/* Tilannekartta Dark Navy / EOC palette (lib/core/theme.dart AppColors). Dark only, like the app. */
:root {
  color-scheme: dark;
  --bg: #0A0C0F;
  --bg2: #12161E;
  --surface: #171D27;
  --surface2: #1E2531;
  --border: #2A3342;
  --accent: #D87333;
  --accent-hover: #E98A45;
  --accent-dark: #B95F26;
  --text: #F3F5F7;
  --text2: #AAB3C0;
  --muted: #768295;
  --disabled: #4C5565;
  --danger: #C94040;
  --warning: #B87030;
  --success: #2E7A60;
  --info: #3A6EA8;
  --radius: 12px;
  --gutter: 16px;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { font-size: 15px; line-height: 1.45; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 var(--gutter); }
header.top { background: var(--bg2); border-bottom: 1px solid var(--border); }
header.top .wrap { display: flex; align-items: center; gap: 12px; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; letter-spacing: -.01em; }
.brand svg { flex: none; }
.brand small { display: block; font-weight: 400; font-size: 12.5px; color: var(--text2); letter-spacing: 0; }
header.top .spacer { flex: 1; }

h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .1em; color: var(--text2); margin: 28px 0 10px; font-weight: 700; }
h3 { font-size: 15px; margin: 0 0 8px; }

.btn {
  appearance: none; border: 1px solid var(--border); background: var(--surface2); color: var(--text);
  border-radius: 999px; padding: 7px 14px; font: inherit; font-size: 13.5px; cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #0A0C0F; font-weight: 700; }
.btn.primary:hover { background: var(--accent-hover); }
.btn.small { padding: 4px 10px; font-size: 12.5px; }
.btn.icon { padding: 4px 9px; line-height: 1; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }

.grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
@media (min-width: 960px) { .grid { grid-template-columns: minmax(0, 440px) minmax(0, 1fr); align-items: start; } }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; min-width: 0; }

/* editor */
.chain { display: flex; flex-direction: column; gap: 8px; }
.item { background: var(--surface2); border: 1px solid var(--border); border-left: 4px solid var(--muted); border-radius: 10px; padding: 10px; min-width: 0; }
.item.t-pump { border-left-color: var(--accent); }
.item.t-hose { border-left-color: var(--info); }
.item.t-booster { border-left-color: var(--accent); }
.item.t-split { border-left-color: var(--text2); }
.item.t-nozzle { border-left-color: var(--success); }
.item.t-reducer { border-left-color: var(--disabled); }
.item-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.item-head b { font-size: 14px; }
.item-head .spacer { flex: 1; }
.fields { display: flex; flex-wrap: wrap; gap: 8px 10px; }
.field { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.field > span { font-size: 11.5px; color: var(--text2); }
.field.grow { flex: 1 1 130px; }
input[type=number], select {
  font: inherit; font-size: 15px; color: var(--text); background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 8px; min-width: 0; width: 100%;
}
input[type=number] { width: 88px; }
select { width: auto; max-width: 100%; }
input:focus, select:focus { border-color: var(--accent); outline: none; }
label.check { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text2); }
input[type=checkbox] { accent-color: var(--accent); width: 16px; height: 16px; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg button { appearance: none; border: 0; background: var(--bg2); color: var(--text2); font: inherit; font-size: 12.5px; padding: 6px 9px; cursor: pointer; }
.seg button.on { background: var(--accent-dark); color: var(--text); }
.res { margin-top: 8px; font-size: 12.5px; color: var(--text2); font-variant-numeric: tabular-nums; }
.res b { color: var(--text); font-weight: 600; }
.branches { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
.branch { border-left: 2px dashed var(--border); padding-left: 10px; min-width: 0; }
.branch-head { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text2); margin-bottom: 6px; }
.add { display: flex; }
.add select { font-size: 13px; color: var(--accent); background: transparent; border-style: dashed; padding: 5px 8px; }

.badge { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 999px; white-space: nowrap; color: #fff; vertical-align: 1px; }
.badge.ok { background: var(--success); }
.badge.low { background: var(--warning); }
.badge.high { background: var(--danger); }
.badge.none { background: var(--disabled); }
.nosrc { display: inline-block; font-size: 10.5px; font-weight: 700; letter-spacing: .02em; color: var(--warning); border: 1px solid var(--warning); border-radius: 999px; padding: 0 6px; white-space: nowrap; }
.example { color: var(--text2); border-color: var(--border); }

/* results */
.summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
.stat { background: var(--surface2); border-radius: 10px; padding: 10px 12px; min-width: 0; }
.stat span { display: block; font-size: 11.5px; color: var(--text2); }
.stat b { display: block; font-size: 24px; font-weight: 700; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.stat i { display: block; font-style: normal; font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.alerts { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; }
.alert { border-radius: 8px; padding: 8px 10px; font-size: 13.5px; border: 1px solid; }
.alert.error { border-color: var(--danger); background: rgba(201, 64, 64, .12); }
.alert.warn { border-color: var(--warning); background: rgba(184, 112, 48, .12); }
.alert.note { border-color: var(--border); background: var(--surface2); color: var(--text2); }
.scroll-x { overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; }
#schematic svg { display: block; }
#chart svg { display: block; width: 100%; height: auto; }
.chart-head { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--text2); }
.legend i { display: inline-block; width: 14px; height: 3px; vertical-align: middle; margin-right: 5px; border-radius: 2px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 6px 6px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--text2); font-weight: 600; font-size: 12px; }
td.num, th.num { text-align: right; white-space: nowrap; }
.assume td:nth-child(3) { color: var(--text2); font-size: 12.5px; overflow-wrap: anywhere; }
.assume input[type=number] { width: 72px; padding: 3px 6px; font-size: 13px; }
.muted { color: var(--muted); }
p.lead { color: var(--text2); margin: 0 0 4px; max-width: 70ch; }
footer { color: var(--muted); font-size: 12.5px; padding: 28px 0 40px; }
.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--surface2); border: 1px solid var(--accent); padding: 8px 14px; border-radius: 999px; font-size: 13.5px; opacity: 0; transition: opacity .2s; pointer-events: none; }
.toast.on { opacity: 1; }

/* schematic (SVG) */
#schematic text { font-family: inherit; }
.s-hose { stroke: var(--accent); stroke-linecap: round; }
.s-pipe { stroke: var(--text2); stroke-linecap: square; }
.s-fit { fill: var(--surface2); stroke: var(--accent); stroke-width: 2; }
.s-pump { fill: var(--info); }
.s-pt { fill: #fff; font-size: 10px; font-weight: 700; }
.s-pumpbox { fill: var(--surface2); stroke: var(--border); }
.s-noz { stroke: none; }
.s-noz.s-ok { fill: var(--success); }
.s-noz.s-low { fill: var(--warning); }
.s-noz.s-high { fill: var(--danger); }
.s-noz.s-none { fill: var(--disabled); }
.s-open { fill: none; stroke: var(--danger); stroke-width: 2; }
.s-t { fill: var(--text); font-size: 13px; font-weight: 600; font-variant-numeric: tabular-nums; }
.s-t2 { fill: var(--text2); font-size: 11.5px; }
.s-t3 { fill: var(--muted); font-size: 11.5px; font-variant-numeric: tabular-nums; }
.s-bad { fill: var(--danger); font-size: 13px; font-weight: 600; }
.s-st { font-size: 11px; font-weight: 700; }
text.s-ok { fill: var(--success); }
text.s-low { fill: var(--warning); }
text.s-high { fill: var(--danger); }

/* pressure chart (SVG) */
.c-grid { stroke: var(--border); stroke-width: 1; }
.c-zero { stroke: var(--danger); stroke-dasharray: 4 3; }
.c-ax { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.c-z { fill: var(--info); }
.c-band { fill: rgba(216, 115, 51, .25); stroke: none; }
.c-elev { fill: none; stroke: var(--info); stroke-width: 1.5; stroke-dasharray: 5 3; }
.c-line { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linejoin: round; }
.c-dot { fill: var(--accent); }
.c-lab { fill: var(--text); font-size: 12px; font-weight: 600; }