/* =============================================================
   智链导航 · 后台样式
   ============================================================= */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --theme: #2563eb; --theme-dark: #1d4ed8;
  --bg: #f1f5f9; --card: #fff; --text: #1f2937; --muted: #6b7280; --border: #e5e7eb;
}
body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.6; }
a { color: var(--theme); text-decoration: none; }
ul { list-style: none; }

.admin-body { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 220px; background: #0f172a; color: #cbd5e1; flex-shrink: 0;
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.admin-logo { padding: 20px 18px; font-size: 18px; font-weight: 700; color: #fff; border-bottom: 1px solid #1e293b; }
.admin-logo span { font-size: 12px; background: var(--theme); border-radius: 4px; padding: 2px 6px; margin-left: 6px; }
.admin-nav { flex: 1; padding: 12px 0; }
.admin-nav a { display: flex; align-items: center; gap: 10px; padding: 11px 20px; color: #cbd5e1; font-size: 14px; transition: .15s; }
.admin-nav a:hover { background: #1e293b; color: #fff; }
.admin-nav a.active { background: var(--theme); color: #fff; }
.nav-ic { font-size: 16px; }

.admin-main { flex: 1; min-width: 0; }
.admin-topbar {
  height: 56px; background: #fff; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; padding: 0 20px;
  position: sticky; top: 0; z-index: 10;
}
.admin-crumb { font-weight: 600; }
.admin-user { display: flex; align-items: center; gap: 16px; color: var(--muted); }
.admin-user .logout { color: #dc2626; }
.admin-content { padding: 20px; }

.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.page-head h2 { font-size: 20px; }
.page-head-actions { display: flex; gap: 8px; align-items: center; }
.page-head-actions .btn { white-space: nowrap; }
.empty-tip { padding: 36px 16px; text-align: center; color: #6b7280; }
.empty-tip p:first-child { font-size: 16px; margin-bottom: 10px; }
.usage-bar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.usage-bar b { color: var(--theme); }
.spinner { display: inline-block; width: 12px; height: 12px; border: 2px solid #93c5fd; border-top-color: #2563eb; border-radius: 50%; animation: spin 0.8s linear infinite; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }
.panel { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 18px; margin-bottom: 18px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.panel-head h3 { font-size: 15px; }
.link { font-size: 13px; }

/* 统计卡片 */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
@media (max-width: 1000px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 18px; display: flex; flex-direction: column; }
.stat-card b { font-size: 28px; color: var(--theme); }
.stat-card.ok b { color: #16a34a; } .stat-card.warn b { color: #f59e0b; } .stat-card.bad b { color: #dc2626; }
.stat-card span { color: var(--muted); font-size: 13px; }

.dash-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
@media (max-width: 1000px) { .dash-cols { grid-template-columns: 1fr; } }
.rank-num { font-weight: 700; color: var(--theme); }

/* 表格 */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 11px 12px; border-bottom: 1px solid var(--border); text-align: left; }
.table th { color: var(--muted); font-weight: 500; font-size: 13px; background: #f8fafc; }
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: #f8fafc; }
.cell-site b { display: block; }
.cell-site span { font-size: 12px; }
.cell-title { max-width: 320px; }
.ops { white-space: nowrap; }
.ops a { margin-right: 10px; font-size: 13px; }
.ops a.danger { color: #dc2626; }

/* 筛选 */
.filter-bar { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.chip { padding: 6px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--border); color: var(--muted); font-size: 13px; }
.chip.active { background: var(--theme); color: #fff; border-color: var(--theme); }
.inline-search { display: flex; gap: 6px; margin-left: auto; }
.inline-search input { padding: 6px 12px; border: 1px solid var(--border); border-radius: 8px; outline: none; }

/* 表单 */
.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-weight: 500; margin-bottom: 6px; font-size: 13px; }
.form-row label em { color: #dc2626; font-style: normal; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; outline: none; font-family: inherit;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { border-color: var(--theme); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 16px; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.form-col-2 { grid-column: span 2; }
.form-actions { margin-top: 18px; display: flex; gap: 10px; align-items: center; }
.form-title { font-size: 15px; margin: 4px 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.inline-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.inline-form input, .inline-form select { padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; }
.editor { font-family: inherit; line-height: 1.7; }

.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 8px;
  border: 1px solid var(--border); background: #fff; color: var(--text); cursor: pointer; font-size: 14px; transition: .15s;
}
.btn:hover { border-color: var(--theme); color: var(--theme); }
.btn-primary { background: var(--theme); border-color: var(--theme); color: #fff; }
.btn-primary:hover { background: var(--theme-dark); color: #fff; }
.btn-danger { background: #dc2626; border-color: #dc2626; color: #fff; }
.btn-danger:hover { background: #b91c1c; color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

details.pay-driver { background: #f9fafb; border: 1px solid var(--border); border-radius: 8px; padding: 8px 14px; margin: 14px 0 0; }
details.pay-driver > summary { cursor: pointer; font-size: 15px; padding: 6px 0; }
details.pay-driver[open] > summary { margin-bottom: 8px; }
details.pay-driver textarea { width: 100%; padding: 8px; border: 1px solid var(--border); border-radius: 6px; font-family: ui-monospace, "Cascadia Code", "Menlo", monospace; font-size: 12px; }
details.pay-driver small { color: var(--muted); }
details.pay-driver small code { background: #1f2937; color: #e5e7eb; padding: 1px 6px; border-radius: 4px; font-size: 11px; }

/* 看板图表 */
.chart-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 14px; }
.chart-panel { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 12px; min-height: 200px; }
.chart-panel h4 { font-size: 13px; color: var(--muted); margin-bottom: 8px; font-weight: 700; }
.chart-panel svg { max-width: 100%; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 8px 14px; padding: 0 4px 4px; font-size: 12px; color: #334155; }
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.legend-item i.lg-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.legend-item b { font-weight: 700; color: #0f172a; }
.type-bars { padding: 4px; }
.type-row { display: grid; grid-template-columns: 100px 1fr 50px; align-items: center; gap: 10px; padding: 6px 0; font-size: 13px; }
.type-name { color: #475569; }
.type-bar-bg { background: #f1f5f9; border-radius: 4px; height: 18px; overflow: hidden; }
.type-bar-fill { height: 100%; transition: width 600ms ease; }
.type-num { text-align: right; color: #0f172a; font-weight: 700; }
.chart-updated { color: #94a3b8; font-size: 12px; margin-top: 8px; }

/* 标签 */
.tag { display: inline-block; padding: 2px 10px; background: #eef2ff; color: var(--theme); border-radius: 999px; font-size: 12px; }
.tag.ok { background: #ecfdf5; color: #047857; }
.tag.warn { background: #fffbeb; color: #b45309; }
.tag.ai { background: #fdf4ff; color: #a21caf; }
.tag.danger { background: #fef2f2; color: #b91c1c; }
.status-approved { background: #ecfdf5; color: #047857; }
.status-pending { background: #fffbeb; color: #b45309; }
.status-rejected { background: #fef2f2; color: #b91c1c; }
.status-manual { background: #eef2ff; color: #4f46e5; }
.score-num { font-weight: 700; color: var(--theme); }
.score-high { color: #16a34a; } .score-mid { color: #f59e0b; } .score-low { color: #dc2626; }

/* 提示框 */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; }
.alert-success { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.alert-danger { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

/* 审核页 */
.audit-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 900px) { .audit-cols { grid-template-columns: 1fr; } }
.info-table { width: 100%; border-collapse: collapse; }
.info-table th, .info-table td { padding: 9px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.info-table th { width: 90px; color: var(--muted); font-weight: 500; }
.step-item { padding: 10px 0; border-bottom: 1px dashed var(--border); }
.step-head { display: flex; justify-content: space-between; align-items: center; }
.step-name { font-weight: 600; }
.step-score { color: var(--theme); font-weight: 700; }
.step-flag { font-size: 12px; padding: 2px 8px; border-radius: 6px; }
.step-flag.ok { background: #ecfdf5; color: #047857; }
.step-flag.bad { background: #fef2f2; color: #b91c1c; }
.step-notes { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.step-notes span { font-size: 12px; color: var(--muted); background: #f3f4f6; padding: 2px 8px; border-radius: 6px; }
.step-notes.danger span { background: #fef2f2; color: #b91c1c; }
.audit-form { display: flex; gap: 8px; margin-top: 16px; }
.audit-form input[type=text] { flex: 1; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; }

/* 分页 */
.pagination { display: flex; gap: 6px; justify-content: center; padding: 16px 0; }
.pagination a, .pagination span { min-width: 32px; height: 32px; display: inline-flex; align-items: center; justify-content: center; padding: 0 8px; border-radius: 8px; border: 1px solid var(--border); background: #fff; font-size: 13px; }
.pagination a:hover { border-color: var(--theme); color: var(--theme); }
.pagination .cur { background: var(--theme); border-color: var(--theme); color: #fff; }

/* 登录页 */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, #1e3a8a, #2563eb); }
.login-card { background: #fff; border-radius: 16px; padding: 40px; width: 360px; box-shadow: 0 20px 60px rgba(0,0,0,.2); }
.login-logo { font-size: 26px; text-align: center; color: var(--theme); }
.login-sub { text-align: center; color: var(--muted); margin: 6px 0 24px; }
.login-form .form-row input { width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 8px; }
.btn-block { width: 100%; padding: 12px; font-size: 15px; }

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

/* Logo 上传 */
.logo-uploader { display: grid; grid-template-columns: 100px 1fr; gap: 12px; align-items: center; }
.logo-preview { width: 100px; height: 100px; border: 1px dashed var(--border); border-radius: 10px; background: #f9fafb; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.logo-preview img { max-width: 100%; max-height: 100%; object-fit: contain; }
.logo-controls { display: flex; flex-direction: column; gap: 6px; }
.logo-controls input[type="text"] { width: 100%; padding: 7px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 12px; }
.logo-file-row { display: flex; flex-direction: column; gap: 3px; padding: 8px 10px; background: #f9fafb; border: 1px dashed var(--border); border-radius: 6px; }
.logo-file-row input[type="file"] { font-size: 12px; }
.logo-action-row { display: flex; gap: 6px; }
.form-col-2 { grid-column: span 2; }

/* 缓存状态条（仪表盘 / 运维工具页共用） */
.cache-strip { display: flex; flex-wrap: wrap; gap: 18px; padding: 6px 0 14px; color: var(--muted); }
.cache-strip b { color: var(--text, #1f2937); font-weight: 700; margin-right: 3px; }
.cache-form-inline { margin-top: 8px; }
.cache-form-inline .btn { padding: 7px 18px; font-weight: 600; }
.btn-danger { background: #fee2e2; color: #b91c1c; border: 1px solid #fecaca; }
.btn-danger:hover { background: #fecaca; color: #7f1d1d; }
.details details summary { cursor: pointer; }

/* =============================================================
   响应式适配（修复Bug3：后台电脑/平板/手机适配）
   ============================================================= */

/* 移动端菜单按钮 */
.sidebar-toggle {
  display: none;
  background: none; border: none; font-size: 20px; cursor: pointer;
  padding: 6px 10px; color: var(--text); border-radius: 6px;
}
.sidebar-toggle:hover { background: #f1f5f9; }

/* 遮罩层 */
.sidebar-mask {
  display: none;
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,.45); z-index: 90;
}

/* 平板（≤1024px） */
@media (max-width: 1024px) {
  .admin-sidebar { width: 64px; }
  .admin-logo { padding: 16px 8px; text-align: center; font-size: 14px; }
  .admin-logo span { display: none; }
  .admin-nav a { padding: 12px 0; justify-content: center; }
  .admin-nav a span:last-child { display: none; }
  .nav-ic { font-size: 20px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .dash-cols { grid-template-columns: 1fr; }
  .chart-grid { grid-template-columns: 1fr 1fr !important; }
}

/* 手机（≤768px） */
@media (max-width: 768px) {
  .sidebar-toggle { display: inline-block; }
  .admin-sidebar {
    position: fixed; top: 0; left: -240px; bottom: 0;
    width: 240px; z-index: 100; transition: left .25s ease;
    height: 100vh; overflow-y: auto;
  }
  .admin-sidebar.open { left: 0; }
  .admin-logo { padding: 20px 18px; text-align: left; font-size: 18px; }
  .admin-logo span { display: inline; }
  .admin-nav a { padding: 11px 20px; justify-content: flex-start; }
  .admin-nav a span:last-child { display: inline; }
  .nav-ic { font-size: 16px; }
  .admin-main { width: 100%; }
  .admin-topbar { padding: 0 12px; gap: 8px; }
  .admin-crumb { font-size: 14px; }
  .admin-user { gap: 8px; font-size: 12px; }
  .admin-user a { font-size: 12px; }
  .admin-content { padding: 12px; }
  .page-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .page-head h2 { font-size: 17px; }
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card { padding: 14px; }
  .stat-card b { font-size: 22px; }
  .panel { padding: 14px; border-radius: 10px; }
  /* 表格横向滚动 */
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .table { min-width: 600px; font-size: 13px; }
  .table th, .table td { padding: 8px 10px; }
  .filter-bar { gap: 6px; }
  .chip { padding: 5px 10px; font-size: 12px; }
  .chart-grid { grid-template-columns: 1fr !important; }
  .form-row { grid-template-columns: 1fr !important; }
  .logo-uploader { grid-template-columns: 80px 1fr; }
  .usage-bar { gap: 8px; }
}

/* 小屏手机（≤480px） */
@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
  .admin-user span { display: none; }
  .admin-topbar .admin-crumb { font-size: 13px; }
  .btn { padding: 7px 12px; font-size: 12px; }
  .page-head-actions { flex-wrap: wrap; }
  .table { min-width: 520px; font-size: 12px; }
  .ops a { margin-right: 6px; font-size: 12px; }
}

/* 侧边栏打开时显示遮罩 */
body.sidebar-open .sidebar-mask { display: block; }