/* Teal Blend (gavin.casa dark tokens): paper #0E1616, card #161E1E, rule #2A3333, ink #EDE9E2, soft #A39E94, accent #2AA0A0, hover #3AA8A8. */
:root { --bg:#0E1616; --panel:#161E1E; --ink:#EDE9E2; --muted:#A39E94; --accent:#2AA0A0; --accent-hover:#3AA8A8; --line:#2A3333; }
* { box-sizing: border-box; }
html { color-scheme: dark; }
body { margin:0; background:var(--bg); color:var(--ink); font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
header, main, footer { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
header { padding-top: 24px; }
h1 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); margin: 0 0 8px; }
h2 { font-size: 1.15rem; margin: 0 0 4px; }
.lede { color: var(--muted); max-width: 60em; margin: 0 0 18px; }
a { color: var(--accent); }
.views { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 700px) { .views { grid-template-columns: 1fr; } }
.view { margin: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.frame { position: relative; aspect-ratio: 4 / 3; }
.frame canvas { display:block; width:100%; height:100%; }
.scale-tag { position:absolute; left:10px; top:10px; font-size:.8rem; padding:3px 8px; border-radius:999px; background:rgba(14,22,22,.85); border:1px solid var(--line); color:var(--muted); }
body[data-mode="exaggerated"] .scale-tag { color:var(--bg); background:var(--accent); border-color:var(--accent); font-weight:600; }
figcaption { padding: 12px 14px 14px; }
.big { font-size: 1.5rem; font-weight: 700; margin: 2px 0; font-variant-numeric: tabular-nums; }
.big .sub { font-size: 1rem; font-weight: 400; color: var(--muted); }
.phase-label { margin: 0; color: var(--muted); }
.ratio-line { font-size: 1.3rem; text-align: center; margin: 18px 0; }
.ratio-line strong { color: var(--accent); }
.controls { display:grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; background: var(--panel); border:1px solid var(--line); border-radius:12px; padding: 16px; }
@media (max-width: 700px) { .controls { grid-template-columns: 1fr; } }
.control { display:flex; flex-direction:column; gap:6px; }
.control > label, legend { font-weight: 600; }
.readout { font-variant-numeric: tabular-nums; color: var(--ink); }
.readout span { color: var(--muted); }
.ends { display:flex; justify-content:space-between; font-size:.8rem; color:var(--muted); }
input[type=range] { width:100%; accent-color: var(--accent); height: 28px; }
fieldset.mode { border:1px solid var(--line); border-radius:10px; padding:10px 12px; margin:0; grid-column: 1 / -1; flex-direction:row; flex-wrap:wrap; align-items:center; gap: 10px 20px; }
fieldset.mode label { display:flex; gap:6px; align-items:center; cursor:pointer; }
fieldset.mode input { width:18px; height:18px; accent-color: var(--accent); }
button { font: inherit; font-weight:600; padding: 8px 18px; border-radius: 8px; border: 1px solid var(--accent); background: transparent; color: var(--accent); cursor: pointer; margin-left: auto; }
button:hover { background: rgba(42,160,160,.12); color: var(--accent-hover); border-color: var(--accent-hover); }
:focus-visible { outline: 3px solid var(--accent-hover); outline-offset: 3px; border-radius: 4px; }
.mode-explain { grid-column: 1 / -1; margin: 0; color: var(--muted); }
body[data-mode="true"] .exag-only, body[data-mode="exaggerated"] .true-only { display:none; }
body[data-mode="exaggerated"] .exag-only strong:first-child { color: var(--accent); }
.formula { margin: 18px 0; background: var(--panel); border:1px solid var(--line); border-radius:12px; padding: 14px 16px; font-variant-numeric: tabular-nums; }
.formula p { margin: 4px 0; overflow-wrap: anywhere; }
.formula .eq { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 1.1rem; color: var(--accent); }
.formula .who { font-weight: 600; }
.panel { background: var(--panel); border:1px solid var(--line); border-radius:12px; padding: 12px 16px; margin: 0 0 14px; }
.panel summary { cursor:pointer; font-weight:700; font-size:1.1rem; }
.panel h3 { font-size: 1rem; margin: 14px 0 4px; }
.panel li { margin: 6px 0; }
footer { color: var(--muted); font-size: .9rem; padding-bottom: 30px; }