:root {
  --bg: #0d1017;
  --panel: #151a24;
  --panel-2: #1b2231;
  --line: #2a3346;
  --ink: #e6ebf2;
  --dim: #8d9aae;
  --accent: #ffb545;
  --accent-2: #6fb3ff;
  --total: #ff6b6b;
  --ok: #4fd18b;
  --warn: #ffcf5c;
  --mono: ui-monospace, "Cascadia Mono", "Consolas", monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
}

.header-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

/* Permanent, above the fold, and never behind a scroll. The detailed wording
   lives in the caveats panel; this is the part a stranger must not be able to
   miss. */
.safety {
  margin: 12px 0 0;
  padding: 9px 12px;
  border-radius: 7px;
  border: 1px solid #6b3a1e;
  background: #2a1a0f;
  color: #ffd9b8;
  font-size: 13px;
  line-height: 1.5;
}
.safety b { color: #ffcf5c; font-weight: 650; }
.safety a { color: #ffd9b8; }

footer {
  margin: 0 20px 28px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.6;
  color: var(--dim);
}
footer p { margin: 0 0 6px; }
footer a { color: var(--accent-2); }
footer .dim { color: #6c7688; }

h1 { font-size: 17px; margin: 0; font-weight: 650; letter-spacing: 0.01em; }
h2 { font-size: 12px; margin: 0 0 10px; color: var(--dim);
     text-transform: uppercase; letter-spacing: 0.09em; font-weight: 600; }

.panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.panel-head h2 { margin-bottom: 10px; }
button.maximise {
  flex: none;
  padding: 2px 8px;
  font-size: 14px;
  line-height: 1.3;
  color: var(--dim);
  background: transparent;
  border-color: transparent;
}
button.maximise:hover { color: var(--ink); border-color: var(--line); }
button.maximise.on { color: var(--accent); border-color: var(--line); background: var(--panel-2); }

.badge {
  font: 11px/1 var(--mono);
  padding: 5px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--dim);
}
.badge.ok { color: var(--ok); border-color: #23523c; background: #0f2419; }
.badge.bad { color: var(--total); border-color: #5a2626; background: #2a1414; }

html, body { max-width: 100%; overflow-x: hidden; }

main {
  display: grid;
  grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  gap: 16px;
  padding: 16px 20px 40px;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
}

.stack { display: grid; gap: 16px; }
/* min() on the track floor: a bare 320px minimum forces the page to scroll
   sideways once the viewport is narrower than that. */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(270px, 100%), 1fr));
  gap: 16px;
}

label { display: block; font-size: 11px; color: var(--dim); margin-bottom: 4px;
        text-transform: uppercase; letter-spacing: 0.06em; }

input[type="number"], input[type="text"], input[type="time"], select {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 6px;
  padding: 7px 9px;
  font: 13px var(--mono);
}
input:focus, select:focus { outline: 1px solid var(--accent-2); }

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 10px; }
.row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-bottom: 10px; }
.field { margin-bottom: 10px; }

button {
  background: var(--panel-2);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 12px;
  font: 500 13px system-ui;
  cursor: pointer;
}
button:hover { border-color: var(--accent-2); }
button.primary { background: #24405e; border-color: #35618c; }

/* Wide content scrolls inside its own box rather than pushing the page. */
.panel { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font: 12px var(--mono); }
th, td { padding: 5px 6px; text-align: right; border-bottom: 1px solid var(--line); }
th:first-child, td:first-child { text-align: left; }
th { color: var(--dim); font-weight: 500; font-size: 11px;
     text-transform: uppercase; letter-spacing: 0.05em; }
tr.total td { color: var(--accent); }
td.delta { color: var(--dim); }

canvas { display: block; width: 100%; border-radius: 8px; background: #090c12; }

.kind {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font: 600 11px/1.6 var(--mono); letter-spacing: 0.08em; text-transform: uppercase;
}
.kind.total { background: #3a1414; color: #ff8f8f; }
.kind.partial { background: #2a2410; color: var(--accent); }
.kind.none { background: #1c2130; color: var(--dim); }

.readout { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px;
           font: 12px var(--mono); }
.readout dt { color: var(--dim); }
.readout dd { margin: 0; text-align: right; }

.big { font: 600 26px/1.2 var(--mono); color: var(--accent); }

.toolbar { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 10px; align-items: center; }
.toolbar .grow { margin-left: auto; }
.toolbar input[type="time"] { width: auto; padding: 5px 8px; font-size: 12px; }
/* The picker icon is drawn black by the browser and vanishes on a dark panel. */
input[type="time"]::-webkit-calendar-picker-indicator { filter: invert(0.75); }
.hint { font-size: 11px; color: var(--dim); }
.hint.clamped { color: var(--warn); }

.panel.maximised {
  position: fixed; inset: 10px; z-index: 200; overflow: auto;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.65);
}
body.has-maximised { overflow: hidden; }
body.has-maximised::before {
  content: ""; position: fixed; inset: 0; z-index: 150;
  background: rgba(5, 7, 11, 0.72);
}

.toolbar .tool { display: flex; align-items: center; gap: 7px; }
.toolbar label { margin: 0; white-space: nowrap; }
.toolbar select { width: auto; padding: 5px 8px; font-size: 12px; }

.altaz {
  margin-top: 10px; padding: 8px 10px; border-radius: 6px;
  background: var(--panel-2); border: 1px solid var(--line);
  font: 13px var(--mono); color: var(--ink);
  display: flex; gap: 20px; flex-wrap: wrap;
}
.altaz .k { color: var(--dim); }
.altaz .below { color: var(--total); }

.timeline { display: flex; align-items: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.timeline input[type="range"] { flex: 1; min-width: 140px; accent-color: var(--accent); }
.timeline select { width: auto; padding: 5px 8px; font-size: 12px; flex: none; }
.timeline button { flex: none; }
.clock { font: 600 15px var(--mono); min-width: 100px; text-align: right; }

.note {
  font-size: 12px; color: var(--warn); background: #251f0d;
  border: 1px solid #4a3c14; border-radius: 6px; padding: 8px 10px; margin-top: 8px;
}
.caveat { font-size: 12px; color: var(--dim); }
.caveat li { margin-bottom: 7px; }
.caveat b { color: var(--ink); font-weight: 600; }

.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 11px;
          color: var(--dim); margin-top: 8px; }
.swatch { display: inline-block; width: 20px; height: 3px; vertical-align: middle;
          margin-right: 5px; border-radius: 2px; }

.boot-error {
  margin: 14px 20px 0;
  padding: 12px 14px;
  border-radius: 8px;
  background: #2a1414;
  border: 1px solid #5a2626;
  color: #ffc9c9;
  font-size: 13px;
  line-height: 1.55;
}
.boot-error code {
  background: rgba(0, 0, 0, 0.35);
  padding: 1px 5px;
  border-radius: 4px;
  font-family: var(--mono);
}
.boot-error .detail {
  display: inline-block;
  margin-top: 6px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
}

/* Two columns for as long as they are genuinely usable. Below that the
   sidebar would be squeezed to nothing, so everything stacks. */
@media (max-width: 760px) {
  main { grid-template-columns: 1fr; }
  header { padding: 12px 14px; gap: 10px; }
  main { padding: 12px 14px 32px; }
}