:root {
  color-scheme: light;
  --bg: #f4f5f7; --panel: #ffffff; --line: #e5e7eb; --line-2: #eef0f3; --text: #1b1f27; --sub: #626b78; --faint: #98a0ab;
  --accent: #1f6feb; --accent-soft: #e8f0fe; --amber: #b45309; --amber-soft: #fef3e2; --green: #15803d; --green-soft: #e7f6ec;
  --red: #c62828; --red-soft: #fdecea; --gray-soft: #f0f1f3; --side: #1c2230; --side-text: #c5ccd8; --side-on: #ffffff; --side-hl: #2a3446;
  --shadow: 0 10px 30px rgba(20, 24, 32, .10);
  /* 图表：固定给每类数据的颜色，不按名次换（自然播放=蓝、买量=橙、投流=青） */
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --s5: #e87ba4; --s6: #008300; --s7: #6250d6; --s8: #e34948;
  --good: #0ca30c; --warn: #fab219; --serious: #ec835a; --critical: #d03b3b;
  --grid: #e9ebee;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #14161a; --panel: #1c1f24; --line: #2c3037; --line-2: #262a30; --text: #e8eaed; --sub: #a0a7b1; --faint: #737a85;
    --accent: #6ea8fe; --accent-soft: #1d2d47; --amber: #f5b35c; --amber-soft: #3a2a14; --green: #6fcf8e; --green-soft: #16301f;
    --red: #f28b82; --red-soft: #3c1f1e; --gray-soft: #262a30; --side: #111419; --side-text: #aab2bf; --side-on: #fff; --side-hl: #232a36;
    --shadow: 0 10px 30px rgba(0, 0, 0, .5);
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
    --grid: #2a2e35;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #14161a; --panel: #1c1f24; --line: #2c3037; --line-2: #262a30; --text: #e8eaed; --sub: #a0a7b1; --faint: #737a85;
  --accent: #6ea8fe; --accent-soft: #1d2d47; --amber: #f5b35c; --amber-soft: #3a2a14; --green: #6fcf8e; --green-soft: #16301f;
  --red: #f28b82; --red-soft: #3c1f1e; --gray-soft: #262a30; --side: #111419; --side-text: #aab2bf; --side-on: #fff; --side-hl: #232a36;
  --shadow: 0 10px 30px rgba(0, 0, 0, .5);
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
  --grid: #2a2e35;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 14px/1.5 -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: 1px solid var(--line); background: var(--panel); border-radius: 8px; padding: 6px 12px; }
button:hover { border-color: var(--faint); }
button:disabled { opacity: .5; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { color: var(--red); }
button.small { padding: 3px 9px; font-size: 12px; border-radius: 6px; }
input[type=text], input[type=password], input[type=search], input[type=number], input[type=date], input[type=datetime-local], input[type=url], select, textarea {
  border: 1px solid var(--line); background: var(--panel); border-radius: 8px; padding: 7px 10px; outline: none; max-width: 100%;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
select.small, input.small { padding: 3px 6px; font-size: 12px; border-radius: 6px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.hidden { display: none !important; }
.muted { color: var(--sub); }
.faint { color: var(--faint); }
.tiny { font-size: 12px; }
.nowrap { white-space: nowrap; }
.num { font-variant-numeric: tabular-nums; }
.right { text-align: right; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1; }
.mt { margin-top: 14px; }

/* 登录 */
.login { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login form { width: 100%; max-width: 340px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 26px 24px; display: grid; gap: 12px; }
.login h1 { margin: 0 0 4px; font-size: 20px; }
.login input { width: 100%; }
.login .err { color: var(--red); min-height: 20px; font-size: 13px; }

/* 布局 */
.app { display: grid; grid-template-columns: 216px 1fr; min-height: 100vh; }
.side { background: var(--side); color: var(--side-text); padding: 18px 12px; position: sticky; top: 0; height: 100vh; overflow: auto; }
.side .brand { color: var(--side-on); font-weight: 700; font-size: 16px; padding: 4px 10px 14px; display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.side .brand small { color: var(--side-text); font-weight: 400; font-size: 11px; display: block; }
.side nav a { display: flex; align-items: center; gap: 9px; padding: 9px 10px; border-radius: 8px; color: var(--side-text); margin-bottom: 2px; }
.side nav a:hover { background: var(--side-hl); text-decoration: none; }
.side nav a.on { background: var(--side-hl); color: var(--side-on); font-weight: 600; }
.side nav a .ic { width: 20px; text-align: center; }
.side .foot { margin-top: 18px; padding: 10px; font-size: 11px; color: var(--faint); line-height: 1.6; }
.side .foot a { color: var(--side-text); }
.main { min-width: 0; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 22px; border-bottom: 1px solid var(--line); background: var(--panel); position: sticky; top: 0; z-index: 5; }
.topbar h1 { margin: 0; font-size: 18px; }
.topbar .acts { display: flex; gap: 8px; align-items: center; color: var(--sub); font-size: 12px; flex-wrap: wrap; }
.view { padding: 18px 22px 80px; max-width: 1400px; }
@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .side { position: static; height: auto; padding: 10px 8px; }
  .side .brand { padding-bottom: 8px; }
  .side nav { display: flex; overflow-x: auto; gap: 2px; }
  .side nav a { white-space: nowrap; padding: 7px 10px; }
  .side .foot { display: none; }
  .topbar { padding: 10px 16px; }
  .view { padding: 12px 16px 60px; }
}

/* 卡片、统计 */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin-bottom: 14px; }
.card h2 { margin: 0 0 10px; font-size: 15px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.card h2 .sub { font-weight: 400; color: var(--sub); font-size: 12px; }
.card h2 .acts { margin-left: auto; display: flex; gap: 6px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 14px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; min-width: 0; }
.stat .lbl { color: var(--sub); font-size: 12px; }
.stat .val { display: block; font-size: 22px; line-height: 1.3; font-weight: 600; }
.stat .delta { font-size: 12px; color: var(--sub); }
.stat .delta.up { color: var(--green); }
.stat .delta.down { color: var(--red); }
.stat svg { display: block; margin-top: 4px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
@media (max-width: 1000px) { .grid2, .grid3 { grid-template-columns: 1fr; } }

/* 系统入口卡片 */
.syscards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 10px; }
.syscard { display: flex; gap: 10px; align-items: flex-start; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; color: inherit; position: relative; }
.syscard:hover { border-color: var(--accent); text-decoration: none; box-shadow: var(--shadow); }
.syscard .ic { font-size: 22px; width: 30px; text-align: center; }
.syscard b { display: block; font-size: 14px; }
.syscard .d { color: var(--sub); font-size: 12px; line-height: 1.45; margin-top: 2px; }
.syscard .u { color: var(--faint); font-size: 11px; margin-top: 4px; word-break: break-all; }
.syscard .dot { position: absolute; right: 10px; top: 10px; width: 8px; height: 8px; border-radius: 50%; background: var(--faint); }
.syscard .dot.ok { background: var(--good); }
.syscard .dot.bad { background: var(--critical); }
.syscard .edit { position: absolute; right: 8px; bottom: 8px; }
.grp-title { font-size: 13px; color: var(--sub); margin: 16px 0 8px; font-weight: 600; }
.grp-title:first-child { margin-top: 0; }

/* 表格 */
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th, .tbl td { padding: 7px 8px; border-top: 1px solid var(--line-2); text-align: left; vertical-align: middle; }
.tbl th { color: var(--sub); font-weight: 600; font-size: 12px; border-top: 0; white-space: nowrap; }
.tbl th.sortable { cursor: pointer; }
.tbl th.sortable:hover { color: var(--text); }
.tbl th.on { color: var(--accent); }
.tbl td.n, .tbl th.n { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tbl tr.click { cursor: pointer; }
.tbl tr.click:hover td { background: var(--gray-soft); }
.tbl .sub { color: var(--sub); font-size: 11px; display: block; }
.tblwrap { overflow-x: auto; }
.cover { width: 72px; height: 45px; object-fit: cover; border-radius: 6px; background: var(--gray-soft); display: block; }
.cover.lg { width: 240px; height: 150px; border-radius: 10px; }
.cover.sm { width: 48px; height: 30px; border-radius: 4px; }
.title-cell { min-width: 260px; max-width: 460px; }
.title-cell .t { font-weight: 600; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.35; }
.chips { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 3px; }
.chip { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 999px; background: var(--gray-soft); color: var(--sub); white-space: nowrap; }
.chip.auto { border: 1px dashed var(--line); background: transparent; }
.chip.acc { background: var(--accent-soft); color: var(--accent); }
.chip.warn { background: var(--amber-soft); color: var(--amber); }
.chip.bad { background: var(--red-soft); color: var(--red); }
.chip.good { background: var(--green-soft); color: var(--green); }
.badge { font-size: 11px; padding: 1px 6px; border-radius: 6px; background: var(--gray-soft); color: var(--sub); }

/* 筛选条 */
.bar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.bar input[type=search] { min-width: 200px; flex: 1; }
.bar label { display: flex; align-items: center; gap: 4px; color: var(--sub); font-size: 12px; white-space: nowrap; }
.toggle { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; color: var(--sub); cursor: pointer; }

/* 图表 */
.chart { position: relative; width: 100%; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--sub); margin-bottom: 6px; }
.chart .legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.chart .tip { position: absolute; pointer-events: none; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 6px 9px; font-size: 12px; box-shadow: var(--shadow); white-space: nowrap; z-index: 3; display: none; }
.chart .tip b { display: block; margin-bottom: 2px; }
.chart .tip i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 5px; }
.chart text { font-size: 11px; fill: var(--sub); }
.chart .grid line { stroke: var(--grid); stroke-width: 1; }
.chart .axis { stroke: var(--line); stroke-width: 1; }
.chart .hit { fill: transparent; }
.chart .crosshair { stroke: var(--faint); stroke-width: 1; display: none; }
.chart .label { fill: var(--text); font-size: 11px; }
.barsh .bar-row { display: grid; grid-template-columns: minmax(120px, 36%) 1fr 70px; gap: 8px; align-items: center; padding: 3px 0; font-size: 12px; }
.barsh .bar-row .lbl { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.barsh .bar-row .lbl a { color: inherit; }
.barsh .track { height: 18px; position: relative; }
.barsh .fill { height: 18px; border-radius: 0 4px 4px 0; background: var(--s1); min-width: 2px; }
.barsh .v { text-align: right; font-variant-numeric: tabular-nums; }

/* 表单、弹窗 */
.modal-bg { position: fixed; inset: 0; background: rgba(0, 0, 0, .45); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 16px; }
.modal { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; width: 100%; max-width: 560px; max-height: 92vh; overflow: auto; box-shadow: var(--shadow); }
.modal h3 { margin: 0 0 12px; font-size: 16px; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; }
.form label { display: grid; gap: 4px; font-size: 12px; color: var(--sub); }
.form label.full { grid-column: 1 / -1; }
.form label.chk { grid-auto-flow: column; justify-content: start; align-items: center; }
.form input, .form select, .form textarea { width: 100%; }
.form .acts { grid-column: 1 / -1; display: flex; gap: 8px; justify-content: flex-end; align-items: center; margin-top: 4px; }
.form .err { color: var(--red); font-size: 12px; margin-right: auto; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; font-size: 13px; }
.kv dt { color: var(--sub); }
.kv dd { margin: 0; }
.tagsel { display: flex; gap: 6px; flex-wrap: wrap; }
.tagsel label { display: flex; align-items: center; gap: 4px; font-size: 12px; color: var(--sub); }
.empty { color: var(--faint); padding: 20px; text-align: center; }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 8px 14px; border-radius: 10px; font-size: 13px; z-index: 60; box-shadow: var(--shadow); }
.hero { font-size: 48px; font-weight: 600; line-height: 1.1; }
details.grp summary { cursor: pointer; padding: 6px 0; color: var(--sub); font-size: 13px; }
.vlist { display: grid; gap: 4px; margin: 6px 0 10px; }
.vlist a { display: grid; grid-template-columns: 48px 1fr max-content; gap: 8px; align-items: center; color: inherit; font-size: 12px; }
.conclusion { background: var(--accent-soft); border-radius: 10px; padding: 10px 14px; margin-bottom: 12px; font-size: 13px; }

.tbl td.nowrap, .tbl th.nowrap { white-space: nowrap; }

/* 首页待办 */
.todo-row { display: grid; grid-template-columns: 48px minmax(0, 1fr) max-content max-content; gap: 10px; align-items: center; padding: 8px 0; border-top: 1px solid var(--line-2); }
.todo-row:first-of-type { border-top: 0; }
.todo-t { color: inherit; font-weight: 600; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 860px) { .todo-row { grid-template-columns: 48px minmax(0, 1fr); } .todo-row > .chip { grid-column: 2; justify-self: start; } .todo-row > .row { grid-column: 2; } }