:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface-1: #fcfcfb;
  --surface-2: #f0efec;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
  --series-4: #e87ba4;
  --status-good: #0ca30c;
  --status-good-text: #006300;
  --status-warning: #fab219;
  --status-serious: #ec835a;
  --status-critical: #d03b3b;
  --accent: #2a78d6;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface-1: #1a1a19;
    --surface-2: #242423;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --grid: #2c2c2a;
    --baseline: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --series-1: #3987e5;
    --series-2: #d95926;
    --series-3: #199e70;
    --series-4: #d55181;
    --status-good-text: #0ca30c;
    --accent: #3987e5;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface-1: #1a1a19; --surface-2: #242423; --text-primary: #fff; --text-secondary: #c3c2b7;
  --grid: #2c2c2a; --baseline: #383835; --border: rgba(255, 255, 255, 0.10);
  --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70; --series-4: #d55181; --status-good-text: #0ca30c; --accent: #3987e5;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--page);
  color: var(--text-primary);
  font: 15px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
  padding-bottom: env(safe-area-inset-bottom);
}
.muted { color: var(--text-muted); }
button { font: inherit; color: inherit; }

.top {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
  background: color-mix(in srgb, var(--page) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 650; font-size: 17px; }
.brand img { border-radius: 6px; }
.actions { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }

.btn {
  border: 1px solid var(--border); background: var(--surface-1); border-radius: 10px;
  padding: 8px 12px; cursor: pointer; min-height: 38px; white-space: nowrap;
}
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); border-color: transparent; color: #fff; font-weight: 600; }
.btn.icon { width: 38px; padding: 0; }
.btn.sm { min-height: 30px; padding: 4px 10px; font-size: 13px; }
.btn.danger { color: var(--status-critical); }
.btn[aria-pressed="true"] { background: var(--text-primary); color: var(--page); }

.net { font-size: 12px; padding: 4px 8px; border-radius: 999px; border: 1px solid var(--border); color: var(--text-muted); }
.net.ok { color: var(--status-good-text); }
.net.err { color: var(--status-critical); }

main { max-width: 1180px; margin: 0 auto; padding: 16px; display: grid; gap: 16px; }
.banner { background: var(--surface-1); border: 1px solid var(--status-serious); border-radius: var(--radius); padding: 12px 14px; }

.hero {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; display: grid; grid-template-columns: minmax(220px, 1fr) 2fr; gap: 18px; align-items: center;
}
.hero .empty { grid-column: 1 / -1; }
.hero-label { color: var(--text-secondary); font-size: 13px; }
.hero-num { font-size: 64px; font-weight: 650; line-height: 1; letter-spacing: -0.02em; margin: 4px 0 10px; }
.hero-num span, .bank-soc .num span { font-size: 0.45em; font-weight: 500; color: var(--text-secondary); margin-left: 2px; }
.hero-sub { color: var(--text-secondary); font-size: 13px; margin-top: 6px; }
.socbar { height: 8px; background: var(--surface-2); border-radius: 99px; overflow: hidden; }
.socbar i { display: block; height: 100%; background: var(--accent); border-radius: 99px; transition: width .6s; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.stat { background: var(--surface-2); border-radius: 10px; padding: 12px; }
.stat .k { color: var(--text-secondary); font-size: 12px; }
.stat .v { font-size: 22px; font-weight: 600; margin-top: 2px; }
.stat small { font-size: 13px; font-weight: 500; color: var(--text-secondary); }

.alerts { display: grid; gap: 8px; }
.alert { background: var(--surface-1); border: 1px solid var(--border); border-left: 4px solid var(--status-warning); border-radius: 10px; padding: 10px 12px; }
.alert.critical { border-left-color: var(--status-critical); }
.alert .ico { color: var(--status-warning); margin-right: 6px; }
.alert.critical .ico { color: var(--status-critical); }
.alert .muted { font-size: 12px; margin-left: 6px; }

.banks { display: grid; grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); gap: 16px; }
.bank { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; display: grid; gap: 12px; align-content: start; min-width: 0; }
.bank-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.bank-head h3 { margin: 0; font-size: 16px; }
.swatch { width: 12px; height: 12px; border-radius: 3px; display: inline-block; flex: none; }
.type { font-size: 11px; color: var(--text-muted); border: 1px solid var(--border); border-radius: 6px; padding: 1px 6px; }
.pill { font-size: 12px; padding: 2px 8px; border-radius: 99px; background: var(--surface-2); color: var(--text-secondary); margin-left: auto; }
.pill.ok { color: var(--status-good-text); }
.pill.ok::before { content: "● "; color: var(--status-good); }
.pill.busy::before { content: "◌ "; }
.pill.off::before { content: "○ "; }
.bank-head .btn { margin-left: 0; }
.bank-soc { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: center; }
.bank-soc .num { font-size: 40px; font-weight: 650; line-height: 1; }
.kv { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 14px; margin: 0; }
.kv div { min-width: 0; }
.kv dt { font-size: 12px; color: var(--text-secondary); }
.kv dd { margin: 0; font-weight: 550; font-variant-numeric: tabular-nums; }
.kv small { color: var(--text-muted); font-weight: 400; }
.kv .offx { color: var(--status-critical); font-weight: 700; }
.delta { font-size: 14px; font-variant-numeric: tabular-nums; }
.delta .ico { font-size: 12px; margin-right: 2px; }
.delta.good .ico { color: var(--status-good); }
.delta.warn .ico { color: var(--status-warning); }
.delta.crit .ico { color: var(--status-critical); }
.delta.crit { font-weight: 600; }
.delta .muted { font-size: 12px; }
.cells { display: grid; grid-template-columns: repeat(auto-fill, minmax(44px, 1fr)); gap: 6px; }
.cell { text-align: center; font-variant-numeric: tabular-nums; border-radius: 8px; padding: 4px 2px; border: 1px solid transparent; }
.cell.min, .cell.max { border-color: var(--border); background: var(--surface-2); }
.cell .cbar { height: 44px; background: var(--surface-2); border-radius: 4px; display: flex; align-items: flex-end; overflow: hidden; }
.cell.min .cbar, .cell.max .cbar { background: var(--surface-1); }
.cell .cbar i { display: block; width: 100%; border-radius: 4px 4px 0 0; transition: height .6s; }
.cell b { display: block; font-size: 12px; font-weight: 600; margin-top: 3px; }
.cell small { display: block; font-size: 10px; color: var(--text-muted); }
.cell.bal small::after { content: " ⇄"; }
.alarm { color: var(--status-critical); font-weight: 600; font-size: 14px; }
.bank-foot { font-size: 12px; }

.panel { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; min-width: 0; }
.panel-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.panel-head h2 { margin: 0 auto 0 0; font-size: 16px; }
.seg { display: inline-flex; background: var(--surface-2); border-radius: 10px; padding: 3px; gap: 2px; flex-wrap: wrap; }
.seg button { border: 0; background: transparent; padding: 5px 10px; border-radius: 8px; cursor: pointer; font-size: 13px; color: var(--text-secondary); }
.seg button[aria-pressed="true"] { background: var(--surface-1); color: var(--text-primary); font-weight: 600; box-shadow: 0 0 0 1px var(--border); }
.legend { display: flex; gap: 14px; font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; flex-wrap: wrap; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.chart { position: relative; height: 280px; touch-action: pan-y; }
.chart canvas { display: block; }
.chart-tip {
  position: absolute; pointer-events: none; background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 9px; font-size: 12px; box-shadow: 0 4px 16px rgba(0, 0, 0, .15); min-width: 130px;
}
.tt-time { color: var(--text-muted); margin-bottom: 3px; }
.tt-row { display: flex; align-items: center; gap: 6px; }
.tt-row i { width: 8px; height: 8px; border-radius: 2px; }
.tt-row b { margin-left: auto; padding-left: 10px; font-variant-numeric: tabular-nums; }

.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; font-variant-numeric: tabular-nums; }
th { text-align: left; font-weight: 500; font-size: 12px; color: var(--text-secondary); padding: 6px 10px; border-bottom: 1px solid var(--grid); white-space: nowrap; }
td { padding: 7px 10px; border-bottom: 1px solid var(--grid); white-space: nowrap; }

details summary { cursor: pointer; color: var(--text-secondary); }
pre#log { max-height: 320px; overflow: auto; font-size: 11px; background: var(--surface-2); padding: 10px; border-radius: 8px; white-space: pre-wrap; word-break: break-all; }

dialog { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-1); color: var(--text-primary); padding: 0; width: min(620px, calc(100vw - 24px)); max-height: calc(100dvh - 24px); }
dialog::backdrop { background: rgba(0, 0, 0, .5); }
dialog form { display: flex; flex-direction: column; max-height: calc(100dvh - 26px); }
.dlg-head, .dlg-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.dlg-foot { border-top: 1px solid var(--border); border-bottom: 0; justify-content: flex-end; }
.dlg-head h2 { margin: 0; font-size: 17px; }
.dlg-body { overflow: auto; padding: 4px 16px 16px; }
.dlg-body h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); margin: 18px 0 8px; }
.dlg-body label { display: grid; gap: 4px; font-size: 13px; color: var(--text-secondary); margin-bottom: 10px; }
.dlg-body input, .dlg-body select { font: inherit; color: var(--text-primary); background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; width: 100%; min-width: 0; }
.dlg-body .chk { display: flex; align-items: center; gap: 8px; }
.dlg-body .chk input { width: auto; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; margin: 4px 0 8px; }
.bank-edit { display: grid; grid-template-columns: 12px 1.4fr 1fr 0.8fr auto; gap: 8px; align-items: center; margin-bottom: 8px; }

.toast { position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom)); transform: translateX(-50%); background: var(--text-primary); color: var(--page); padding: 10px 16px; border-radius: 10px; z-index: 20; max-width: calc(100vw - 32px); }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-num { font-size: 56px; }
  .banks { grid-template-columns: 1fr; }
  .chart { height: 240px; }
  .top { flex-wrap: wrap; }
}
@media (max-width: 480px) {
  .grid2 { grid-template-columns: 1fr; }
  .bank-edit { grid-template-columns: 12px 1fr 1fr; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
  .bank-edit input[data-f=name] { grid-column: 2 / 4; }
  .bank-edit input[data-f=capacityAh] { grid-column: 2; }
  .bank-edit select { grid-column: 3; }
  .bank-edit .btn { grid-column: 2 / 4; }
  .net { display: none; }
}