/* Shared teaching surfaces: text and controls remain readable on narrow screens. */
.model-figure{margin:0;background:#edf1e6;border:1px solid #a4b39b;border-radius:12px;padding:24px;min-width:0;color:#293e30}.model-content{min-width:0;font-size:16px;line-height:1.55}.model-content h2,.model-content h3{font:24px/1.2 Georgia,serif;letter-spacing:-.02em;margin:0 0 15px}.model-content p{font-size:16px;line-height:1.55}.model-svg,.model-content>svg{display:block;width:100%;height:auto;overflow:visible}.model-svg text,.model-content svg text{font-family:Arial,Helvetica,sans-serif}.model-controls{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:20px 0 12px}.model-controls label{display:grid;gap:6px;font-size:14px;flex:1 1 160px;min-width:0}.model-controls button,.model-content button{padding:10px 14px;min-height:44px;border:1px solid #63785a;border-radius:5px;background:#faf9f3;font-size:14px;color:#293e30;line-height:1.3}.model-content button[aria-pressed=true],.model-content button[aria-selected=true]{background:#2d4939;color:#faf9f3;border-color:#2d4939}.model-content button:disabled{opacity:.55}.model-content input[type=range]{width:100%;accent-color:#2d4939;min-height:32px}.model-content select,.model-content input[type=number]{width:100%;padding:8px;border:1px solid #63785a;border-radius:4px;background:#faf9f3;min-height:42px;font-size:16px}.model-content output{font-weight:600;font-variant-numeric:tabular-nums}.model-readout{margin:16px 0 0;padding:14px 16px;background:#faf9f3;border-left:3px solid #2d4939;border-radius:0 5px 5px 0;font-size:16px;line-height:1.55;overflow-wrap:anywhere}.model-label{font:600 14px/1.4 Arial,sans-serif;color:#3d513f;margin-bottom:12px}.model-stats{display:flex;flex-wrap:wrap;gap:12px;margin-block:14px}.model-stats>div{flex:1 1 100px;padding:12px;background:#faf9f3;border:1px solid #a4b39b;border-radius:5px;min-width:0}.model-key{display:flex;gap:12px;flex-wrap:wrap;font-size:14px;line-height:1.5;margin:14px 0}.model-caption{font:14px/1.6 Arial,sans-serif;color:#465742;border-top:1px solid #a4b39b;margin-top:18px;padding-top:13px;overflow-wrap:anywhere}.model-content table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.5}.model-content td,.model-content th{padding:9px 7px;border-bottom:1px solid #a4b39b;text-align:left;overflow-wrap:anywhere}.model-content th{font-weight:600}.model-content .visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.model-content [tabindex]:focus-visible,.model-content button:focus-visible,.model-content input:focus-visible,.model-content select:focus-visible{outline:3px solid #2d4939;outline-offset:4px}.model-content .model-note{font-size:14px;line-height:1.6;color:#465742;margin-top:12px}@media(max-width:600px){.model-figure{padding:18px 14px}.model-content h2,.model-content h3{font-size:23px}.model-controls{gap:8px}.model-controls label{flex-basis:140px}.model-content th,.model-content td{padding:8px 5px}.model-caption{font-size:14px}}@media(prefers-reduced-motion:reduce){.model-figure *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.guide-document{padding-block:45px;max-width:820px;font-size:18px;line-height:1.7}.guide-document h1{font-size:48px;margin-bottom:22px}.guide-document section{margin:32px 0}.guide-document h2{font-size:28px;margin-bottom:12px}.guide-document a{text-decoration:underline}.guide-document li{margin-bottom:12px}@media(max-width:600px){.guide-document h1{font-size:36px}.guide-document h2{font-size:26px}}