/* bounce-bench — Bounce Bench.  All styles ship in this file; nothing is loaded remotely. */
:root {
  --bg: #0d1016;
  --bg2: #141924;
  --panel: #19202d;
  --panel2: #202939;
  --line: #2b3648;
  --ink: #e8edf5;
  --ink2: #9fb0c8;
  --ink3: #6c7f9a;
  --accent: #ffb03a;
  --accent2: #38c9d6;
  --good: #57d68a;
  --bad: #ff6b6b;
  --warn: #ffd166;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 700px at 20% -10%, #1b2434 0%, var(--bg) 60%);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
}
a { color: var(--accent2); }
a:hover { color: var(--accent); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .4em; font-weight: 650; }
h1 { font-size: 1.6rem; letter-spacing: -.01em; }
h2 { font-size: 1.12rem; color: var(--ink); }
h3 { font-size: .95rem; color: var(--ink2); text-transform: uppercase; letter-spacing: .08em; }
p { margin: 0 0 .7em; }
code, .mono { font-family: var(--mono); font-size: .92em; }

.wrap { max-width: 1280px; margin: 0 auto; padding: 18px 16px 60px; }

header.top {
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
  border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 16px;
}
header.top .tag { color: var(--ink2); font-size: .95rem; }
header.top .spacer { flex: 1 1 auto; }
header.top nav { display: flex; gap: 8px; }

button, select, input[type=number] {
  font-family: inherit; font-size: .9rem; color: var(--ink);
  background: var(--panel2); border: 1px solid var(--line); border-radius: 7px;
  padding: 6px 11px; cursor: pointer;
}
button:hover, select:hover { border-color: var(--accent); }
button:focus-visible, select:focus-visible, input:focus-visible {
  outline: 2px solid var(--accent2); outline-offset: 1px;
}
button.primary { background: var(--accent); color: #241703; border-color: var(--accent); font-weight: 650; }
button.primary:hover { filter: brightness(1.08); }
button[aria-pressed="true"] { border-color: var(--accent2); color: var(--accent2); }

.grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 16px; }
@media (max-width: 950px) { .grid { grid-template-columns: minmax(0, 1fr); } }

.panel {
  background: linear-gradient(180deg, var(--panel) 0%, var(--bg2) 100%);
  border: 1px solid var(--line); border-radius: 12px; padding: 14px;
}
.panel + .panel { margin-top: 16px; }
.panel > h2 { display: flex; align-items: baseline; gap: 10px; }
.panel > h2 .sub { font-size: .8rem; font-weight: 400; color: var(--ink3); }

canvas { display: block; width: 100%; background: #090c12; border-radius: 9px; border: 1px solid var(--line); }
#scene { aspect-ratio: 12 / 5; }
#regime, #fan, #contact { aspect-ratio: 16 / 9; margin-top: 6px; }

.controls { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px 14px; margin-top: 12px; }
.ctl label { display: block; font-size: .78rem; color: var(--ink2); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 3px; }
.ctl .row { display: flex; align-items: center; gap: 8px; }
.ctl select { width: 100%; max-width: 100%; min-width: 0; text-overflow: ellipsis; }
.ctl output { font-family: var(--mono); font-size: .85rem; color: var(--accent); min-width: 62px; text-align: right; }
input[type=range] { width: 100%; accent-color: var(--accent); background: transparent; }
.buttons { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

table { border-collapse: collapse; width: 100%; font-size: .84rem; }
th, td { text-align: right; padding: 4px 7px; border-bottom: 1px solid var(--line); }
th:first-child, td:first-child { text-align: left; }
th { color: var(--ink3); font-weight: 600; text-transform: uppercase; font-size: .72rem; letter-spacing: .06em; }
td.num, th.num { font-family: var(--mono); }
tr.wrong td { color: var(--bad); }
tr.right td { color: var(--good); }
.blind { color: var(--warn); }
.scroll { overflow-x: auto; }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; font-size: .86rem; }
.kv dt { color: var(--ink2); }
.kv dd { margin: 0; font-family: var(--mono); color: var(--ink); }

.matrix { display: inline-grid; grid-template-columns: repeat(2, minmax(84px, auto)); gap: 4px 10px;
  font-family: var(--mono); font-size: .9rem; padding: 8px 14px;
  border-left: 2px solid var(--accent); border-right: 2px solid var(--accent); border-radius: 3px; }
.matrix span { text-align: right; }

.note { font-size: .84rem; color: var(--ink2); }
.note strong { color: var(--ink); }
.warnbox { border-left: 3px solid var(--warn); background: #1e1a0e; padding: 9px 12px; border-radius: 6px; font-size: .85rem; }
.okbox { border-left: 3px solid var(--good); background: #0f1d15; padding: 9px 12px; border-radius: 6px; font-size: .85rem; }

dialog {
  background: var(--panel); color: var(--ink); border: 1px solid var(--line);
  border-radius: 12px; max-width: 860px; width: calc(100% - 32px); padding: 0;
}
dialog::backdrop { background: rgba(5, 8, 13, .76); }
dialog .dlg-head { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--panel); }
dialog .dlg-head h2 { margin: 0; flex: 1 1 auto; }
dialog .dlg-body { padding: 16px; max-height: 70vh; overflow-y: auto; font-size: .9rem; }
dialog .dlg-body h3 { margin-top: 1.2em; }
dialog .dlg-body pre { background: #0b0f16; border: 1px solid var(--line); border-radius: 7px; padding: 10px; overflow-x: auto; font-size: .8rem; }

footer { margin-top: 26px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--ink3); font-size: .82rem; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.tabpane[hidden] { display: none !important; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: .78rem; color: var(--ink2); margin-top: 6px; }
.legend i { display: inline-block; width: 11px; height: 11px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 8px; top: 8px; position: fixed; z-index: 9; background: var(--accent); color: #241703; padding: 8px 12px; border-radius: 7px; }