/* FloodLine — plain, dense, readable under stress. One signal colour, no decoration. */
:root {
  --bg: #f3f2ee;
  --surface: #ffffff;
  --sunk: #ecebe6;
  --ink: #1b1b19;
  --ink-2: #3d3d39;
  --muted: #6b6a63;
  --line: #d6d4cc;
  --line-strong: #a9a79e;
  --red: #b42318;
  --red-bg: #fbeae8;
  --amber: #a15c07;
  --amber-bg: #fdf3e2;
  --blue: #1d4ed8;
  --blue-bg: #e8eefc;
  --grey: #77766f;
  --green: #0f7a4a;
  --green-bg: #e5f4ec;
  --practice: #fff3c4;
  --practice-ink: #5c4400;
  --map-filter: none;
  --sans: 'IBM Plex Sans', 'Noto Sans Tamil', system-ui, -apple-system, 'Segoe UI', 'Nirmala UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;
  --ta: 'Noto Sans Tamil', 'Nirmala UI', 'Latha', sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #151514; --surface: #1d1d1b; --sunk: #252523; --ink: #ecebe6; --ink-2: #cfcec8; --muted: #9a9991; --line: #34342f; --line-strong: #55554e;
    --red: #f2675b; --red-bg: #3a1c19; --amber: #e8a440; --amber-bg: #34270f; --blue: #8fb0ff; --blue-bg: #1c2540; --grey: #8e8d86;
    --green: #4cc38a; --green-bg: #13291f; --practice: #3b3110; --practice-ink: #f5dc86;
    --map-filter: grayscale(0.4) invert(1) hue-rotate(180deg) brightness(0.85) contrast(0.9);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #151514; --surface: #1d1d1b; --sunk: #252523; --ink: #ecebe6; --ink-2: #cfcec8; --muted: #9a9991; --line: #34342f; --line-strong: #55554e;
  --red: #f2675b; --red-bg: #3a1c19; --amber: #e8a440; --amber-bg: #34270f; --blue: #8fb0ff; --blue-bg: #1c2540; --grey: #8e8d86;
  --green: #4cc38a; --green-bg: #13291f; --practice: #3b3110; --practice-ink: #f5dc86;
  --map-filter: grayscale(0.4) invert(1) hue-rotate(180deg) brightness(0.85) contrast(0.9);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 var(--sans); display: flex; flex-direction: column; -webkit-font-smoothing: antialiased; }
main { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.ta { font-family: var(--ta); font-weight: 400; color: var(--muted); font-size: 0.82em; margin-left: 6px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
a { color: var(--blue); text-underline-offset: 2px; }
h1, h2, h3 { line-height: 1.2; margin: 0; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

/* controls */
button, .btn { font: inherit; color: inherit; cursor: pointer; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border: 1px solid var(--line-strong); border-radius: 4px; background: var(--surface); font-weight: 500; text-decoration: none; color: var(--ink); }
.btn:hover { border-color: var(--ink); }
.btn.dark { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn.dark:hover { opacity: 0.88; }
.btn.go { background: var(--green); border-color: var(--green); color: #fff; }
.btn.warn { color: var(--red); border-color: var(--red); }
.textbtn, .linklike { background: none; border: 0; padding: 4px 2px; color: var(--ink-2); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
.textbtn:hover, .linklike:hover { color: var(--ink); text-decoration-color: var(--ink); }
button:disabled { opacity: 0.45; cursor: not-allowed; }
input[type=text], input[type=password], input[type=number], input[type=search], textarea, select {
  font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line-strong); border-radius: 4px; padding: 7px 9px; width: 100%;
}
textarea { resize: vertical; font-size: 0.92rem; }
select { width: auto; padding: 5px 8px; }
.inline { display: inline-flex; align-items: center; gap: 6px; font-size: 0.88rem; color: var(--ink-2); }
.inline input { width: auto; margin: 0; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 10px; }
.note { font-size: 0.84rem; margin: 8px 0 0; color: var(--ink-2); }
.count { font-family: var(--mono); font-size: 0.82em; color: var(--muted); font-weight: 400; }

/* practice banner, masthead, helpline */
.practice { background: var(--practice); color: var(--practice-ink); padding: 6px 18px; font-size: 0.86rem; border-bottom: 1px solid var(--line); }
.practice .linklike { color: var(--practice-ink); font-size: 0.86rem; margin-left: 6px; }
.mast { display: flex; align-items: center; gap: 22px; padding: 10px 18px; background: var(--surface); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.ident { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.mark { width: 30px; height: 30px; flex-shrink: 0; }
.mark rect { fill: var(--red); }
.mark path { stroke: #fff; stroke-width: 2.4; fill: none; stroke-linecap: round; }
.ident b { display: block; font-size: 1.08rem; letter-spacing: -0.01em; }
.ident small { display: block; font-size: 0.78rem; color: var(--muted); }
.tabs { display: flex; gap: 18px; }
.tab { background: none; border: 0; padding: 6px 0; color: var(--muted); font-weight: 500; border-bottom: 2px solid transparent; }
.tab.active { color: var(--ink); border-bottom-color: var(--ink); }
.tab:hover { color: var(--ink); }
.mast-right { margin-left: auto; display: flex; align-items: center; gap: 14px; font-size: 0.86rem; flex-wrap: wrap; }
.presence { color: var(--muted); }
.helpline { margin: 0; padding: 7px 18px; font-size: 0.85rem; background: var(--sunk); border-bottom: 1px solid var(--line); color: var(--ink-2); }
.helpline a { font-family: var(--mono); font-weight: 500; color: var(--red); text-decoration: none; border-bottom: 1px solid currentColor; }
.helpline .muted { margin-left: 6px; }

/* summary line */
#boardView { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.summary { display: flex; align-items: center; gap: 22px; padding: 12px 18px; flex-wrap: wrap; }
.clock { display: flex; flex-direction: column; min-width: 110px; }
.clock .mono { font-size: 1.55rem; font-weight: 500; line-height: 1; }
.clock .muted { font-size: 0.76rem; margin-top: 3px; }
.stats { flex: 1; margin: 0; font-size: 0.92rem; color: var(--ink-2); min-width: 260px; }
.stats b { font-family: var(--mono); font-weight: 500; color: var(--ink); }
.stats .alert b { color: var(--red); }
.stats .sep { color: var(--line-strong); margin: 0 6px; }
.replay { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

/* board */
.board { flex: 1; min-height: 0; display: grid; grid-template-columns: 290px minmax(360px, 1fr) minmax(320px, 0.9fr); grid-template-rows: minmax(0, 1fr); gap: 14px; padding: 0 18px 18px; }
.col { min-height: 0; display: flex; flex-direction: column; }
.inbox-col { overflow-y: auto; gap: 14px; }
.box { background: var(--surface); border: 1px solid var(--line); border-radius: 4px; padding: 12px 14px; }
.box h2 { font-size: 0.9rem; font-weight: 600; margin-bottom: 8px; }
.plainlist { list-style: none; margin: 0; padding: 0; font-size: 0.84rem; }
.plainlist li { padding: 6px 0; border-top: 1px solid var(--line); overflow-wrap: anywhere; }
.plainlist li:first-child { border-top: 0; padding-top: 0; }
.feed .k { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); margin-right: 6px; text-transform: lowercase; }
.feed .k.request { color: var(--red); }

.queue-col { background: var(--surface); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.queue-head { padding: 10px 12px; border-bottom: 1px solid var(--line); display: grid; gap: 8px; }
.filters { display: flex; gap: 16px; flex-wrap: wrap; }
.filter { background: none; border: 0; padding: 3px 0; color: var(--muted); font-weight: 500; font-size: 0.9rem; border-bottom: 2px solid transparent; }
.filter.active { color: var(--ink); border-bottom-color: var(--ink); }
.queue { list-style: none; margin: 0; padding: 0; overflow-y: auto; flex: 1; }
.empty { padding: 28px 18px; color: var(--muted); text-align: center; }

.case { display: grid; grid-template-columns: 74px 1fr auto; gap: 12px; width: 100%; text-align: left; padding: 11px 12px; background: none; border: 0; border-bottom: 1px solid var(--line); border-left: 4px solid var(--grey); }
.case:hover { background: var(--sunk); }
.case.p-critical { border-left-color: var(--red); }
.case.p-high { border-left-color: var(--amber); }
.case.p-medium { border-left-color: var(--blue); }
.case.closed { border-left-color: var(--green); opacity: 0.62; }
.case.fresh { animation: arrive 1.6s ease-out; }
@keyframes arrive { from { background: var(--blue-bg); } to { background: transparent; } }
.prio { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; line-height: 1.3; }
.prio .mono { display: block; font-size: 0.8rem; color: var(--muted); letter-spacing: 0; text-transform: none; font-weight: 400; }
.p-critical .prio { color: var(--red); } .p-high .prio { color: var(--amber); } .p-medium .prio { color: var(--blue); } .p-low .prio { color: var(--grey); } .closed .prio { color: var(--green); }
.case .who { font-weight: 600; }
.case .where { font-family: var(--mono); font-size: 0.8rem; color: var(--ink-2); margin-top: 2px; overflow-wrap: anywhere; }
.case .facts { font-size: 0.84rem; color: var(--ink-2); margin-top: 3px; }
.case .facts .v { color: var(--red); font-weight: 500; }
.state { text-align: right; font-size: 0.8rem; display: flex; flex-direction: column; align-items: flex-end; gap: 2px; }
.state .st { font-weight: 600; }
.state .st.new { color: var(--red); }
.state .st.closed { color: var(--green); }
.state .mono { color: var(--muted); }
.warnline { font-size: 0.74rem; font-weight: 600; padding: 1px 6px; border-radius: 3px; }
.warnline.stale { background: var(--red); color: #fff; }
.warnline.check { background: var(--amber-bg); color: var(--amber); }
.warnline.safe, .warnline.reshared { background: var(--green-bg); color: var(--green); }

.map-col { gap: 6px; }
.map { flex: 1; min-height: 300px; border: 1px solid var(--line); border-radius: 4px; z-index: 0; }
.map .leaflet-tile-pane { filter: var(--map-filter); }
.legend { margin: 0; display: flex; gap: 12px; flex-wrap: wrap; font-size: 0.78rem; color: var(--ink-2); }
.sw { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 4px; }
.sw.critical { background: var(--red); } .sw.high { background: var(--amber); } .sw.medium { background: var(--blue); } .sw.low { background: var(--grey); } .sw.done { background: var(--green); }
.leaflet-container { font-family: var(--sans); }
.mobile-switch { display: none; }

/* request drawer */
.drawer-back { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.3); z-index: 900; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(540px, 100vw); background: var(--surface); border-left: 1px solid var(--line); z-index: 1000; overflow-y: auto; padding: 18px 22px 40px; }
.drawer .close { position: absolute; top: 12px; right: 14px; }
.drawer .kicker { font-size: 0.76rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
.drawer h2 { font-size: 1.35rem; margin: 4px 0 2px; }
.drawer .addr { font-family: var(--mono); font-size: 0.88rem; color: var(--ink-2); }
.drawer .sub { font-size: 0.84rem; color: var(--muted); margin-top: 4px; }
.drawer section { border-top: 1px solid var(--line); margin-top: 16px; padding-top: 12px; }
.drawer h3 { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); margin-bottom: 8px; }
.drawer .alertbox { background: var(--red-bg); color: var(--red); padding: 8px 10px; border-radius: 4px; font-size: 0.88rem; margin-top: 10px; }
.drawer .okbox { background: var(--green-bg); color: var(--green); padding: 8px 10px; border-radius: 4px; font-size: 0.88rem; margin-top: 10px; }
.points { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.points td { padding: 4px 0; border-bottom: 1px dotted var(--line); }
.points td:last-child { text-align: right; font-family: var(--mono); width: 60px; }
.points tr.total td { border-bottom: 0; font-weight: 600; padding-top: 6px; }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 4px 12px; font-size: 0.9rem; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.msg { border-left: 3px solid var(--line-strong); padding: 4px 0 4px 10px; margin-bottom: 10px; font-size: 0.9rem; overflow-wrap: anywhere; }
.msg .meta { font-family: var(--mono); font-size: 0.74rem; color: var(--muted); margin-bottom: 2px; }
.msg .blocked { font-size: 0.8rem; color: var(--amber); margin-top: 3px; }
.copybox { background: var(--sunk); border-radius: 4px; padding: 8px 10px; font-size: 0.86rem; white-space: pre-wrap; }
.timeline { list-style: none; padding: 0; margin: 0; font-size: 0.86rem; }
.timeline li { padding: 3px 0; }
.timeline .mono { color: var(--muted); margin-right: 8px; }

/* results + about pages */
#benchView, #aboutView { overflow-y: auto; }
.page { max-width: 1040px; margin: 0 auto; padding: 22px 18px 50px; }
.page h1 { font-size: 1.7rem; margin-bottom: 8px; }
.page h2 { font-size: 1.15rem; margin: 30px 0 8px; }
.lede { color: var(--ink-2); max-width: 760px; margin: 0 0 14px; }
.params { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; align-items: end; background: var(--surface); border: 1px solid var(--line); border-radius: 4px; padding: 14px; }
.params label { display: grid; gap: 4px; font-size: 0.82rem; color: var(--ink-2); }
.params .row { margin: 0; grid-column: 1 / -1; }
.result-line { font-size: 1.05rem; margin: 18px 0 6px; max-width: 820px; }
.result-meta { font-size: 0.84rem; color: var(--muted); margin: 0 0 10px; }
.cmp { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--line); font-size: 0.92rem; }
.cmp th, .cmp td { padding: 8px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.cmp th { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); font-weight: 600; background: var(--sunk); }
.cmp td.n { font-family: var(--mono); text-align: right; white-space: nowrap; }
.cmp .better { color: var(--green); }
.cmp .worse { color: var(--red); }
.assume { margin-top: 12px; font-size: 0.86rem; color: var(--ink-2); }
.assume summary { cursor: pointer; font-weight: 600; }
.miss { font-size: 0.84rem; border-left: 3px solid var(--amber); padding: 3px 10px; margin: 6px 0; overflow-wrap: anywhere; }
.prose { line-height: 1.6; max-width: 720px; }
.prose p, .prose ul { color: var(--ink-2); }
.prose li { margin-bottom: 4px; }

/* dialogs */
dialog { border: 1px solid var(--line-strong); border-radius: 4px; background: var(--surface); color: var(--ink); width: min(460px, 92vw); padding: 0; }
dialog::backdrop { background: rgba(0, 0, 0, 0.4); }
.dlg { display: grid; gap: 10px; padding: 18px 20px; }
.dlg h3 { font-size: 1rem; }
.dlg label:not(.inline):not(.btn) { display: grid; gap: 4px; font-size: 0.86rem; }
.dlg hr { border: 0; border-top: 1px solid var(--line); width: 100%; margin: 6px 0; }
.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 9px 14px; border-radius: 4px; z-index: 2000; font-size: 0.9rem; max-width: 92vw; }

@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

@media (max-width: 1150px) {
  .board { grid-template-columns: 250px 1fr 1fr; }
  .presence { display: none; }
}
@media (max-width: 860px) {
  body { font-size: 14.5px; }
  .practice, .helpline { padding: 6px 12px; }
  .mast { padding: 10px 12px; gap: 10px; }
  .ident small { display: none; }
  .tabs { order: 3; width: 100%; gap: 22px; }
  .mast-right { margin-left: auto; gap: 10px; }
  #meBtn { display: none; }
  main, #boardView { display: block; }
  .summary { padding: 10px 12px; gap: 10px; }
  .clock { flex-direction: row; align-items: baseline; gap: 8px; }
  .clock .mono { font-size: 1.3rem; }
  .board { display: block; padding: 0 12px 70px; }
  .board .col { display: none; }
  .board .col.show { display: flex; }
  .inbox-col { overflow: visible; }
  .map { min-height: 62vh; }
  .case { grid-template-columns: 62px 1fr; }
  .case .state { grid-column: 2; flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: flex-start; gap: 8px; text-align: left; }
  .mobile-switch { display: flex; position: fixed; bottom: 0; left: 0; right: 0; background: var(--surface); border-top: 1px solid var(--line); z-index: 800; }
  .mobile-switch .ms { flex: 1; background: none; border: 0; padding: 13px 0; font-weight: 600; color: var(--muted); }
  .mobile-switch .ms.active { color: var(--ink); box-shadow: inset 0 2px 0 var(--ink); }
  .cmp { font-size: 0.84rem; }
  .cmp th, .cmp td { padding: 6px 8px; }
}