/* SPDX-License-Identifier: GPL-3.0-or-later */
/* Eigenvectors. The shared look lives in /core/static/core.css. */

:root { --ci: #3ddc97; --cj: #ff5c8a; }

/* sidebar: the cards follow the tab (data-tabs) */
.side .card.off { display: none; }
.mat-edit { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 4px; }
.mat-br { font: 300 52px/1 var(--sans); color: var(--muted); transform: scaleX(.6); }
.mat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.mat-grid input, .field-row input[type=number] {
  width: 100%; background: var(--bg2); border: 1px solid var(--line); border-radius: 8px;
  padding: 6px 8px; font: 600 15px var(--mono); text-align: center;
}
.field-row input[type=number] { margin-top: 4px; font-size: 13px; }
.mat-grid input.ci { color: var(--ci); }
.mat-grid input.cj { color: var(--cj); }
.mat-grid input:focus, .field-row input:focus { outline: none; border-color: var(--yellow); }
.mat-cols { grid-column: 1 / -1; display: flex; flex-direction: column; gap: 2px; font-size: 11px; color: var(--muted); margin-top: 6px; }
.mat-cols b { color: var(--text); }
.dot.gi { background: var(--ci); margin-right: 0; }
.dot.pj { background: var(--cj); margin-right: 0; }
.dot.gr { background: var(--green); }
.mat-sliders { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.mat-sliders .field { margin-top: 6px; }
.mat-sliders .field.ci output { color: var(--ci); }
.mat-sliders .field.cj output { color: var(--cj); }
.presets button { flex: none; padding: 4px 8px; font-family: var(--sans); }
.presets button.on { border-color: var(--yellow); color: var(--yellow); }
.preset-note { min-height: 16px; margin-bottom: 0; }
.btn-row { margin-top: 10px; flex-wrap: wrap; }
.records { font: 12px var(--mono); color: var(--muted); display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; }
.records b { color: var(--yellow); text-align: right; }
.rec-formula { font-size: 16px; text-align: center; padding: 4px 0 2px; }
.link { color: var(--yellow); }
input[type=number]::-webkit-inner-spin-button { opacity: .4; }

/* ------------------------------------------------------------ Transform */
#view-main.active, #view-pca.active { display: grid; grid-template-columns: 1fr 330px; gap: 14px; overflow: hidden; }
.hud-top {
  position: absolute; top: 14px; left: 16px; right: 16px; text-align: left; pointer-events: none;
  font: 600 12px var(--mono); color: var(--yellow); letter-spacing: .03em; max-width: 46%;
}
.hud-top .why { display: block; color: var(--muted); font: 12px/1.45 var(--sans); letter-spacing: 0; margin-top: 4px; }
.hud-bottom { position: absolute; bottom: 58px; left: 0; right: 0; text-align: center; pointer-events: none; }
.hud-l { font-size: 30px; font-weight: 800; letter-spacing: -.01em; text-shadow: 0 2px 16px #000; font-family: var(--mono); }
.hud-l .l1 { color: var(--yellow); }
.hud-l .l2 { color: var(--blue); }
.hud-l .cx { color: var(--pink); }
.hud-l .sep { color: var(--dim); margin: 0 12px; }
.hud-sub { font: 13px var(--mono); color: var(--muted); }
.stage-ctrl button.on { box-shadow: inset 0 0 0 1px var(--yellow); color: var(--yellow); }
.hint kbd { font-size: 9px; padding: 0 4px; color: var(--muted); }
.view .hint { max-width: min(380px, 44%); }

.live {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px; overflow-y: auto; scrollbar-width: thin;
}
.live h3 { font-size: 13px; margin: 14px 0 4px; }
.live > h3:first-child { margin-top: 2px; }
.live .sub { margin: 2px 0 6px; }
.formula { font-size: 20px; text-align: center; padding: 10px 0; overflow-x: auto; }
.formula.small { font-size: 16px; padding: 4px 0; }
.formula math { color: var(--text); }
.badge {
  margin: 6px 0 2px; padding: 8px 10px; border-radius: 10px; font-size: 12px; color: #c3cbe0;
  background: var(--bg2); border: 1px solid var(--line);
}
.badge b { color: var(--yellow); display: block; font-size: 13px; margin-bottom: 2px; }
.vec { display: grid; grid-template-columns: 12px 1fr; gap: 8px; align-items: start; font-size: 12px; color: #c3cbe0; margin: 6px 0; }
.vec .sw { width: 12px; height: 12px; border-radius: 3px; margin-top: 3px; }
.vec math { font-size: 15px; }
.facts { font: 12px var(--mono); color: var(--muted); display: grid; grid-template-columns: auto 1fr; gap: 3px 10px; }
.facts b { color: var(--text); font-weight: 600; }
.facts .ok { color: var(--green); }

/* ------------------------------------------------------------ Hunt */
.hunt-grid { grid-template-columns: 1fr 1.25fr; }
canvas.hunt-plane { width: 100%; aspect-ratio: 1; max-height: calc(100vh - 330px); min-height: 320px; display: block; cursor: grab; touch-action: none; }
canvas.hunt-chart { width: 100%; height: min(500px, calc(100vh - 380px)); min-height: 300px; display: block; }
.hunt-msg { font: 700 15px var(--mono); color: var(--green); min-height: 20px; }
.hunt-msg.bad { color: var(--pink); }
#huScore.pop { animation: pop .5s cubic-bezier(.2, 1.6, .4, 1); }
@keyframes pop { 0% { transform: scale(1.5); } 100% { transform: scale(1); } }

/* ------------------------------------------------------------ Power */
.power-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 14px; }
.power-grid > .panel, .power-charts .panel { margin: 0; }
.power-charts { display: grid; gap: 14px; }
canvas.power-plane { width: 100%; height: min(600px, calc(100vh - 330px)); min-height: 360px; display: block; cursor: crosshair; touch-action: none; }
canvas.lab-chart { width: 100%; height: 200px; display: block; }
.power-charts canvas.lab-chart { height: min(270px, calc(50vh - 200px)); min-height: 180px; }
canvas.lab-chart.tall { height: 260px; }

/* ------------------------------------------------------------ Flow */
#view-flow.active { display: block; }
.flow-grid { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 14px; height: 100%; }
.flow-stage { min-height: 520px; }
.flow-stage canvas { cursor: crosshair; }
.flow-side { display: flex; flex-direction: column; gap: 14px; overflow-y: auto; scrollbar-width: thin; }
.flow-side .panel { margin: 0; }
canvas.td-chart { width: 100%; aspect-ratio: 1; display: block; cursor: crosshair; }
.flow-formula {
  position: absolute; left: 14px; bottom: 60px; font-size: 17px; pointer-events: none;
  background: rgba(8, 11, 20, .78); border: 1px solid var(--line); border-radius: 10px; padding: 4px 12px;
}
.flow-formula:empty { display: none; }

/* ------------------------------------------------------------ Fibonacci */
.table-wrap { max-height: 230px; overflow: auto; scrollbar-width: thin; margin-top: 10px; }
table.nums { border-collapse: collapse; width: 100%; font: 12px var(--mono); }
table.nums th { position: sticky; top: 0; background: var(--panel2); color: var(--muted); font-weight: 600; text-align: right; padding: 5px 10px; }
table.nums td { text-align: right; padding: 3px 10px; border-bottom: 1px solid var(--line); }
table.nums tr.cur td { background: rgba(255, 201, 60, .12); color: var(--yellow); }
.fib-bottom { margin-top: 14px; }
.fib-bottom canvas.lab-square { height: 360px; }

/* ------------------------------------------------------------ PageRank */
.rank-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 14px; margin-bottom: 14px; }
.rank-stage { height: min(640px, calc(100vh - 110px)); min-height: 440px; }
.rank-stage canvas { cursor: crosshair; }
.rank-side { display: flex; flex-direction: column; gap: 14px; }
.rank-side .panel { margin: 0; }
table.gm { width: auto; margin: 0 auto; }
table.gm td { padding: 3px 12px; }
table.gm td.hi { color: var(--yellow); }
table.gm td.lo { color: var(--dim); }
table.gm th { text-align: center; }
table.gm tr.rk td { border-top: 2px solid var(--line); color: var(--green); }

/* ------------------------------------------------------------ PCA */
#pcaStage canvas { cursor: crosshair; }
canvas.var-chart { width: 100%; height: 130px; display: block; }
canvas.line-chart { width: 100%; height: 56px; display: block; }
.axis-row { display: grid; grid-template-columns: 12px 1fr auto; gap: 8px; align-items: center; font-size: 12px; color: #c3cbe0; margin: 6px 0; }
.axis-row .sw { width: 12px; height: 12px; border-radius: 3px; }
.axis-row b { font-family: var(--mono); }
.vbar { height: 8px; border-radius: 4px; background: var(--bg2); overflow: hidden; grid-column: 2 / 4; margin-top: -2px; }
.vbar i { display: block; height: 100%; }

/* ------------------------------------------------------------ Image SVD */
.img-picks { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-bottom: 10px; }
.img-pick {
  aspect-ratio: 1; border-radius: 9px; border: 1px solid var(--line); background: var(--bg2);
  padding: 0; cursor: pointer; overflow: hidden; transition: .15s;
}
.img-pick canvas { width: 100%; height: 100%; display: block; }
.img-pick:hover { transform: translateY(-2px) scale(1.05); border-color: var(--yellow); }
.img-pick.on { outline: 3px solid var(--yellow); outline-offset: 1px; }
.drop {
  display: flex; flex-direction: column; align-items: center; gap: 4px; text-align: center; font-size: 12px;
  border: 2px dashed var(--line); border-radius: 12px; padding: 10px; cursor: pointer; transition: .15s; color: var(--muted);
}
.drop:hover, .drop.over { border-color: var(--yellow); color: var(--text); background: rgba(255, 201, 60, .05); }
.drop input { display: none; }
.drop b { color: var(--text); }
.svd-images { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-bottom: 14px; }
.svd-images .panel { margin: 0; }
canvas.svd-img { width: 100%; height: 280px; display: block; margin-top: 8px; image-rendering: pixelated; }
.layers { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.layer { background: var(--bg2); border: 1px solid var(--line); border-radius: 10px; padding: 5px; cursor: pointer; transition: .15s; }
.layer:hover { border-color: var(--yellow); transform: translateY(-2px); }
.layer.in { border-color: rgba(255, 201, 60, .6); }
.layer canvas { width: 100%; aspect-ratio: 1; display: block; image-rendering: pixelated; border-radius: 6px; }
.layer div { font: 11px var(--mono); color: var(--muted); text-align: center; margin-top: 3px; }
.layer div b { color: var(--yellow); }
.svd-busy { color: var(--yellow); }

/* ------------------------------------------------------------ Springs */
.springs-stage { height: min(380px, calc(100vh - 520px)); min-height: 300px; margin-bottom: 14px; }
.springs-stage canvas { cursor: ew-resize; }
.springs-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.2fr); gap: 14px; }
.springs-grid .panel { margin: 0; }
.modes { display: grid; grid-template-columns: 1fr; gap: 8px; }
.mode-card {
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 10px; background: var(--bg2);
  border: 1px solid var(--line); border-radius: 10px; padding: 6px 10px; cursor: pointer; transition: .15s;
}
.mode-card:hover { border-color: var(--yellow); }
.mode-card.on { border-color: var(--yellow); box-shadow: 0 0 0 1px var(--yellow); }
.mode-card canvas { width: 100%; height: 44px; display: block; }
.mode-card .mf { font: 12px var(--mono); color: var(--muted); text-align: right; white-space: nowrap; }
.mode-card .mf b { color: var(--yellow); font-size: 14px; }
canvas.amp-chart { width: 100%; height: 120px; display: block; }

.lesson .formula { font-size: 17px; }
.learn ul { padding-left: 18px; margin: 8px 0 0; }
.learn li { margin: 4px 0; }

@media (max-width: 1200px) {
  #view-main.active, #view-pca.active { grid-template-columns: 1fr; grid-template-rows: minmax(460px, 1fr) auto; overflow-y: auto; }
  .live { overflow: visible; }
  .hunt-grid, .power-grid, .rank-grid, .flow-grid { grid-template-columns: 1fr; }
  .springs-grid { grid-template-columns: 1fr 1fr; }
  .svd-images { grid-template-columns: 1fr 1fr 1fr; }
  .flow-grid { height: auto; }
}
@media (max-width: 860px) {
  #view-main.active, #view-pca.active { grid-template-rows: 70vh auto; }
  .springs-grid, .svd-images { grid-template-columns: 1fr; }
  .flow-stage { height: 70vh; }
  .hud-l { font-size: 22px; }
}
.formula math[display="block"] { margin: 4px 0; }