/* J-Lens Visualizer — instrument-dark, amber lens light, monospace token wall. */

:root {
  --bg: #0e1014;
  --panel: #14171d;
  --panel-2: #191d24;
  --line: #262b35;
  --ink: #e7eaf2;
  --muted: #8b93a5;
  --faint: #5a6172;
  --accent: #ffd166;          /* the lens light */
  --accent-ink: #1a1405;
  --blue: #7dd3fc;
  --band-workspace: rgba(255, 209, 102, 0.05);
  --band-motor: rgba(125, 211, 252, 0.07);
  --r1:   rgba(255, 209, 102, 0.95);
  --r10:  rgba(255, 178, 82, 0.60);
  --r100: rgba(224, 122, 95, 0.38);
  --r1k:  rgba(146, 94, 120, 0.28);
  --r10k: rgba(90, 97, 114, 0.10);
  --mono: "Berkeley Mono", ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif: "IowanOldSt BT", "Iowan Old Style", "LowanOldSt BT", Georgia, serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.45;
  padding: 20px clamp(14px, 3vw, 36px) 60px;
}
.hidden { display: none !important; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ---- header ---- */
header { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
h1 { font-family: var(--serif); font-size: 24px; font-weight: 600; letter-spacing: 0.01em; margin: 0; }
.subtitle { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.badge {
  font-family: var(--mono); font-size: 12px; padding: 4px 10px; border-radius: 99px;
  border: 1px solid var(--line); white-space: nowrap;
}
.badge-cold { color: var(--muted); }
.badge-warming { color: var(--accent); border-color: rgba(255,209,102,.4); animation: pulse 1.6s ease-in-out infinite; }
.badge-warm { color: #7ce38b; border-color: rgba(124,227,139,.35); }
.badge-error { color: #ff8a80; border-color: rgba(255,138,128,.4); }
@keyframes pulse { 50% { opacity: 0.55; } }
@media (prefers-reduced-motion: reduce) { .badge-warming { animation: none; } }

/* ---- prompt row ---- */
.prompt-row { display: flex; gap: 10px; align-items: stretch; flex-wrap: wrap; }
#prompt {
  flex: 1 1 420px; background: var(--panel); color: var(--ink); border: 1px solid var(--line);
  border-radius: 8px; padding: 10px 12px; font-family: var(--mono); font-size: 14px; resize: vertical;
}
#prompt:focus { border-color: var(--accent); outline: none; }
.prompt-controls { display: flex; flex-direction: column; gap: 8px; }
#analyze-btn {
  background: var(--accent); color: var(--accent-ink); border: none; border-radius: 8px;
  padding: 9px 22px; font-weight: 650; font-size: 14px;
}
#analyze-btn:hover { filter: brightness(1.07); }
#analyze-btn:disabled { opacity: 0.55; cursor: wait; }

.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg-btn {
  background: transparent; color: var(--muted); border: none; padding: 6px 12px; font-size: 12.5px;
}
.seg-btn + .seg-btn { border-left: 1px solid var(--line); }
.seg-btn.active { background: var(--panel-2); color: var(--ink); font-weight: 600; }
.seg-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.seg.small .seg-btn { padding: 4px 10px; font-size: 12px; }

/* ---- examples ---- */
.examples { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.examples-label { color: var(--faint); font-size: 12px; }
.example {
  background: var(--panel); border: 1px solid var(--line); color: var(--muted);
  border-radius: 99px; padding: 4px 12px; font-size: 12.5px; font-family: var(--mono);
}
.example:hover { color: var(--ink); border-color: var(--faint); }

.error {
  margin-top: 14px; background: rgba(255, 138, 128, 0.08); border: 1px solid rgba(255,138,128,.4);
  color: #ffb4ab; border-radius: 8px; padding: 10px 14px; font-size: 13px;
}

/* ---- summary row ---- */
#results { margin-top: 20px; }
.summary-row { display: grid; grid-template-columns: minmax(220px, 1fr) minmax(300px, 2fr) minmax(150px, 0.7fr); gap: 12px; }
@media (max-width: 900px) { .summary-row { grid-template-columns: 1fr; } }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; }
.card-label { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--faint); margin-bottom: 7px; }
.card-label .hint { text-transform: none; letter-spacing: 0; }

.prediction-list { display: flex; flex-wrap: wrap; gap: 6px; }
.pred {
  font-family: var(--mono); font-size: 13px; background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 6px; padding: 3px 8px; display: inline-flex; gap: 7px; align-items: baseline; cursor: pointer;
}
.pred:hover { border-color: var(--accent); }
.pred:first-child { border-color: var(--accent); background: rgba(255,209,102,0.10); }
.pred .p { color: var(--muted); font-size: 11px; }

.pins-line { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.pins { display: flex; flex-wrap: wrap; gap: 6px; }
.pin-chip {
  font-family: var(--mono); font-size: 12.5px; border-radius: 99px; padding: 3px 9px;
  display: inline-flex; align-items: center; gap: 6px; border: 1px solid; background: transparent; color: var(--ink);
}
.pin-chip.loading { opacity: 0.5; }
.pin-chip .x { cursor: pointer; opacity: 0.7; font-size: 14px; line-height: 1; background: none; border: none; color: inherit; padding: 0; }
.pin-chip .x:hover { opacity: 1; }
.pin-chip.active-pin { box-shadow: 0 0 0 1px currentColor inset; }
#pin-form { display: flex; gap: 5px; }
#pin-input {
  background: var(--panel-2); border: 1px solid var(--line); color: var(--ink); border-radius: 6px;
  padding: 3px 9px; font-family: var(--mono); font-size: 12.5px; width: 120px;
}
.ghost-btn { background: none; border: 1px solid var(--line); color: var(--muted); border-radius: 6px; padding: 3px 10px; font-size: 12px; }
.ghost-btn:hover { color: var(--ink); }

.rank-legend { margin-top: 8px; display: flex; align-items: center; gap: 5px; font-size: 11px; color: var(--muted); font-family: var(--mono); }
.rank-legend i { width: 16px; height: 10px; border-radius: 2px; display: inline-block; margin-left: 7px; }

.meta { font-family: var(--mono); font-size: 12px; color: var(--muted); white-space: pre-line; }

/* ---- panels ---- */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; margin-top: 14px; overflow: hidden; }
.panel-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; padding: 10px 14px 8px; border-bottom: 1px solid var(--line); }
.panel-head h2 { font-size: 13px; font-weight: 650; margin: 0; font-family: var(--mono); }
.panel-hint { margin: 0; margin-left: auto; color: var(--faint); font-size: 11.5px; }

/* ---- the grid (signature element) ---- */
.grid-scroll { overflow: auto; max-height: 62vh; }
#grid { border-collapse: collapse; font-family: var(--mono); font-size: 11.5px; }
#grid th, #grid td { padding: 0; border: 1px solid #1d212a; }
#grid td.cell {
  min-width: 58px; max-width: 58px; height: 21px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  padding: 1px 5px; color: var(--ink); cursor: pointer; text-align: left;
}
#grid td.cell:hover { outline: 1px solid var(--accent); outline-offset: -1px; }
#grid th.layer-label {
  position: sticky; left: 0; z-index: 2; background: var(--panel-2); color: var(--muted);
  font-weight: 500; font-size: 10.5px; padding: 1px 8px; text-align: right; white-space: nowrap;
  border-right: 1px solid var(--line);
}
#grid tr.row-motor th.layer-label { color: var(--blue); }
#grid tr.row-workspace th.layer-label { color: var(--accent); }
#grid tr.row-sensory td.cell { color: var(--faint); }
#grid tr.row-workspace td.cell { background: var(--band-workspace); }
#grid tr.row-motor td.cell { background: var(--band-motor); }
#grid tr.axis-row th.layer-label { color: var(--ink); }
#grid td.axis-tok {
  min-width: 58px; max-width: 58px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  padding: 3px 5px; color: var(--ink); background: var(--panel-2); cursor: pointer; font-weight: 600;
  border-top: 2px solid var(--line); position: sticky; bottom: 0;
}
#grid td.axis-tok:hover { color: var(--accent); }
/* crosshair */
#grid td.cell.sel-col, #grid td.axis-tok.sel-col { box-shadow: inset 2px 0 0 -1px rgba(255,209,102,.25); background-color: rgba(255,209,102,.07); }
#grid tr.sel-row td.cell { background-color: rgba(255,209,102,.07); }
#grid td.cell.selected { outline: 2px solid var(--accent); outline-offset: -2px; }
/* rank heatmap mode: cell background set inline; keep text readable */
#grid.rank-mode td.cell { color: rgba(14,16,20,0.9); font-weight: 600; }
#grid.rank-mode td.cell.rank-dim { color: var(--faint); font-weight: 400; }

/* ---- detail panels ---- */
.detail-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 1000px) { .detail-row { grid-template-columns: 1fr; } }
.stack { overflow-y: auto; max-height: 44vh; padding: 6px 0; }
.stack-row { display: flex; gap: 8px; padding: 2px 12px; align-items: baseline; border-left: 3px solid transparent; }
.stack-row.in-workspace { border-left-color: rgba(255,209,102,.35); }
.stack-row.in-motor { border-left-color: rgba(125,211,252,.4); }
.stack-row.is-selected { background: rgba(255,209,102,.06); }
.stack-row .rl { font-family: var(--mono); font-size: 10.5px; color: var(--muted); min-width: 52px; text-align: right; cursor: pointer; }
.stack-row .rl:hover { color: var(--accent); }
.stack-row .toks { display: flex; flex-wrap: wrap; gap: 4px; min-width: 0; }
.tok {
  font-family: var(--mono); font-size: 12px; background: var(--panel-2); border: 1px solid transparent;
  border-radius: 4px; padding: 0.5px 6px; cursor: pointer; color: var(--ink); white-space: pre;
}
.tok:hover { border-color: var(--accent); }
.tok .p { color: var(--faint); font-size: 10px; margin-left: 4px; }
.tok.rank1 { background: rgba(255,209,102,0.14); }

.chart { display: block; width: 100%; height: 170px; border-top: 1px solid var(--line); background: var(--panel); }
.chart text { font-family: var(--mono); font-size: 9px; fill: var(--faint); }
.chart .gridline { stroke: #20242e; stroke-width: 1; }
.chart .bandrect { fill: rgba(255,209,102,0.05); }
.chart .rankline { fill: none; stroke-width: 1.6; }
.chart .empty-note { font-size: 10px; fill: var(--faint); }

/* ---- footer ---- */
footer { margin-top: 26px; color: var(--muted); }
footer summary { cursor: pointer; font-size: 13px; color: var(--muted); }
footer summary:hover { color: var(--ink); }
.about { max-width: 860px; font-size: 13.5px; }
.about code { font-family: var(--mono); background: var(--panel-2); padding: 0 4px; border-radius: 4px; font-size: 12.5px; }
.about .fine { color: var(--faint); font-size: 12px; }