:root {
  --navy: #1f3a5f;
  --navy-2: #16324f;
  --accent: #2b6cb0;
  --bg: #eef2f6;
  --card: #ffffff;
  --text: #1f1f1f;
  --muted: #5a6570;
  --line: #d5dde6;
  --green: #1b8a5a;
  --red: #c62828;
  --orange: #d4691a;
  --yellow: #c9a227;
  --gray: #8a93a0;
  --shadow: 0 1px 2px rgba(31, 58, 95, 0.06);
  --side: 232px;
  --top: 56px;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; font: 14px/1.45 "Microsoft YaHei", "PingFang SC", sans-serif; color: var(--text); background: var(--bg); }
button { font-family: inherit; cursor: pointer; }
a { color: var(--accent); text-decoration: none; }

.app { display: grid; grid-template-columns: var(--side) 1fr; grid-template-rows: var(--top) 1fr; height: 100%; }
.top {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: 16px;
  padding: 0 18px; background: var(--navy); color: #fff;
}
.brand { font-weight: 700; letter-spacing: 0.04em; font-size: 15px; }
.brand small { display: block; font-weight: 400; opacity: 0.75; font-size: 11px; letter-spacing: 0; }
.station-sel {
  background: #2c5282; color: #fff; border: 0; border-radius: 4px; padding: 6px 10px;
}
.spacer { flex: 1; }
.bell { background: transparent; border: 0; color: #fff; position: relative; padding: 6px 10px; }
.bell .dot {
  position: absolute; top: 2px; right: 2px; background: #e24b4b; color: #fff;
  font-size: 10px; min-width: 16px; height: 16px; border-radius: 8px; line-height: 16px; text-align: center;
}
.user { font-size: 12px; opacity: 0.9; }
.btn-wall {
  background: #c4a35a; color: #1f1f1f; border: 0; border-radius: 4px; padding: 7px 12px; font-weight: 700;
}

.side { background: #fff; border-right: 1px solid var(--line); padding: 12px 8px; overflow: auto; }
.nav-item {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 12px; border-radius: 6px; color: var(--navy); margin-bottom: 2px;
}
.nav-item:hover { background: #f0f4f8; }
.nav-item.active { background: #e8eef4; font-weight: 700; color: var(--navy); }
.nav-item .ico { width: 8px; height: 8px; border-radius: 50%; background: #bfd0e0; }
.nav-item.active .ico { background: var(--accent); }
.nav-group { font-size: 11px; color: var(--muted); padding: 12px 12px 4px; font-weight: 600; letter-spacing: 0.02em; }

/* 全站链路条 */
.sys-chain-bar {
  display: flex; align-items: center; flex-wrap: wrap; gap: 4px;
  margin-bottom: 12px; padding: 8px 12px; background: var(--card);
  border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow);
}
.sys-chain-step {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px;
  border-radius: 6px; text-decoration: none; color: var(--muted); font-size: 12px;
}
.sys-chain-step:hover { background: #f0f4f8; color: var(--navy); }
.sys-chain-step.on { background: #e8eef4; color: var(--navy); font-weight: 700; }
.scs-n {
  width: 18px; height: 18px; border-radius: 50%; background: #bfd0e0;
  color: #fff; font-size: 10px; font-weight: 700; line-height: 18px; text-align: center;
}
.sys-chain-step.on .scs-n { background: var(--navy); }
.sys-chain-sep { color: var(--gray); font-size: 11px; padding: 0 2px; }
.sys-chain-loop { margin-left: 8px; color: var(--accent); font-size: 16px; font-weight: 700; }

.main { overflow: auto; padding: 18px 20px 28px; }
.page-h { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 14px; }
.page-h h1 { margin: 0; font-size: 20px; color: var(--navy); }
.page-h p { margin: 0; color: var(--muted); font-size: 12px; }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 14px; }
.kpi {
  background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; box-shadow: var(--shadow);
}
.kpi .k { color: var(--muted); font-size: 12px; }
.kpi .v { font-size: 26px; font-weight: 700; color: var(--navy); letter-spacing: -0.02em; margin-top: 4px; }
.kpi .v em { font-style: normal; font-size: 13px; font-weight: 500; margin-left: 4px; color: var(--muted); }
.kpi .d { font-size: 12px; margin-top: 4px; }
.up { color: var(--green); } .down { color: var(--red); }

.grid-2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 14px; box-shadow: var(--shadow);
}
.card h2 { margin: 0 0 10px; font-size: 14px; color: var(--navy); }
.chart { height: 240px; }
.chart-sm { height: 180px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; color: var(--muted); font-weight: 600; padding: 8px 6px; border-bottom: 1px solid var(--line); }
td { padding: 8px 6px; border-bottom: 1px solid #eef2f6; }
tr.clickable { cursor: pointer; }
tr.clickable:hover { background: #f5f8fb; }

.lamp { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; }
.lamp i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.ok i { background: var(--green); } .alarm i { background: var(--red); }
.observe i { background: var(--yellow); } .degrade i { background: var(--orange); }
.offline i { background: var(--gray); } .read i { background: var(--accent); }
.closed i { background: #b0b8c0; }

.tag { font-size: 11px; padding: 2px 7px; border-radius: 10px; background: #eef2f6; color: var(--navy); }
.tag.red { background: #fdecea; color: var(--red); }
.tag.gold { background: #f7f1e3; color: #8a6d2b; }
.toolbar { display: flex; gap: 8px; align-items: center; margin-bottom: 10px; flex-wrap: wrap; }
select, input, .btn {
  border: 1px solid var(--line); background: #fff; border-radius: 4px; padding: 6px 10px; font-size: 13px;
}
.btn.primary { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.hint { font-size: 12px; color: var(--muted); }

.flow { height: 280px; }
.gauge-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.gauge { text-align: center; padding: 8px; }
.gauge .num { font-size: 22px; font-weight: 700; color: var(--navy); }
.tabs { display: flex; gap: 4px; margin-bottom: 10px; }
.tabs button { border: 0; background: #eef2f6; padding: 6px 12px; border-radius: 4px; }
.tabs button.on { background: var(--navy); color: #fff; }

.login {
  min-height: 100%; display: grid; place-items: center;
  background: #16324f;
}
.login-box {
  width: 420px; background: #fff; border-radius: 10px; padding: 32px 28px;
}
.login-box h1 { margin: 0 0 6px; color: var(--navy); font-size: 20px; }
.login-box label { display: block; font-size: 12px; color: var(--muted); margin: 12px 0 4px; }
.login-box input, .login-box select { width: 100%; }
.login-box .btn { width: 100%; margin-top: 18px; padding: 10px; }

.evidence { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; font-size: 13px; }
.evidence div { background: #f7f9fb; padding: 8px 10px; border-radius: 4px; }
.banner {
  background: #f7f1e3; color: #6b5420; border: 1px solid #ead9a8; padding: 8px 12px; border-radius: 6px; font-size: 12px; margin-bottom: 12px;
}

.banner.warn { background: #fdecea; color: #8a1f1f; border-color: #f5c6c2; }
.date-in {
  background: #2c5282; color: #fff; border: 0; border-radius: 4px; padding: 6px 10px; width: 132px;
}
.btn-out { background: transparent; color: #fff; border: 1px solid #4a6a90; border-radius: 4px; padding: 6px 10px; }
.l1-flow { display: flex; gap: 0; overflow-x: auto; padding-bottom: 8px; height: auto; }
.stage {
  min-width: 132px; flex: 1; background: #f7f9fb; border: 1px solid var(--line); padding: 10px;
}
.stage + .stage { border-left: 0; }
.stage.human { background: #f7f1e3; border-color: #ead9a8; }
.stage .n { font-size: 11px; color: var(--muted); }
.stage .t { font-weight: 700; color: var(--navy); margin: 2px 0; }
.stage .s { font-size: 11px; color: var(--muted); }
.stage .h { font-size: 11px; margin-top: 6px; color: #8a6d2b; }
.stage .h.auto { color: #1b8a5a; }
.stage.has-link { background: #eef4fb; border-color: #b8cfe8; }
.stage.perf { background: #e8eef4; border-color: var(--navy); box-shadow: inset 0 0 0 1px rgba(31, 58, 95, 0.12); }
.stage-link {
  display: inline-block; margin-top: 8px; font-size: 11px; font-weight: 700;
  color: var(--accent); text-decoration: none;
}
.stage-link:hover { text-decoration: underline; }
.perf-flow-card { margin-bottom: 12px; border-color: #b8cfe8; }
.perf-flow-kpis {
  display: flex; gap: 20px; flex-wrap: wrap; margin: 8px 0 10px; font-size: 13px; color: var(--muted);
}
.perf-flow-kpis b { color: var(--navy); font-size: 18px; margin-left: 4px; }
.tag.green { background: #e7f6ee; color: var(--green); }
.tag.orange { background: #fdeee3; color: var(--orange); }
.live-dot { font-size: 11px; opacity: 0.85; }

.perf-toolbar label { font-size: 12px; color: var(--muted); margin-left: 8px; }
.perf-toolbar label:first-child { margin-left: 0; }
.perf-hint b { color: var(--navy); }
.health-ok { color: var(--green); }
.health-warn { color: var(--orange); }
.health-bad { color: var(--red); }
.matrix-wrap { overflow-x: auto; }
table.matrix th, table.matrix td { text-align: center; white-space: nowrap; }
table.matrix th:first-child { text-align: left; }
td.matrix-cell.health-ok { background: #e7f6ee; }
td.matrix-cell.health-warn { background: #fdeee3; }
td.matrix-cell.health-bad { background: #fdecea; }

/* Topic 2 fault diagnosis */
.t2-hint b { color: var(--navy); }
.fault-lib-grid { align-items: stretch; }
.fault-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 14px;
  box-shadow: var(--shadow);
}
.fault-card.closed { border-left: 4px solid var(--navy); }
.fault-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.fault-head h3 { margin: 0; font-size: 15px; color: var(--navy); }
.fault-dl { margin: 0; font-size: 12px; }
.fault-dl dt { color: var(--muted); margin-top: 8px; font-weight: 600; }
.fault-dl dd { margin: 4px 0 0; }
.fault-dl code { font-size: 11px; background: #f0f4f8; padding: 2px 6px; border-radius: 3px; }
.evidence-chain { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.ec-block { background: #f7f9fb; padding: 10px; border-radius: 6px; font-size: 12px; }
.ec-block b { display: block; color: var(--navy); margin-bottom: 4px; }
.ec-block p { margin: 0; color: var(--muted); }
.t2-list { margin: 0; padding-left: 18px; font-size: 13px; color: var(--muted); }
.t2-list li { margin-bottom: 6px; }
.eta-bins { display: flex; flex-direction: column; gap: 6px; }
.eta-bin-row { display: grid; grid-template-columns: 36px 1fr 52px 48px; align-items: center; gap: 8px; font-size: 12px; }
.eta-bar-wrap { height: 10px; background: #eef2f6; border-radius: 4px; overflow: hidden; }
.eta-bar { height: 100%; background: var(--navy); border-radius: 4px; min-width: 2px; }
.eta-lbl { color: var(--muted); }
.eta-val { font-weight: 700; color: var(--navy); text-align: right; }
.eta-n { color: var(--muted); font-size: 11px; }

/* Topic 3 closed loop */
.loop-pipeline {
  display: flex; align-items: stretch; gap: 0; overflow-x: auto;
  margin-bottom: 14px; padding: 4px 0 8px;
}
.loop-pipeline.compact .loop-stage { min-width: 100px; padding: 8px; }
.loop-stage {
  flex: 1; min-width: 120px; background: var(--card); border: 1px solid var(--line);
  border-radius: 8px; padding: 12px 10px; text-decoration: none; color: inherit;
  box-shadow: var(--shadow); transition: border-color 0.15s;
}
.loop-stage:hover { border-color: var(--accent); }
.loop-stage.ok { border-left: 4px solid var(--green); }
.loop-stage.warn { border-left: 4px solid var(--orange); }
.loop-stage.alarm { border-left: 4px solid var(--red); }
.loop-stage.demo { border-left: 4px solid var(--gray); }
.loop-stage .ls-n { font-size: 10px; color: var(--muted); }
.loop-stage .ls-t { font-weight: 700; color: var(--navy); font-size: 13px; margin: 2px 0; }
.loop-stage .ls-s { font-size: 11px; color: var(--muted); }
.loop-arrow { display: flex; align-items: center; padding: 0 4px; color: var(--gray); font-size: 16px; flex-shrink: 0; }
.loop-kpis { grid-template-columns: repeat(6, 1fr) !important; }
.loop-timeline { display: flex; flex-direction: column; gap: 6px; }
.loop-event {
  display: grid; grid-template-columns: 52px 48px 1fr; gap: 8px; align-items: center;
  padding: 8px 10px; background: #f7f9fb; border-radius: 6px; text-decoration: none; color: inherit;
}
.loop-event:hover { background: #eef4fb; }
.loop-event .le-t { font-size: 11px; color: var(--muted); }
.loop-event .le-e { font-size: 11px; font-weight: 700; color: var(--accent); }
.loop-event .le-d { font-size: 12px; color: var(--text); }
.loop-legend { display: flex; flex-direction: column; gap: 8px; font-size: 13px; color: var(--muted); }
.loop-legend b { color: var(--navy); }
.loop-cycle.ready { border-top: 3px solid var(--accent); }
.loop-cycle.done { border-top: 3px solid var(--green); }
.loop-cycle.planned { border-top: 3px solid var(--gray); }
.cycle-freq { font-size: 11px; color: var(--accent); font-weight: 700; margin-bottom: 6px; }
.btn-sm { padding: 4px 8px; font-size: 12px; }
.adaptive-badge {
  display: inline-block; font-size: 11px; background: #eef4fb; color: var(--accent);
  padding: 2px 8px; border-radius: 10px; margin-left: 6px;
}
.alert-case { font-size: 11px; color: var(--muted); margin-top: 4px; }
.alert-case b { color: #8a6d2b; }
.task-map { font-size: 12px; }
.task-map.compact td { vertical-align: top; }
.task-map .hint { font-size: 11px; margin-top: 2px; }
.task-map .tag { margin-right: 4px; }

/* 集团视角与 RBAC */
.group-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 14px; padding: 14px 16px; background: var(--card);
  border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow);
}
.group-kpis { margin-bottom: 12px; }
.role-badge {
  display: inline-block; font-size: 11px; font-weight: 700;
  background: rgba(196, 163, 90, 0.25); color: #c4a35a;
  padding: 2px 8px; border-radius: 10px; margin-left: 6px;
}
.scope-hint { display: block; font-size: 10px; opacity: 0.75; margin-top: 2px; }
.scope-toggle {
  display: inline-flex; background: #2c5282; border-radius: 4px; overflow: hidden;
}
.scope-btn {
  background: transparent; border: 0; color: rgba(255,255,255,0.75);
  padding: 6px 12px; font-size: 12px;
}
.scope-btn.on { background: #c4a35a; color: #1f1f1f; font-weight: 700; }
.scope-label {
  font-size: 12px; font-weight: 700; padding: 6px 10px;
  background: #2c5282; border-radius: 4px;
}
.role-matrix { font-size: 12px; width: 100%; }
.role-matrix th, .role-matrix td { text-align: center; padding: 8px 6px; }
.role-matrix th:first-child, .role-matrix td:first-child { text-align: left; }

.scope-banner {
  padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; font-size: 13px; line-height: 1.5;
}
.scope-banner.scope-group {
  background: #e8eef8; border: 1px solid #c5d4e8; border-left: 4px solid var(--navy); color: var(--navy);
}
.scope-banner.scope-station {
  background: #edf5ef; border: 1px solid #c5dcc8; border-left: 4px solid var(--green); color: #1b5a3a;
}
.app.scope-group .side { box-shadow: inset 3px 0 0 #c4a35a; }
.app.scope-group .top { background: linear-gradient(90deg, #1a3354 0%, var(--navy) 40%); }
.app.scope-station .side { box-shadow: inset 3px 0 0 var(--green); }
.banner.warn { background: #fff8e6; border-color: #e6c200; }

.group-kpi-method {
  margin: 0 0 14px; padding: 12px 14px; background: #f8fafc;
  border: 1px solid var(--line); border-radius: 8px; font-size: 12px; color: var(--muted);
}
.group-kpi-method summary {
  cursor: pointer; font-weight: 700; color: var(--navy); font-size: 13px; margin-bottom: 6px;
}
.group-kpi-method ul { margin: 8px 0 0; padding-left: 18px; line-height: 1.65; }
.group-kpi-method li { margin-bottom: 4px; }
.group-kpi-method .page-note { margin: 0 0 8px; color: var(--text); }
.kpi-pr-dual .v em { font-size: 11px; }
.kpi-pr-dual .d { font-size: 11px; color: var(--muted); margin-top: 4px; }

.loop-pipeline.compact { flex-wrap: wrap; gap: 6px; overflow-x: auto; }

@media (max-width: 1100px) {
  .loop-pipeline { flex-wrap: wrap; }
  .loop-pipeline.compact .loop-stage { min-width: 80px; }
}

@media (max-width: 1300px) {
  .loop-kpis { grid-template-columns: repeat(3, 1fr) !important; }
}

@media (max-width: 1100px) {
  .kpis, .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .app { grid-template-columns: 64px 1fr; }
  .nav-item span { display: none; }
}