@import"https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&family=Fraunces:opsz,wght@9..144,450;9..144,600&display=swap";:root{--ink:#25332f;--muted:#65716c;--canvas:#f4efe5;--paper:rgba(255,253,247,.84);--line:rgba(54,82,72,.14);--green:#23735f;--mint:#7fcab0;--coral:#e47d67;--gold:#d4a853;--lav:#66509a;--shadow:0 20px 55px rgba(57,71,61,.07)}*{box-sizing:border-box}html{background:#e8e2d6;scroll-behavior:smooth;overflow-x:hidden}body{margin:0;min-width:320px;overflow-x:hidden;color:var(--ink);font-family:DM Sans,sans-serif;background:radial-gradient(circle at 48% 18%,#fff 0,transparent 31%),linear-gradient(135deg,#f5f0e7,#fbf8f0 50%,#eee8dd);min-height:100vh}button{font:inherit;color:inherit}button:focus-visible,a:focus-visible{outline:2px solid var(--green);outline-offset:3px}.topbar{max-width:1720px;height:88px;margin:auto;padding:0 26px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.brand{text-decoration:none;color:var(--ink);display:flex;align-items:baseline;gap:13px}.brand strong{font:600 clamp(25px,2vw,39px)/1 "Fraunces",serif;letter-spacing:-.04em}.brand sup{font:600 11px DM Sans;color:var(--coral);margin-left:3px}.brand em{font:italic 12px Fraunces;color:var(--lav)}nav{display:flex;gap:3px}nav button,.about{border:0;background:transparent;padding:11px 15px;border-radius:30px;cursor:pointer;font-size:12px}.nav-active{background:#2e8b7217!important;box-shadow:inset 0 0 0 1px #2e8b721f}.about{justify-self:end;text-decoration:none;color:var(--ink)}.about span{color:var(--green)}.workspace{max-width:1720px;height:min(710px,calc(100vh - 112px));min-height:620px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:270px minmax(580px,1fr) 320px;gap:17px}.panel{border:1px solid var(--line);border-radius:26px;background:var(--paper);box-shadow:var(--shadow),inset 0 1px #fff;overflow:hidden}.library{padding:18px 14px;display:flex;flex-direction:column}.panel-title{height:36px;padding:0 7px 12px;display:flex;justify-content:space-between;align-items:center;font-size:10px;letter-spacing:.13em;font-weight:600}.panel-title small{font-size:9px;color:var(--muted);letter-spacing:0}.component-list{display:flex;flex-direction:column;gap:5px}.component-item{width:100%;min-height:72px;border:1px solid transparent;border-radius:15px;background:transparent;padding:8px;display:grid;grid-template-columns:50px 1fr 14px;align-items:center;gap:10px;text-align:left;cursor:pointer;transition:.2s}.component-item:hover{background:#ffffff80}.component-item.active{border-color:color-mix(in srgb,var(--item),transparent 62%);background:color-mix(in srgb,var(--item),white 91%);box-shadow:0 7px 18px #31634f0f}.component-icon{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 35% 28%,#fff,color-mix(in srgb,var(--item),white 76%));font:600 19px Fraunces;color:color-mix(in srgb,var(--item),#25332f 25%)}.component-item b{display:block;font:500 16px/1.1 Fraunces}.component-item small{color:var(--muted);font-size:9px}.component-item>span:last-child{color:var(--coral)}blockquote{margin:auto 5px 0;padding:14px 15px;background:#fff3ca;box-shadow:0 6px 12px #4b442c1a;transform:rotate(-1.5deg)}blockquote span{color:var(--lav);font:italic 11px Fraunces}blockquote p{margin:7px 0 0;font:500 12px/1.45 Fraunces}.viewer{position:relative;background:radial-gradient(circle at 50% 46%,#fffffff2,#f4f0e6b8 57%,#e5ece4ad);min-width:0}.viewer-glow{position:absolute;inset:17% 19%;border-radius:50%;background:#5abb961a;filter:blur(52px)}#gpu-canvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none}.model-status{position:absolute;z-index:9;left:50%;top:50%;transform:translate(-50%,-50%);padding:10px 14px;border:1px solid var(--line);border-radius:20px;background:#fffdf8e6;box-shadow:var(--shadow);font-size:10px}.model-status span{display:inline-block;width:8px;height:8px;margin-right:6px;border-radius:50%;background:var(--green);animation:pulse 1s infinite alternate}@keyframes pulse{to{opacity:.25;transform:scale(.72)}}.toolbar{position:absolute;z-index:6;left:17px;top:50%;transform:translateY(-50%);width:64px;padding:6px 5px;border:1px solid var(--line);border-radius:20px;background:#fffdf8d6;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:0 12px 28px #2e4a3d17}.toolbar button{width:100%;height:59px;border:0;border-radius:12px;background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;font:500 8px DM Sans;cursor:pointer}.toolbar button span{font-size:17px}.toolbar button:hover,.toolbar button.active{background:#2e8b7217;color:var(--green)}.tip{position:absolute;z-index:4;right:17px;top:18px;width:155px;padding:14px 16px;background:#fff1bf;box-shadow:0 7px 14px #58482e1c;transform:rotate(3deg)}.tip span{color:var(--lav);font:italic 11px Fraunces}.tip p{margin:7px 0 0;font:500 12px/1.45 Fraunces}.viewer-caption{position:absolute;left:98px;bottom:17px;display:flex;flex-direction:column;gap:2px}.viewer-caption span{color:var(--muted);font-size:8px;letter-spacing:.12em}.viewer-caption strong{font:500 12px Fraunces}.flow-toggle{position:absolute;right:16px;bottom:15px;border:1px solid rgba(46,139,114,.24);border-radius:13px;padding:9px 13px;background:#f9fdf9e0;box-shadow:0 5px 14px #2e4a3d14;font:500 10px Fraunces;cursor:pointer}.flow-toggle span{color:var(--green);margin-right:5px}.lesson-toast{position:absolute;left:50%;bottom:62px;transform:translate(-50%);z-index:8;min-width:280px;padding:12px 16px;border:1px solid rgba(46,139,114,.25);border-radius:13px;background:#f5fdf9f0;box-shadow:0 10px 30px #2e4a3d21;text-align:center}.lesson-toast b{display:block;font:600 11px Fraunces;color:var(--green)}.lesson-toast span{font-size:10px;color:var(--muted)}.hotspot{position:absolute;z-index:5;width:14px;height:14px;border:0;border-radius:50%;background:var(--hot);box-shadow:0 0 0 5px color-mix(in srgb,var(--hot),transparent 77%),0 0 18px color-mix(in srgb,var(--hot),transparent 32%);cursor:pointer;transform:translate(-50%,-50%);transition:opacity .2s,transform .2s}.hotspot:hover,.hotspot.active{transform:translate(-50%,-50%) scale(1.3)}.hotspot:after{content:attr(aria-label);position:absolute;left:19px;top:-9px;width:max-content;max-width:125px;padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:#fffdf8eb;box-shadow:0 7px 18px #273d3317;font:500 9px DM Sans;color:var(--ink);opacity:0;pointer-events:none;transition:.2s}.hotspot:hover:after,.hotspot.active:after{opacity:1}.info{padding:21px 20px 17px;overflow:auto}.info-kicker{font-size:9px;letter-spacing:.14em;font-weight:600}.info-kicker span{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);margin-right:6px}.info-head{margin-top:17px;display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.info-head>div:first-child{min-width:0}.info h1{margin:0;font:600 clamp(28px,2vw,36px)/.98 "Fraunces";letter-spacing:-.04em;overflow-wrap:anywhere}.info-head em{display:block;margin-top:7px;color:var(--lav);font:italic 12px Fraunces}.specimen-icon{width:60px;height:60px;flex:0 0 60px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle,#fff 25%,#50a48326);font:600 24px Fraunces;color:var(--green)}.description{margin:21px 0 16px;font:500 14px/1.48 Fraunces}.rule{height:1px;background:var(--line)}.info h2{margin:16px 0 11px;font-size:9px;letter-spacing:.13em;text-transform:uppercase}.facts{margin:0;display:flex;flex-direction:column;gap:11px}.facts>div{display:grid;grid-template-columns:90px 1fr;gap:8px}.facts dt{font:500 11px Fraunces}.facts dt span{display:inline-block;width:15px;color:var(--coral)}.facts dd{margin:0;color:var(--muted);font:500 10px/1.35 DM Sans}.bottleneck{margin-top:15px;padding:11px;border-radius:12px;background:#e47d6714;font-size:10px;line-height:1.4;color:#8b584c}.bottleneck b{display:block;color:var(--ink);font:600 10px Fraunces;margin-bottom:3px}.learn-button{width:100%;min-height:42px;margin-top:14px;border:0;border-radius:10px;background:linear-gradient(110deg,#348e75,#2b7c68);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 15px;font-size:10px;cursor:pointer;box-shadow:0 9px 20px #2b7c6829}.lesson-progress{margin-top:12px;display:flex;align-items:center;gap:5px}.lesson-progress>span{height:3px;flex:1;border-radius:4px;background:#e3e3dc}.lesson-progress .done{background:var(--green)}.lesson-progress small{color:var(--muted);font-size:8px;margin-left:4px}.learning-grid{max-width:1720px;margin:17px auto 28px;padding:0 24px;display:grid;grid-template-columns:1.05fr repeat(3,1fr);gap:16px}.learning-grid article{min-height:190px;border:1px solid var(--line);border-radius:22px;background:var(--paper);box-shadow:var(--shadow);padding:17px;position:relative;overflow:hidden}.curiosity{display:flex;flex-direction:column;justify-content:center;padding-left:30px!important}.curiosity>span{color:var(--coral);font-size:24px}.curiosity p{font:500 17px/1.35 Fraunces;margin:8px 0}.curiosity em{color:var(--lav);font:italic 11px Fraunces}.card-kicker{font-size:8px;letter-spacing:.13em;color:var(--muted)}.learning-grid h3{margin:10px 0 3px;font:600 15px Fraunces}.learning-grid article>p{margin:0;color:var(--muted);font-size:9px}.mini-art,.compare-art,.flow-art{height:92px;margin-top:8px;border-radius:14px;background:radial-gradient(circle,#fff,#edf5ef);display:flex;align-items:center;justify-content:center}.die-art i{width:30px;height:30px;margin:-2px;border:1px solid #d8b45d;background:linear-gradient(135deg,#247660,#5cc09c);box-shadow:inset 0 0 0 3px #ffffff26}.compare-art{gap:12px;font:600 14px Fraunces;color:var(--green)}.compare-art b{padding:14px 12px;border:1px solid rgba(46,139,114,.2);border-radius:8px;background:#fff}.compare-art span{font:italic 10px Fraunces;color:var(--coral)}.flow-art{gap:16px}.flow-art span{width:17px;height:17px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px #2e8b721f;position:relative}.flow-art span:not(:last-child):after{content:"";position:absolute;left:22px;top:8px;width:12px;height:1px;background:var(--gold)}@media(max-width:1150px){.workspace{grid-template-columns:230px minmax(500px,1fr)}.info{grid-column:1/-1;height:auto}.learning-grid{grid-template-columns:repeat(2,1fr)}.topbar{grid-template-columns:1fr auto}.topbar nav{display:none}}@media(max-width:900px){.topbar{height:70px;padding:0 13px}.brand em,.about{display:none}.workspace{height:auto;min-height:0;padding:0 10px;display:flex;flex-direction:column}.viewer{height:66vh;min-height:510px;order:1}.library{order:2}.info{order:3}.component-list{display:grid;grid-template-columns:1fr 1fr}.toolbar{inset:auto 10px 54px;transform:none;width:auto;display:flex}.toolbar button{height:54px}.tip{width:125px}.flow-toggle{bottom:10px}.viewer-caption{display:none}.learning-grid{padding:0 10px;grid-template-columns:1fr 1fr}.curiosity{display:none}.info h1{font-size:34px}}@media(max-width:460px){.component-list,.learning-grid{grid-template-columns:1fr}.viewer{min-height:480px}.tip{display:none}.toolbar button{font-size:0}.toolbar button span{font-size:18px}.lesson-toast{min-width:250px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation-duration:.01ms!important}}