.studio-toolbar{display:flex;gap:14px;flex-wrap:wrap;align-items:end;margin:24px 0}.studio-toolbar label,.studio-grid label,.studio-row label{display:grid;gap:7px;font-size:14px}.studio-toolbar input,.studio-toolbar select,.studio-grid input,.studio-grid select,.studio-row input,.studio-row select{padding:10px;border:1px solid #bbb;border-radius:3px;min-width:0;width:100%;font:inherit;background:#fff;color:#151515}.studio-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:18px;margin:22px 0}.studio-check{display:flex!important;align-items:center;gap:8px!important}.studio-check input{width:auto!important}.studio-branch{margin:25px 0;padding:25px;background:white;border:1px solid #ccc;border-top:3px solid var(--accent)}.studio-branch h3{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-top:0}.studio-branch button,.studio-toolbar button,[data-eq-lab] button{padding:9px 15px;border:1px solid #aaa;background:#f7f5f2;border-radius:3px;cursor:pointer;color:#151515;font:inherit;font-size:14px}.studio-branch details{margin-top:18px;border-top:1px solid #ddd;padding-top:15px}.studio-row{display:grid;grid-template-columns:1.5fr .8fr 1fr 1fr 1fr auto;gap:8px;margin:15px 0;padding:12px;background:#f4f4f4;align-items:end}.studio-output{margin:30px 0;padding:25px;background:#fff;border:1px solid #ccc}.studio-output svg,[data-eq-lab] svg,[data-match-lab] svg{width:100%;height:auto;display:block}.studio-output svg text,[data-eq-lab] svg text,[data-match-lab] svg text{font:12px system-ui;fill:#555}.studio-legend{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;margin:10px 0 25px}.studio-legend span:before{content:'';display:inline-block;width:22px;height:3px;background:var(--curve);margin-right:8px;vertical-align:middle}.studio-toggles{display:flex;gap:20px;flex-wrap:wrap}.studio-net{margin:18px 0;padding:15px;border-left:3px solid var(--accent);background:#fafafa}.studio-mode-note,#studio-warning{padding:16px;background:#f1e7e9;font-size:14px;line-height:1.7}.small{font-size:13px!important;color:#555}.advanced-section{margin:40px 0}.advanced-section h2{font-size:clamp(25px,4vw,38px);line-height:1.25}.advanced-section p{max-width:850px;line-height:1.8}.advanced-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}.advanced-card{padding:24px;border:1px solid #ccc;background:#fff}.advanced-card h3{font-size:22px;line-height:1.3;margin:0 0 12px}.advanced-tasks details{padding:16px 20px;border:1px solid #ddd;background:#fff;margin:14px 0}.advanced-tasks summary{cursor:pointer;font-weight:600}.advanced-tasks li{margin:9px 0}.advanced-hero{padding:55px 0 25px}.advanced-hero h1{font-size:clamp(36px,6vw,64px);line-height:1.1;letter-spacing:-.04em;max-width:1000px}.advanced-hero p{font-size:20px;max-width:850px}.brand-crop{width:60px;height:57px;overflow:hidden;position:relative;display:inline-block;vertical-align:middle;margin-right:14px}.brand-crop img{position:absolute;width:275px;max-width:none;left:-30px;top:-71px}.teacher-links{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}.teacher-links a{padding:12px 16px;background:var(--accent);color:white;text-decoration:none}.mini-diagram{max-width:700px;background:#fff;border:1px solid #ddd;padding:20px}.mini-diagram svg{width:100%;height:auto}.mini-diagram text{font:16px system-ui;fill:#151515}.advanced-tasks .pen-sheet{overflow-x:auto}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}@media(max-width:650px){.studio-branch,.studio-output{padding:14px}.studio-row{grid-template-columns:repeat(2,minmax(0,1fr))}.studio-toolbar{align-items:stretch;flex-direction:column}.studio-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.studio-branch h3{font-size:22px}.studio-output svg text{font-size:14px}}

.studio-diagram-scroll{overflow-x:auto;margin:20px 0;padding:15px;background:#fff;border:1px solid #ddd}.studio-diagram-scroll svg{display:block;max-width:none}