/* Tokens and shared rules. Dark first, light under prefers-color-scheme or
   [data-theme=light]. The --u-* unit colours are the single-chip viewer's
   (symtpu/tools/trace_viewer/viewer.css) so the two agree. */

:root {
  color-scheme: dark light;
  --bg: #0c1014;
  --panel: #12181f;
  --panel-2: #171f28;
  --line: #232d38;
  --line-soft: #1b232c;
  --fg: #d7dee6;
  --fg-strong: #f2f6fa;
  --dim: #8794a3;
  --dimmer: #5d6875;
  --accent: #6ea8fe;
  --hi: #1d2b3d;
  --sel: #ffd166;
  --cross: #ff5d5d;

  --u-scalar: #6ea8fe;
  --u-valu: #45cfb8;
  --u-mxu: #f0a35e;
  --u-xlu: #bb8bf0;
  --u-vres: #56c4e8;
  --u-vld: #79cf7c;
  --u-vst: #e78ab2;
  --u-dma: #ef7d5a;
  --u-sync: #d8bf5c;
  --u-vmsk: #9fb0c4;
  --u-eup: #aede5a;
  --u-prng: #7f8b99;
  --u-vex: #d9a0a0;
  --u-misc: #8c9bab;
  --u-alu: #62b8d8;
  --u-stream: #c9a6e6;

  --wait: #c94f4f;
  --nop: #2a3540;
  --idle: #151b22;
  --host: #7f8fa3;
  --sc: #5fb3a1;
  --arc: #ef7d5a;
}

:root[data-theme="light"], :root:not([data-theme="dark"]) {
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f7f8fa; --panel: #ffffff; --panel-2: #f0f2f5; --line: #d9dee5; --line-soft: #e6eaef;
    --fg: #23303d; --fg-strong: #0d151d; --dim: #5f6c7b; --dimmer: #8d99a6; --accent: #1f6feb;
    --hi: #e3ecfb; --sel: #b8860b; --cross: #d33;
    --u-scalar: #1f6feb; --u-valu: #0b8f7d; --u-mxu: #b06400; --u-xlu: #7a3fc0; --u-vres: #0a7ea3;
    --u-vld: #2c7d31; --u-vst: #b2436f; --u-dma: #c2451c; --u-sync: #8a6d09; --u-vmsk: #4f5d6d;
    --u-eup: #5d7f0d; --u-prng: #616d7a; --u-vex: #a55; --u-misc: #6b7a8a; --u-alu: #1f7fa3; --u-stream: #7a4fb0;
    --wait: #d9534f; --nop: #dfe4ea; --idle: #eef1f4; --host: #6c7a8c; --sc: #2e8b7a; --arc: #c2451c;
  }
}
:root[data-theme="light"] {
  --bg: #f7f8fa; --panel: #ffffff; --panel-2: #f0f2f5; --line: #d9dee5; --line-soft: #e6eaef;
  --fg: #23303d; --fg-strong: #0d151d; --dim: #5f6c7b; --dimmer: #8d99a6; --accent: #1f6feb;
  --hi: #e3ecfb; --sel: #b8860b; --cross: #d33;
  --u-scalar: #1f6feb; --u-valu: #0b8f7d; --u-mxu: #b06400; --u-xlu: #7a3fc0; --u-vres: #0a7ea3;
  --u-vld: #2c7d31; --u-vst: #b2436f; --u-dma: #c2451c; --u-sync: #8a6d09; --u-vmsk: #4f5d6d;
  --u-eup: #5d7f0d; --u-prng: #616d7a; --u-vex: #a55; --u-misc: #6b7a8a; --u-alu: #1f7fa3; --u-stream: #7a4fb0;
  --wait: #d9534f; --nop: #dfe4ea; --idle: #eef1f4; --host: #6c7a8c; --sc: #2e8b7a; --arc: #c2451c;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; height: 100%;
  background: var(--bg); color: var(--fg);
  font: 13px/1.45 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.mono, code, .dis, .listing, .card-src, .slot { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; }
body { display: flex; flex-direction: column; overflow: hidden; }
a { color: var(--accent); }
.dim { color: var(--dim); }
.dimmer { color: var(--dimmer); }
.strong { color: var(--fg-strong); }
[hidden] { display: none !important; }

/* top bar */
#top {
  display: flex; align-items: center; gap: 8px; padding: 4px 10px;
  background: var(--panel); border-bottom: 1px solid var(--line); flex: none;
}
#top .brand { font-weight: 600; color: var(--fg-strong); margin-right: 8px; white-space: nowrap; }
#top .spacer { flex: 1; }

.btn, button {
  background: var(--panel-2); color: var(--fg); border: 1px solid var(--line);
  border-radius: 4px; padding: 3px 9px; font: inherit; cursor: pointer;
}
button:hover, .btn:hover { border-color: var(--accent); }
select, input { background: var(--panel-2); color: var(--fg); border: 1px solid var(--line); border-radius: 4px; padding: 3px 6px; font: inherit; }
select.inferred, input.inferred { border-style: dashed; }
#loadinfo { white-space: nowrap; }
#loadbar { position: fixed; left: 0; top: 0; height: 3px; width: 0; background: var(--accent); z-index: 30; transition: width 120ms linear; }
#loadinfo:empty { display: none; }
#run-name { max-width: 40vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-right: 6px; }
#top .brand { text-decoration: none; }
.pop { position: absolute; top: 34px; right: 8px; z-index: 20; min-width: 320px; max-width: 560px; max-height: 75vh; overflow: auto; padding: 10px 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; box-shadow: 0 6px 24px rgba(0,0,0,0.25); font-size: 12px; }
.pop .kv { display: grid; grid-template-columns: max-content 1fr; gap: 3px 12px; margin: 8px 0; }
.pop .kv .k { color: var(--dim); }
.pop .links a { margin-right: 10px; }
.pop .runs { grid-template-columns: 1fr; margin: 8px 0 0; max-width: 520px; }
/* Custom sits on a row of its own, centred, above the runs. */
.runs a.custom { border-color: var(--accent); grid-column: 1 / -1; justify-self: center; width: min(100%, 320px); text-align: center; }
.pop .src-head { display: flex; align-items: baseline; gap: 12px; margin: 10px 0 4px; }
.hl-kw { color: var(--u-sync); font-weight: 600; }
.hl-str { color: var(--u-vld); }
.hl-com { color: var(--dimmer); font-style: italic; }
.hl-num { color: var(--u-mxu); }
.hl-dec { color: var(--u-eup); }
.hl-def { color: var(--fg-strong); font-weight: 600; }
.hl-bi { color: var(--u-vst); }
.pop pre.src { margin: 0; max-height: 40vh; overflow: auto; padding: 8px; background: var(--bg); border: 1px solid var(--line); border-radius: 4px; font-size: 11px; line-height: 1.35; white-space: pre; }

main#ui-root { flex: 1; min-height: 0; display: flex; flex-direction: column; overflow: hidden; }
main#ui-root > * { min-height: 0; }
main#ui-root.dragging { outline: 2px dashed var(--accent); outline-offset: -6px; }

#welcome { max-width: 760px; margin: 8vh auto; padding: 0 20px; }
#welcome h1 { font-weight: 500; color: var(--fg-strong); }
.runs { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 6px; margin: 12px 0; }
.runs a { display: block; padding: 6px 8px; border: 1px solid var(--line); border-radius: 4px; background: var(--panel); text-decoration: none; color: var(--fg); }
.runs a:hover { border-color: var(--accent); }
.runs a .t { color: var(--fg-strong); }
.runs a .k { color: var(--dim); font-size: 11px; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 4px; }
.sheet {
  position: fixed; top: 40px; right: 10px; width: min(640px, 90vw); max-height: 80vh; overflow: auto;
  background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 12px 16px; z-index: 30;
  box-shadow: 0 8px 30px rgba(0,0,0,.4);
}
.sheet h2 { margin: 12px 0 4px; font-size: 13px; color: var(--fg-strong); }
.sheet .close { float: right; }
.tip {
  position: fixed; z-index: 40; pointer-events: none; display: none;
  background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 5px 8px;
  max-width: 420px; font-size: 12px; box-shadow: 0 4px 16px rgba(0,0,0,.35); white-space: pre-wrap;
}
.tip b { color: var(--fg-strong); }

table.grid { border-collapse: collapse; font-size: 12px; }
table.grid th, table.grid td { padding: 2px 8px; text-align: right; border-bottom: 1px solid var(--line-soft); white-space: nowrap; }
table.grid th { color: var(--dim); font-weight: 500; }
table.grid td:first-child, table.grid th:first-child { text-align: left; }
table.grid tr.click { cursor: pointer; }
table.grid tr.click:hover { background: var(--hi); }
table.grid tr.on { background: var(--hi); }

.slot { display: inline-block; margin: 1px 6px 1px 0; }
.slot .sn { color: var(--dimmer); margin-right: 4px; font-size: 11px; }
.slot.click { cursor: pointer; }
.slot.click:hover { text-decoration: underline; }
.swatch { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 4px; vertical-align: -1px; }
.badge { display: inline-block; font-size: 10px; padding: 0 5px; border-radius: 8px; background: var(--panel-2); border: 1px solid var(--line); color: var(--dim); margin-left: 4px; }
.badge.warn { color: var(--wait); border-color: var(--wait); }
.legend { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 11px; color: var(--dim); }
.summary { padding: 12px 16px; overflow: auto; }
.summary h2 { font-size: 13px; color: var(--fg-strong); margin: 14px 0 4px; }
.summary .cols { display: flex; flex-wrap: wrap; gap: 24px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 1px 12px; font-size: 12px; }
.kv .k { color: var(--dim); }
.card h3 { margin: 4px 0; }
.card .unit { color: var(--dim); font-size: 11px; }
.card .card-src { white-space: pre-wrap; font-size: 12px; }
.card ul { margin: 2px 0 6px 18px; padding: 0; }
.card .gens span { display: inline-block; margin-right: 6px; font-size: 11px; color: var(--dim); }

/* the program panel: a bar of choices, the editor, and what the run said */
section.program { flex: 1; min-height: 0; display: flex; flex-direction: column; padding: 8px 10px; gap: 8px; }
.prog-bar { display: flex; align-items: center; gap: 12px; flex: none; flex-wrap: wrap; }
.prog-bar label { color: var(--dim); display: flex; align-items: center; gap: 4px; }
.prog-bar select { max-width: 40vw; }
#prog-status { color: var(--dim); }
#prog-editor { flex: 1; min-height: 120px; overflow: hidden; }
#prog-out { flex: none; max-height: 34vh; overflow: auto; }
#prog-out:empty { display: none; }
#prog-out p { margin: 0 0 6px; }
.prog-stream pre { margin: 2px 0 10px; padding: 6px 8px; font-size: 12px; white-space: pre-wrap;
  background: var(--panel); border: 1px solid var(--line); border-radius: 4px; }