/* ============ Modbus 管理台 原型 - 样式 (冰蓝单主题) ============ */
* { margin:0; padding:0; box-sizing:border-box; }
[hidden]{ display:none !important; }
:root{
  --font: "Segoe UI", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --mono: "Cascadia Mono", Consolas, "Courier New", monospace;
  --r-sm:6px; --r-md:10px; --r-lg:14px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --shadow-md:0 6px 18px rgba(15,23,42,.08);
  --shadow-lg:0 18px 50px rgba(15,23,42,.18);
  --t-fast:.16s ease;
  --t-slow:.28s cubic-bezier(.4,0,.2,1);
  /* ===== 冰蓝（唯一主题，还原原型配色） ===== */
  --bg:#eef1f8; --bg-soft:#e6eaf3; --panel:#ffffff; --panel-2:#f7f9fd;
  --line:#dfe5f0; --line-2:#cfd8e6;
  --text:#14203a; --text-2:#4a5a78; --text-3:#8a97ad;
  --brand:#3145c9; --brand-2:#4f63e8; --brand-ink:#fff;
  --sidebar:#ffffff; --side-text:#3c4a68; --side-text-2:#7b8aa4; --side-active-bg:#eaf0ff; --side-active:#3145c9;
  --topbar:#ffffff;
  --ok:#0a9d6c; --ok-bg:#e6f7f1; --warn:#d97a06; --warn-bg:#fdf1e0; --err:#d6336c; --err-bg:#fdeaf0; --info:#2f6fed; --info-bg:#e8f0fe;
  --chip-bg:#edf1f8;
  --login-bg:linear-gradient(135deg,#22307a 0%,#3145c9 52%,#5b6ef2 100%);
  --login-card:#ffffff;
}
body{ font-family:var(--font); background:var(--bg); color:var(--text); font-size:14px; -webkit-font-smoothing:antialiased; }
/* ---------- 通用控件 ---------- */
button{ font-family:var(--font); cursor:pointer; border:none; }
.btn{ display:inline-flex; align-items:center; gap:6px; border-radius:var(--r-sm); padding:8px 14px; font-size:13px; font-weight:600; background:var(--chip-bg); color:var(--text); transition:var(--t-fast); }
.btn:hover{ filter:brightness(.97); }
.btn-primary{ background:var(--brand); color:var(--brand-ink); box-shadow:0 1px 0 rgba(0,0,0,.06); }
.btn-primary:hover{ background:var(--brand-2); }
.btn-ghost{ background:transparent; color:var(--text-2); }
.btn-ghost:hover{ background:var(--chip-bg); color:var(--text); }
.btn-danger-ghost{ background:transparent; color:var(--err); }
.btn-danger-ghost:hover{ background:var(--err-bg); }
.btn-sm{ padding:4px 9px; font-size:12px; border-radius:5px; }
.icon-btn{ display:inline-flex; align-items:center; justify-content:center; width:28px; height:28px; border-radius:6px; background:transparent; color:var(--text-2); transition:var(--t-fast); }
.icon-btn:hover{ background:var(--chip-bg); color:var(--text); }
.icon-btn.danger:hover{ background:var(--err-bg); color:var(--err); }
svg.i{ width:16px; height:16px; stroke:currentColor; fill:none; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; flex:none; }
#btnRegenId{ white-space:nowrap; flex:none; }
#fDevId{ min-width:0; flex:1 1 auto; }
.badge{ display:inline-flex; align-items:center; gap:5px; padding:2px 8px; border-radius:999px; font-size:11.5px; font-weight:600; }
.badge::before{ content:""; width:6px; height:6px; border-radius:50%; background:currentColor; }
.badge-ok{ background:var(--ok-bg); color:var(--ok); }
.badge-warn{ background:var(--warn-bg); color:var(--warn); }
.badge-err{ background:var(--err-bg); color:var(--err); }
.badge-info{ background:var(--info-bg); color:var(--info); }
.badge-plain{ background:var(--chip-bg); color:var(--text-2); }
.badge-plain::before{ display:none; }
.tag{ display:inline-flex; padding:1px 7px; border-radius:5px; font-size:11.5px; font-weight:600; background:var(--chip-bg); color:var(--text-2); font-family:var(--mono); }
/* ---------- 登录页 ---------- */
#loginView{ position:fixed; inset:0; background:var(--login-bg); display:flex; align-items:center; justify-content:center; z-index:50; }
.login-shell{ display:flex; width:min(920px,92vw); min-height:520px; border-radius:20px; overflow:hidden; box-shadow:var(--shadow-lg); }
.login-brand{ flex:1.1; padding:44px 40px; color:#fff; display:flex; flex-direction:column; justify-content:space-between; background:rgba(255,255,255,.10); backdrop-filter:blur(2px); }
.login-brand .brand-top{ display:flex; align-items:center; gap:10px; }
.login-brand h1{ font-size:24px; font-weight:700; letter-spacing:.5px; }
.login-brand .slogan{ margin-top:8px; font-size:14px; opacity:.82; line-height:1.7; }
.login-brand .feat{ list-style:none; margin-top:26px; display:grid; gap:12px; }
.login-brand .feat li{ display:flex; gap:10px; align-items:flex-start; font-size:13.5px; opacity:.9; }
.login-brand .feat .dot{ margin-top:6px; width:7px; height:7px; border-radius:50%; background:#fff; flex:none; opacity:.9; }
.login-brand .ver{ font-size:12px; opacity:.6; }
.login-card{ width:420px; background:var(--login-card); padding:46px 42px; display:flex; flex-direction:column; justify-content:center; }
.login-card .lc-title{ font-size:21px; font-weight:700; }
.login-card .lc-sub{ margin:6px 0 24px; font-size:13px; color:var(--text-3); }
.field{ margin-bottom:16px; }
.field label{ display:block; font-size:12.5px; font-weight:600; color:var(--text-2); margin-bottom:6px; }
.field label .req{ color:var(--err); margin-left:2px; }
.input, .select, .textarea{ width:100%; border:1px solid var(--line-2); background:var(--panel); color:var(--text); border-radius:var(--r-sm); padding:9px 12px; font-size:13.5px; font-family:var(--font); outline:none; transition:border-color var(--t-fast), box-shadow var(--t-fast); }
.input:focus, .select:focus, .textarea:focus{ border-color:var(--brand); box-shadow:0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent); }
.input::placeholder, .textarea::placeholder{ color:var(--text-3); }
.input[readonly]{ background:var(--panel-2); color:var(--text-3); }
.textarea{ resize:vertical; min-height:76px; line-height:1.6; }
.input-mono{ font-family:var(--mono); font-size:12.5px; }

.textarea-mono{ font-family:var(--mono); font-size:12px; }
.file-btn{ display:inline-flex; align-items:center; gap:6px; border:1px dashed var(--line-2); background:var(--panel); border-radius:var(--r-sm); padding:9px 12px; font-size:12.5px; font-weight:600; color:var(--text-2); cursor:pointer; transition:var(--t-fast); }
.file-btn:hover{ border-color:var(--brand); color:var(--brand); }
.file-btn input[type=file]{ display:none; }
.sftp-key-wrap .field:first-child{ margin-bottom:10px; }
.tcard.disabled-card{ opacity:.6; }
.tcard.disabled-card .grid .field,
.tcard.disabled-card .field,
.tcard.disabled-card .sftp-key-wrap,
.tcard.disabled-card .tr-actions .btn-ghost{ opacity:.55; }
.tcard.disabled-card .input,
.tcard.disabled-card .select,
.tcard.disabled-card .textarea,
.tcard.disabled-card .file-btn{ pointer-events:none; }
.tcard.disabled-card .tr-actions .btn-primary{ pointer-events:auto; }


.tcard-foot{ display:flex; align-items:center; justify-content:flex-end; gap:8px; padding:10px 16px; border-top:1px solid var(--line); background:var(--panel-2); }
.tcard-foot .tr-hint{ flex:1; font-size:12px; color:var(--text-3); margin-right:8px; text-align:left; }
.tcard-body .input:disabled, .tcard-body .select:disabled, .tcard-body .textarea:disabled{ background:var(--panel-2); color:var(--text-2); opacity:1; -webkit-text-fill-color:var(--text-2); cursor:not-allowed; }
.tcard-body .file-btn input:disabled + * { opacity:.6; }

.hint{ font-size:12px; color:var(--text-3); margin-top:5px; line-height:1.55; }
.login-actions{ display:flex; flex-direction:column; gap:12px; margin-top:8px; }
.login-actions .btn{ justify-content:center; padding:11px; font-size:14px; border-radius:8px; }
.login-error{ background:var(--err-bg); color:var(--err); font-size:12.5px; border-radius:6px; padding:8px 12px; margin-bottom:14px; display:none; }
/* ---------- 应用外壳 ---------- */
#appView{ display:none; height:100vh; }
.app{ display:grid; grid-template-columns:232px 1fr; height:100vh; }
.sidebar{ background:var(--sidebar); border-right:1px solid var(--line); display:flex; flex-direction:column; }
.side-logo{ display:flex; align-items:center; gap:10px; padding:18px 18px 16px; }
.side-logo .mark{ width:34px; height:34px; border-radius:9px; background:var(--brand); color:var(--brand-ink); display:flex; align-items:center; justify-content:center; font-weight:800; font-size:16px; font-family:var(--mono); }
.side-logo .t1{ font-size:14.5px; font-weight:700; line-height:1.2; }
.side-logo .t2{ font-size:11px; color:var(--text-3); margin-top:2px; }
.side-nav{ flex:1; padding:8px 10px; display:flex; flex-direction:column; gap:2px; }
.side-nav a{ display:flex; align-items:center; gap:11px; padding:10px 12px; border-radius:8px; color:var(--side-text-2); font-size:13.5px; text-decoration:none; font-weight:500; transition:var(--t-fast); position:relative; }
.side-nav a svg.i{ width:17px; height:17px; }
.side-nav a:hover{ color:var(--side-text); background:var(--side-active-bg); }
.side-nav a.active{ color:var(--side-active); background:var(--side-active-bg); font-weight:600; }
.side-sec{ font-size:11px; color:var(--side-text-2); padding:14px 12px 6px; letter-spacing:.5px; }
.side-foot{ padding:14px 16px; border-top:1px solid var(--line); display:flex; align-items:center; gap:10px; font-size:12px; color:var(--text-3); }
.main{ display:flex; flex-direction:column; min-width:0; overflow:hidden; }
.topbar{ height:58px; background:var(--topbar); border-bottom:1px solid var(--line); display:flex; align-items:center; justify-content:space-between; padding:0 22px; }
.top-title{ font-size:16px; font-weight:700; }
.top-crumb{ font-size:12px; color:var(--text-3); margin-top:1px; }
.top-right{ display:flex; align-items:center; gap:14px; }
.user-chip{ display:flex; align-items:center; gap:8px; padding:5px 8px; border-radius:8px; background:var(--chip-bg); font-size:13px; font-weight:600; }
.user-chip .ava{ width:26px; height:26px; border-radius:50%; background:var(--brand); color:var(--brand-ink); display:flex; align-items:center; justify-content:center; font-size:12px; font-weight:700; }
.content{ flex:1; overflow:auto; padding:22px; }
.page{ display:none; animation:fadein var(--t-slow); max-width:1280px; margin:0 auto; }
.page.active{ display:block; }
@keyframes fadein{ from{opacity:0; transform:translateY(4px);} to{opacity:1; transform:none;} }
/* ---------- 卡片/表格 ---------- */
.card{ background:var(--panel); border:1px solid var(--line); border-radius:var(--r-lg); box-shadow:var(--shadow-sm); }
.card-head{ display:flex; align-items:center; justify-content:space-between; gap:12px; padding:16px 18px; border-bottom:1px solid var(--line); }
.card-head h3{ font-size:14.5px; font-weight:700; display:flex; align-items:center; gap:8px; }
.card-head .desc{ font-size:12.5px; color:var(--text-3); margin-top:3px; font-weight:400; }
.card-body{ padding:16px 18px; }
.toolbar{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.page-head{ display:flex; align-items:flex-end; justify-content:space-between; margin-bottom:18px; gap:14px; flex-wrap:wrap; }
.page-head h2{ font-size:19px; font-weight:800; letter-spacing:.2px; }
.page-head .sub{ font-size:13px; color:var(--text-3); margin-top:5px; }
.table-wrap{ overflow:auto; }
table.tbl{ width:100%; border-collapse:collapse; font-size:13px; }
.tbl th{ text-align:left; font-size:11.5px; letter-spacing:.4px; color:var(--text-3); font-weight:700; text-transform:uppercase; padding:10px 12px; border-bottom:1px solid var(--line); white-space:nowrap; }
.tbl td{ padding:11px 12px; border-bottom:1px solid var(--line); vertical-align:middle; }
.tbl tbody tr{ transition:var(--t-fast); }
.tbl tbody tr:hover{ background:var(--panel-2); }
.tbl td .mono{ font-family:var(--mono); font-size:12px; color:var(--text-2); }
.tbl .row-actions{ display:flex; gap:2px; justify-content:flex-end; }
.tbl-empty{ text-align:center; padding:52px 0; color:var(--text-3); }
.tbl-empty .big{ font-size:34px; margin-bottom:10px; opacity:.55; }
.tbl-empty .t{ font-weight:600; color:var(--text-2); }
.empty-line{ width:66%; height:10px; border-radius:5px; background:var(--chip-bg); margin:8px auto 0; }
/* ---------- 表单网格 / 面板 ---------- */
.grid{ display:grid; gap:14px; }
.g2{ grid-template-columns:repeat(2,1fr); }
.g3{ grid-template-columns:repeat(3,1fr); }
.g4{ grid-template-columns:repeat(4,1fr); }
.form-panel{ display:none; margin-top:16px; }
.form-panel.open{ display:block; }
.form-box{ background:var(--panel); border:1px solid var(--line); border-radius:var(--r-lg); padding:18px; box-shadow:var(--shadow-sm); }
.form-box .fb-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; }
.form-box .fb-head h4{ font-size:14px; font-weight:700; }
.form-foot{ display:flex; justify-content:flex-end; gap:10px; margin-top:18px; }
.form-divider{ border:none; border-top:1px dashed var(--line-2); margin:16px 0; }
.switch{ position:relative; display:inline-flex; width:36px; height:20px; flex:none; }
.switch input{ opacity:0; width:0; height:0; }
.switch .track{ position:absolute; inset:0; background:var(--line-2); border-radius:999px; transition:var(--t-fast); }
.switch .track::after{ content:""; position:absolute; width:14px; height:14px; border-radius:50%; background:#fff; top:3px; left:3px; transition:var(--t-fast); box-shadow:0 1px 2px rgba(0,0,0,.25); }
.switch input:checked + .track{ background:var(--ok); }
.switch input:checked + .track::after{ transform:translateX(16px); }
.switch-row{ display:flex; align-items:center; justify-content:space-between; gap:10px; padding:10px 0; border-bottom:1px dashed var(--line); }
.switch-row:last-child{ border-bottom:none; }
.switch-row .l{ font-size:13px; }
.switch-row .l small{ display:block; color:var(--text-3); font-size:11.5px; margin-top:2px; }
/* ---------- 传输管理卡片 ---------- */
.tcard{ border:1px solid var(--line); border-radius:var(--r-lg); background:var(--panel); box-shadow:var(--shadow-sm); overflow:hidden; }
.tcard-head{ display:flex; align-items:center; gap:11px; padding:14px 16px; border-bottom:1px solid var(--line); background:var(--panel-2); }
.tcard-head .ic{ width:34px; height:34px; border-radius:9px; display:flex; align-items:center; justify-content:center; background:var(--brand); color:var(--brand-ink); }
.tcard-head .ic svg.i{ width:18px; height:18px; }
.tcard-head .nm{ font-weight:700; font-size:14px; }
.tcard-head .ds{ font-size:11.5px; color:var(--text-3); margin-top:2px; }
.tcard-body{ padding:16px; }
.tabs{ display:flex; gap:4px; background:var(--chip-bg); padding:3px; border-radius:9px; width:fit-content; }
.tabs button{ padding:7px 14px; border-radius:7px; font-size:13px; font-weight:600; color:var(--text-2); background:transparent; }
.tabs button.on{ background:var(--panel); color:var(--brand); box-shadow:var(--shadow-sm); }
/* ---------- 设置 ---------- */
.set-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.lic-box{ display:flex; gap:14px; align-items:flex-start; }
.lic-box .big{ font-size:15px; font-weight:700; }
.lic-row{ display:flex; justify-content:space-between; font-size:13px; padding:9px 0; border-bottom:1px dashed var(--line); }
.lic-row:last-child{ border-bottom:none; }
.lic-row .k{ color:var(--text-3); }
.lic-row .v{ font-weight:600; text-align:right; }
.kv-upload{ border:1.5px dashed var(--line-2); border-radius:var(--r-md); padding:22px; text-align:center; color:var(--text-3); font-size:13px; cursor:pointer; transition:var(--t-fast); }
.kv-upload:hover{ border-color:var(--brand); color:var(--brand); background:color-mix(in srgb, var(--brand) 6%, transparent); }
/* ---------- 弹窗 / toast ---------- */
.modal-mask{ position:fixed; inset:0; background:rgba(8,12,24,.45); backdrop-filter:blur(1px); display:none; align-items:center; justify-content:center; z-index:60; }
.modal-mask.open{ display:flex; }
.modal{ background:var(--panel); border-radius:var(--r-lg); width:min(680px,94vw); max-height:88vh; overflow:auto; box-shadow:var(--shadow-lg); animation:pop var(--t-slow); }
@keyframes pop{ from{opacity:0; transform:scale(.97) translateY(6px);} to{opacity:1; transform:none;} }
.modal-head{ display:flex; align-items:center; justify-content:space-between; padding:16px 20px; border-bottom:1px solid var(--line); position:sticky; top:0; background:var(--panel); }
.modal-head h4{ font-size:15px; }
.modal-body{ padding:18px 20px; }
.modal-foot{ display:flex; justify-content:flex-end; gap:10px; padding:14px 20px; border-top:1px solid var(--line); }
.toast-zone{ position:fixed; top:18px; right:18px; z-index:90; display:flex; flex-direction:column; gap:8px; }
.toast{ background:var(--panel); border:1px solid var(--line); border-left:3px solid var(--brand); border-radius:8px; padding:11px 16px; box-shadow:var(--shadow-md); font-size:13px; display:flex; gap:9px; align-items:center; animation:slidein .25s ease; }
.toast.ok{ border-left-color:var(--ok); } .toast.err{ border-left-color:var(--err); }
@keyframes slidein{ from{opacity:0; transform:translateX(12px);} to{opacity:1; transform:none;} }
.uuid{ font-family:var(--mono); font-size:12px; color:var(--text-2); }
.copyable{ display:inline-flex; align-items:center; gap:4px; }
.percent{ font-size:12px; color:var(--text-3); }
.muted{ color:var(--text-3); }
small.note{ color:var(--text-3); }
@media (max-width:1080px){ .set-grid,.g3,.g4{ grid-template-columns:1fr; } }

/* 数据总览页 */
.dot{ display:inline-block; width:8px; height:8px; border-radius:50%; flex:none; }
.dot-on{ background:var(--ok); box-shadow:0 0 0 3px color-mix(in srgb, var(--ok) 22%, transparent); }
.dot-off{ background:var(--err); box-shadow:0 0 0 3px color-mix(in srgb, var(--err) 18%, transparent); }
.dv-num{ font-family:var(--mono); font-size:15px; font-weight:700; font-variant-numeric:tabular-nums; color:var(--text); }
.trend-up{ color:var(--err); font-weight:700; }
.trend-down{ color:var(--ok); font-weight:700; }
.trend-flat{ color:var(--text); font-weight:700; }

/* 列表 / 卡片 切换 */
.seg{ display:inline-flex; border:1px solid var(--line); border-radius:var(--r-sm); overflow:hidden; background:var(--panel-2); }
.seg-btn{ padding:6px 12px; font-size:12.5px; font-weight:600; color:var(--text-2); background:transparent; transition:var(--t-fast); }
.seg-btn + .seg-btn{ border-left:1px solid var(--line); }
.seg-btn.active{ background:var(--brand); color:var(--brand-ink); }
.seg-btn:not(.active):hover{ background:var(--chip-bg); color:var(--text); }

/* 卡片展示 */
.data-cards{ display:grid; grid-template-columns:repeat(auto-fill,minmax(230px,1fr)); gap:14px; margin-top:8px; }
.dv-card{ display:flex; flex-direction:column; gap:8px; padding:14px 16px; background:var(--panel); border:1px solid var(--line); border-radius:var(--r-md); box-shadow:var(--shadow-sm); transition:var(--t-fast); }
.dv-card:hover{ box-shadow:var(--shadow-md); border-color:var(--line-2); }
.dv-card-top{ display:flex; justify-content:space-between; align-items:flex-start; gap:8px; }
.dv-card-top > div:first-child{ min-width:0; flex:1 1 auto; overflow:hidden; }
.dv-card-top > .badge{ white-space:nowrap; flex-shrink:0; }
.dv-card-name{ font-weight:700; font-size:13px; color:var(--text); line-height:1.3; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.dv-card-pt{ font-size:12px; color:var(--text-2); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.dv-card-val{ display:flex; align-items:baseline; gap:6px; min-height:40px; }
.dv-card-num{ font-family:var(--mono); font-size:30px; font-weight:800; font-variant-numeric:tabular-nums; color:var(--text); line-height:1.1; letter-spacing:.5px; }
.dv-card-unit{ font-size:13px; color:var(--text-3); }
.dv-card-meta{ display:flex; align-items:center; gap:6px; font-size:12px; color:var(--text-3); }
.dv-card-meta .trend-up,.dv-card-meta .trend-down,.dv-card-meta .trend-flat{ font-size:16px; }

/* 传输卡：预览 / 编辑 双态 */
.tcard:not(.editing) [data-role="form"]{ display:none; }
.tcard.editing .tr-preview{ display:none; }
.tr-preview{ display:block; padding:2px 0; }
.tr-preview .tr-pv{ display:flex; justify-content:space-between; align-items:baseline; gap:16px; padding:5px 0; border-bottom:1px dashed var(--line); font-size:12.5px; }
.tr-preview .tr-pv:last-child{ border-bottom:none; }
.tr-preview .k{ color:var(--text-3); flex:none; white-space:nowrap; }
.tr-preview .v{ color:var(--text-2); font-family:var(--mono); font-size:12px; text-align:right; word-break:break-all; max-width:72%; }

/* 全屏启动 / 保存操作遮罩 */
.fx-overlay{ position:fixed; inset:0; z-index:200; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:14px;
  background:rgba(12,26,46,.45); backdrop-filter:blur(2px); }
.fx-overlay.hidden{ display:none; }
.fx-spin{ width:38px; height:38px; border-radius:50%; border:3px solid rgba(255,255,255,.35); border-top-color:#fff;
  animation:fspin .8s linear infinite; }
.fx-card{ min-width:230px; padding:22px 26px; border-radius:12px; background:var(--panel); border:1px solid var(--line);
  box-shadow:var(--shadow-md); display:flex; flex-direction:column; align-items:center; gap:12px; }
.fx-card .fx-spin{ width:32px; height:32px; border-width:3px; border-color:color-mix(in srgb, var(--brand) 22%, transparent);
  border-top-color:var(--brand); }
.fx-txt{ font-size:13px; color:var(--text-2); }
@keyframes fspin{ to{ transform:rotate(360deg); } }

.xfer-bar {
  grid-column: 1 / -1;
  margin-top: 2px;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--panel-2, #f7f9fd);
  border: 1px solid var(--line, #dfe5f0);
  color: var(--text, #24303f);
  font-size: 13px;
  line-height: 1.5;
}
.xfer-bar.err { border-color: var(--err, #d6336c); background: rgba(214, 51, 108, .06); }

/* 点位表单：入库/告警规则折叠区 */
.sec{ margin-top:16px; padding-top:14px; border-top:1px dashed var(--line); }
.sec-head{ display:flex; align-items:center; gap:10px; margin-bottom:10px; font-weight:700; color:var(--brand); font-size:13.5px; }
.sec-head .sec-t{ display:flex; align-items:center; gap:8px; }
.sec-head .tag{ font-weight:400; }
.sec-body.hidden{ display:none; }
.help-btn{ width:20px; height:20px; border-radius:50%; border:1px solid var(--line-2); background:var(--panel-2); color:var(--text-3); font-size:12px; font-weight:700; line-height:1; display:inline-flex; align-items:center; justify-content:center; cursor:pointer; margin-left:2px; }
.help-btn:hover{ background:var(--brand); color:#fff; border-color:var(--brand); }
.help-block{ margin-bottom:12px; font-size:13px; color:var(--text-2); }
.help-block b{ display:block; color:var(--text); margin-bottom:4px; font-size:13.5px; }
.help-block ul{ margin:0; padding-left:18px; }
.help-block li{ margin:3px 0; }
.help-block p{ margin:4px 0 0; }

/* 告警中心 */
.alarm-stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:10px; margin-bottom:14px; }
.ast{ display:flex; align-items:center; gap:10px; min-height:66px; background:var(--panel-2); border:1px solid var(--line); border-radius:12px; padding:12px; }
.ast .ic{ flex:none; width:36px; height:36px; border-radius:10px; display:flex; align-items:center; justify-content:center; background:#fff; border:1px solid var(--line); }
.ast .ic svg{ width:18px; height:18px; }
.ast .n{ font-family:var(--mono); font-size:20px; font-weight:800; line-height:1; }
.ast .l{ color:var(--text-3); font-size:12px; margin-top:3px; }
.ast.c-red .n,.ast.c-red .ic{ color:var(--err); } .ast.c-red .ic{ background:var(--err-bg); }
.ast.c-yellow .n,.ast.c-yellow .ic{ color:var(--warn); } .ast.c-yellow .ic{ background:var(--warn-bg); }
.ast.c-green .n,.ast.c-green .ic{ color:var(--ok); } .ast.c-green .ic{ background:var(--ok-bg); }
.ast.c-blue .n,.ast.c-blue .ic{ color:var(--info); } .ast.c-blue .ic{ background:var(--info-bg); }
.alarm-tabs{ display:flex; gap:8px; margin-bottom:12px; }
#page-alarm .card > .alarm-stats{ padding:16px 18px 0; }
#page-alarm .card > .alarm-tabs{ padding:0 18px; margin-top:12px; }
#page-alarm #alarmRulesWrap table,
#page-alarm #alarmEventsWrap table{ margin:0 18px; width:calc(100% - 36px); }
#page-alarm #alarmEventsWrap .toolbar{ padding:0 18px; margin-bottom:12px; }
#page-alarm #alarmRulesWrap, #page-alarm #alarmEventsWrap{ margin-top:10px; }
#page-alarm #alarmRulesWrap, #page-alarm #alarmEventsWrap{ min-height:360px; }
#page-alarm .alarm-pager{ display:flex; align-items:center; justify-content:flex-end; gap:10px; padding:0 18px; margin-top:6px; }
#page-alarm .tbl th{ border-top:1px solid var(--line); }
.batch-btn{ display:inline-flex; align-items:center; gap:4px; padding:4px 12px; border:1px solid var(--line); border-radius:7px; background:var(--panel-2); color:var(--text-2); font-size:12px; font-weight:600; cursor:pointer; transition:var(--t-fast); }
.batch-btn:hover{ background:var(--chip-bg); color:var(--text); }
.batch-btn[data-batch="ack"]{ color:var(--info); border-color:#bcd0fb; background:#eef4ff; }
.batch-btn[data-batch="resolve"]{ color:var(--ok); border-color:#bfe8d8; background:#f0faf6; }
.batch-btn[data-batch="ignore"]{ color:var(--text-3); }
.alarm-tabs .tab{ padding:7px 16px; border:1px solid var(--line); border-radius:8px; background:var(--panel-2); color:var(--text-2); font-weight:600; font-size:12.5px; cursor:pointer; }
.alarm-tabs .tab.active{ background:var(--brand); color:var(--brand-ink); border-color:var(--brand); }
.act{ background:transparent; border:1px solid var(--line); border-radius:6px; padding:4px 9px; font-size:12px; color:var(--text-2); cursor:pointer; margin-right:5px; white-space:nowrap; }
.act.blue{ color:var(--info); border-color:#bcd0fb; background:#eef4ff; }
.act.green{ color:var(--ok); border-color:#bfe8d8; background:#f0faf6; }
.act.gray{ color:var(--text-3); }
.act[disabled]{ opacity:.4; cursor:not-allowed; }
.link{ color:var(--brand); font-weight:600; cursor:pointer; text-decoration:none; }
.link:hover{ text-decoration:underline; }
.pt-count{ color:var(--brand); font-weight:600; cursor:pointer; text-decoration:none; }
.pt-count:hover{ text-decoration:underline; }
.pt-count.zero{ color:var(--text-3); }
.chk-c{ width:16px; height:16px; accent-color:var(--brand); }

/* 历史趋势 */
.chart-box{ min-height:340px; display:flex; align-items:center; justify-content:center; color:var(--text-3); font-size:13px; }
.chart-box svg{ width:100%; height:340px; display:block; }
.chart-axis{ font-family:var(--mono); font-size:11px; fill:var(--text-3); }
.chart-grid{ stroke:var(--line); }
.htbl{ width:100%; border-collapse:collapse; font-size:12.5px; }
.htbl th,.htbl td{ border-bottom:1px solid var(--line); padding:8px 10px; text-align:left; }
.htbl th{ color:var(--text-3); font-weight:600; background:var(--panel-2); }
.pager{ display:flex; align-items:center; justify-content:flex-end; gap:10px; margin-top:10px; }
.pager-btn{ padding:4px 12px; border:1px solid var(--line); border-radius:6px; background:var(--panel-2); color:var(--text-2); font-size:12px; cursor:pointer; }
.pager-btn:disabled{ opacity:.4; cursor:not-allowed; }
.pager-info{ color:var(--text-3); font-size:12px; }
.hist-btn{ display:inline-flex; align-items:center; gap:4px; margin-left:6px; padding:2px 8px; border:1px solid var(--line); border-radius:8px; background:var(--panel-2); color:var(--brand); font-size:12px; font-weight:600; text-decoration:none; cursor:pointer; }
.hist-btn:hover{ background:#eaf0ff; }
.demo-link{ display:block; text-align:center; margin-top:14px; font-size:13px; font-weight:600; color:var(--brand); text-decoration:none; cursor:pointer; }
.demo-link:hover{ text-decoration:underline; }
.demo-banner{ display:flex; align-items:center; gap:8px; margin:12px 24px 0; padding:10px 16px; border-radius:10px; background:rgba(245,158,11,.12); border:1px solid rgba(245,158,11,.35); color:#8a5a00; font-size:13px; font-weight:600; }
.demo-banner .i{ width:16px; height:16px; flex:none; }
body.demo-readonly .btn:not([disabled]){ opacity:.6; }
body.demo-readonly button[type="submit"]{ pointer-events:none; }
.nav-badge{ display:inline-flex; align-items:center; justify-content:center; min-width:16px; height:16px; padding:0 4px; margin-left:6px; border-radius:999px; background:var(--err); color:#fff; font-size:11px; font-weight:700; line-height:1; }
.dev-flash{ background:#eaf0ff !important; box-shadow:0 0 0 3px rgba(49,69,201,.25); transition:background .3s; }