric .label { font-size: 13px; color: var(--muted); }
.metric .num { font-size: 28px; font-weight: 700; margin: 4px 0 2px; }
.metric .num.warn { color: var(--amber); }
.metric .hint { font-size: 12px; color: var(--muted); }

/* 表格 */
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th { text-align: left; color: var(--muted); font-weight: 500; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.table td { padding: 9px 10px; border-bottom: 1px solid #f0f3f8; vertical-align: middle; }
.table tr:last-child td { border-bottom: none; }
.ellipsis { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sub-line { font-size: 12px; color: var(--muted); }
.mono { font-family: Consolas, monospace; font-size: 12px; color: var(--muted); }
.empty { text-align: center; color: var(--muted); padding: 24px 0 !important; }

/* 状态标签 */
.st { display: inline-block; padding: 2px 9px; border-radius: 10px; font-size: 12px; }
.st-draft { background: #f1f5f9; color: #64748b; }
.st-machine_checked { background: #eff6ff; color: #1d4ed8; }
.st-pending_review { background: #fffbeb; color: #b45309; }
.st-published { background: #ecfdf5; color: #047857; }
.st-rejected { background: #fef2f2; color: #b91c1c; }

.score { font-weight: 700; color: var(--primary); }
.score.big { font-size: 24px; }
.grade { font-size: 13px; color: var(--muted); margin-left: 8px; }
.warn-row td { background: #fffbeb; }

.risk { display: inline-block; padding: 2px 9px; border-radius: 10px; font-size: 12px; }
.risk-none { background: #f1f5f9; color: #64748b; }
.risk-low { background: #ecfdf5; color: #047857; }
.risk-mid { background: #fffbeb; color: #b45309; }
.risk-high { background: #fef2f2; color: #b91c1c; }
.hit { display: inline-block; background: #fef2f2; color: #b91c1c; font-size: 12px; padding: 1px 8px; border-radius: 6px; margin: 2px 4px 2px 0; }

/* 列表头 & 筛选 */
.list-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.filter { display: flex; gap: 10px; margin-bottom: 16px; }
.filter input { flex: 0 0 280px; }
.filter select { flex: 0 0 140px; }

/* 布局 */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } .form-row { flex-direction: column; } }

/* 趋势图 */
.trend { display: flex; align-items: flex-end; gap: 10px; height: 140px; padding: 10px 4px 0; }
.trend-item { flex: 1; display: flex; flex-direction: column; align-items: center; height: 100%; justify-content: flex-end; gap: 6px; }
.trend-item .bar { width: 100%; max-width: 42px; background: var(--primary); border-radius: 4px 4px 0 0; opacity: .85; }
.trend-item span { font-size: 11px; color: var(--muted); }

.md-preview { max-height: 420px; overflow: auto; font-size: 13px; color: #374151; white-space: pre-wrap; background: #f8fafc; border: 1px solid var(--line); border-radius: 8px; padding: 14px; }
.code { background: #0f172a; color: #e2e8f0; padding: 14px; border-radius: 8px; font-size: 12px; overflow: auto; margin-top: 10px; }
details summary { cursor: pointer; color: var(--primary); }