/* Hallmark · macrostructure: Workbench · modern minimal · P4 H5 E4 S5 R5 V4 */
:root{--paper:oklch(98% .004 90);--ink:oklch(20% .01 260);--muted:oklch(45% .015 260);--line:oklch(84% .007 260);--accent:oklch(26% .02 260);--panel:oklch(100% 0 0);--contrast:oklch(100% 0 0);--font-body:Arial,sans-serif;--font-display:Arial,sans-serif;--space-sm:12px;--space-md:24px;--space-lg:48px}*{box-sizing:border-box}html,body{margin:0;overflow-x:clip}body{font:16px/1.6 var(--font-body);background:var(--paper);color:var(--ink)}a{color:inherit;text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button,a:focus-visible,select:focus-visible{outline-offset:4px}a:focus-visible,button:focus-visible,select:focus-visible{outline:3px solid var(--accent)}.wrap{max-width:1440px;padding:0 40px;margin:auto}header{padding:24px 0;display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line)}header a{white-space:nowrap;font-size:14px}header strong{font-size:16px}h1{font-size:clamp(42px,5vw,72px);line-height:1.04;letter-spacing:-3px;font-weight:600;margin:0;max-width:800px}h1,h2,h3{overflow-wrap:anywhere;font-style:normal}h2{font-size:30px;line-height:1.2;letter-spacing:-1px}h3{font-size:22px;line-height:1.3}.hero{padding:64px 0 44px;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:60px;align-items:end}.hero p{margin:0;max-width:520px;color:var(--muted);font-size:18px}.workspace{border-top:1px solid var(--line);padding-top:24px}.themes{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}button,select{font:inherit;color:inherit;background:var(--panel);border:1px solid var(--line);padding:10px 16px;cursor:pointer;border-radius:0}button{white-space:nowrap}button[aria-pressed=true]{background:var(--accent);color:var(--contrast);border-color:var(--accent)}button:hover{filter:brightness(.94)}button:disabled{opacity:.4;cursor:default}.viewer-grid{display:grid;grid-template-columns:minmax(0,2.6fr) minmax(0,1fr);gap:32px}figure{margin:0}.slide-stage{background:var(--panel);border:1px solid var(--line);aspect-ratio:16/9}.slide-stage img{display:block;width:100%;height:100%;object-fit:contain}figcaption{display:flex;gap:16px;align-items:center;justify-content:space-between;margin-top:14px}.pager{display:flex;gap:8px}.pager button{padding:8px 16px}#slide-label{font-size:14px;color:var(--muted)}aside h2{margin:0 0 14px}aside p{font-size:15px;color:var(--muted)}.downloads{display:flex;flex-direction:column;gap:14px;margin:24px 0}.downloads a{font-size:15px;width:fit-content;white-space:nowrap}.primary-link{background:var(--accent);color:var(--contrast);padding:12px 20px;text-decoration:none}.notes{border-top:1px solid var(--line);margin-top:36px;padding-top:24px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:32px}.notes label{display:block;margin-bottom:10px}.notes p{margin:0;font-size:17px;max-width:860px}.notes small{display:block;margin-top:18px;color:var(--muted)}details{margin-top:28px;border-top:1px solid var(--line);padding-top:20px}summary{cursor:pointer}pre{white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.7 monospace;background:var(--panel);padding:24px;max-height:450px;overflow:auto}.adapt{padding:48px 0;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:60px;border-top:1px solid var(--line);margin-top:48px}.adapt h2{font-size:38px}.adapt li{padding:0 0 16px}.boundary{font-size:14px;color:var(--muted);max-width:1000px}footer{padding:24px 0 40px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}footer p{max-width:940px}@media(max-width:850px){.hero{grid-template-columns:1fr;gap:24px;padding:40px 0}.viewer-grid,.notes,.adapt{grid-template-columns:1fr;gap:24px}.wrap{padding:0 20px}.themes button{flex:1}header strong{max-width:190px;line-height:1.3}h1{letter-spacing:-2px}.downloads{flex-direction:row;flex-wrap:wrap;gap:18px}.adapt{margin-top:32px;padding:24px 0}.notes select{max-width:100%}}@media(max-width:375px){.wrap{padding:0 16px}.themes button{font-size:13px;padding:10px}.pager button{padding:8px 12px}figcaption{align-items:flex-start}header strong{max-width:170px}header a{font-size:12px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}