:root { --font-size: 100%; --ink: #173047; --paper: #fffdf7; --panel: #fff; --edge: #627483; --accent: #086c62; --soft: #e5f5ef; --focus: #a02d00; font-family: system-ui, sans-serif; font-size: var(--font-size); }
    * { box-sizing: border-box; }
    body { margin: 0; color: var(--ink); background: var(--paper); line-height: 1.5; }
    body.contrast { --ink: #fff; --paper: #000; --panel: #000; --edge: #fff; --accent: #ffeb66; --soft: #000; --focus: #80d8ff; }
    .skip { position: absolute; left: -10000px; top: auto; }
    .skip:focus { left: 1rem; top: 1rem; z-index: 10; padding: .5rem; background: var(--panel); }
    header, main, footer { max-width: 72rem; margin-inline: auto; padding: 1rem; }
    header { padding-top: 1.5rem; }
    h1 { margin: 0; font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15; }
    h2 { margin-block: .2rem .8rem; font-size: 1.35rem; }
    h3 { margin-block: .9rem .35rem; }
    .eyebrow { font-weight: 700; color: var(--accent); margin: 0 0 .4rem; }
    .tool-nav { display: flex; flex-wrap: wrap; gap: .8rem; margin: .3rem 0 1rem; }
    .intro { max-width: 67ch; }
    .grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(17rem, .75fr); gap: 1rem; }
    @media (max-width: 47rem) { .grid { grid-template-columns: 1fr; } }
    .panel { border: 2px solid var(--edge); background: var(--panel); border-radius: 1rem; padding: 1rem; min-width: 0; }
    label { display: block; font-weight: 700; margin-bottom: .35rem; }
    select, button { font: inherit; color: var(--ink); background: var(--panel); border: 2px solid var(--edge); border-radius: .65rem; padding: .55rem .75rem; min-height: 2.75rem; }
    select { width: 100%; margin-bottom: .8rem; }
    button { cursor: pointer; }
    button:hover, button[aria-pressed="true"] { background: var(--soft); }
    button:focus-visible, select:focus-visible, a:focus-visible { outline: 4px solid var(--focus); outline-offset: 3px; }
    .buttons { display: flex; flex-wrap: wrap; gap: .55rem; margin-block: .8rem; }
    .settings { display: flex; align-items: center; flex-wrap: wrap; gap: .55rem; margin-top: 1rem; }
    .settings label { margin: 0; }
    .settings select { width: auto; min-width: 9rem; margin: 0; }
    .primary { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 700; }
    body.contrast .primary { color: #000; }
    .target { font-size: 1.5rem; font-weight: 800; margin: .45rem 0; }
    .model { font-size: 1.25rem; font-weight: 700; padding: .65rem; background: var(--soft); border-radius: .6rem; }
    .visual { min-height: 8rem; border: 2px dashed var(--edge); border-radius: .8rem; padding: .65rem; }
    .bundle { display: inline-flex; flex-wrap: wrap; width: 7.2rem; gap: .1rem; padding: .3rem; margin: .25rem; border: 3px solid var(--accent); border-radius: .35rem; vertical-align: top; }
    .cell { width: 1.15rem; height: 1.15rem; border: 1px solid var(--ink); background: var(--soft); }
    .one { display: inline-block; width: 1.25rem; height: 1.25rem; border: 2px solid var(--ink); border-radius: 50%; margin: .2rem; background: var(--accent); }
    .feedback { min-height: 3rem; padding: .8rem; border-left: .4rem solid var(--accent); background: var(--soft); }
    .hint { font-size: .95rem; }
    a { color: var(--accent); }
    body.contrast a { color: #ffeb66; }
    .print-note { border-top: 1px solid var(--edge); margin-top: 1rem; padding-top: .75rem; }
    @media print { :root { --font-size: 100%; } body, body.contrast { --ink: #000; --paper: #fff; --panel: #fff; --edge: #000; --accent: #000; --soft: #fff; background: #fff; color: #000; } a, body.contrast a { color: #000; } .controls, .buttons, footer, .skip { display: none !important; } .grid { display: block; } .panel { border-color: #000; break-inside: avoid; margin-bottom: .7rem; } .visual { min-height: 5rem; } .feedback { display: none; } }
.resource-heading-context{display:block;margin-top:.8rem;font-size:.8rem;line-height:1.5;font-weight:650;letter-spacing:.02em;color:#4c625a}