:root{--ink:#1c211f;--muted:#6e7672;--line:#dde2df;--soft:#f4f6f5;--accent:#d95861;--dark:#202624;--panel:320px;--right:340px}
*{box-sizing:border-box}html,body{height:100%;margin:0}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:#e9edeb}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}button,input,textarea,select{font:inherit}button{cursor:pointer}.studio{height:100%;display:grid;grid-template-rows:64px 1fr;overflow:hidden}.topbar{display:flex;align-items:center;gap:22px;padding:0 18px;background:#fff;border-bottom:1px solid var(--line);z-index:4}.brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;min-width:282px;font-weight:730}.brand small{font-size:10px;color:var(--muted);font-weight:600;letter-spacing:.08em;text-transform:uppercase}.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:var(--dark);color:#fff;font-family:Georgia,serif}.project-name{flex:1}.project-name input{width:min(410px,100%);border:1px solid transparent;background:transparent;border-radius:7px;padding:8px 10px;font-weight:650}.project-name input:hover,.project-name input:focus{border-color:var(--line);outline:none;background:var(--soft)}.top-actions{display:flex;align-items:center;gap:8px}.button,.icon-btn,.text-btn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:9px 13px;font-weight:650;font-size:13px;color:var(--ink)}.button:hover,.icon-btn:hover{background:var(--soft)}.button.primary{background:var(--dark);color:#fff;border-color:var(--dark)}.icon-btn{width:36px;padding:8px;font-size:18px}.icon-btn:disabled{opacity:.35}.text-btn{border:0;background:transparent;color:var(--muted);padding:4px}.workspace{display:grid;grid-template-columns:var(--panel) minmax(440px,1fr) var(--right);min-height:0}.panel{background:#fff;min-height:0;overflow:auto}.library-panel{border-right:1px solid var(--line)}.settings-panel{border-left:1px solid var(--line)}.panel-head{padding:22px 20px 12px}.eyebrow{display:block;color:var(--accent);font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:5px}.panel h1{font-size:20px;margin:0}.search{margin:0 16px 14px;display:flex;align-items:center;gap:7px;padding:8px 11px;border:1px solid var(--line);border-radius:8px;color:var(--muted)}.search input{border:0;outline:0;width:100%;font-size:13px}.block-group{border-top:1px solid var(--line)}.block-group h2{font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin:0;padding:15px 18px 8px}.block-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px;padding:0 12px 15px}.block-card{min-height:76px;text-align:left;border:1px solid var(--line);border-radius:9px;padding:10px;background:#fff;color:var(--ink);transition:.15s ease}.block-card:hover{transform:translateY(-1px);border-color:#aeb8b3;box-shadow:0 5px 14px rgba(24,34,30,.07)}.block-card .block-icon{display:block;font-size:18px;margin-bottom:7px}.block-card strong{display:block;font-size:11px;line-height:1.25}.canvas-area{position:relative;min-width:0;min-height:0;overflow:auto;background:#e9edeb;padding:62px 26px 32px}.canvas-toolbar{position:absolute;z-index:3;top:0;left:0;right:0;height:50px;padding:0 20px;display:flex;align-items:center;justify-content:center;border-bottom:1px solid #d8ddda;background:rgba(244,246,245,.94);backdrop-filter:blur(10px)}.view-switcher{display:flex;padding:3px;background:#e1e5e3;border-radius:8px}.view-switcher button{border:0;background:transparent;border-radius:6px;font-size:11px;padding:6px 10px;color:var(--muted)}.view-switcher button.active{background:#fff;color:var(--ink);box-shadow:0 1px 4px rgba(0,0,0,.12)}.save-status{position:absolute;left:20px;font-size:11px;color:var(--muted)}.canvas-toolbar>.text-btn{position:absolute;right:20px}.canvas-shell{margin:auto;background:#fff;box-shadow:0 12px 35px rgba(25,35,30,.14);height:calc(100% - 2px);min-height:660px;transition:width .25s ease;border-radius:4px;overflow:hidden}.canvas-shell.desktop{width:100%;max-width:1280px}.canvas-shell.tablet{width:768px}.canvas-shell.mobile{width:390px}.canvas-shell iframe{width:100%;height:100%;border:0;background:#fff}.outline{display:none;width:min(720px,100%);margin:18px auto 0}.outline.open{display:block}.outline-row{display:grid;grid-template-columns:32px 1fr auto;align-items:center;background:#fff;border:1px solid var(--line);border-bottom:0;padding:8px 10px;cursor:pointer}.outline-row:first-child{border-radius:9px 9px 0 0}.outline-row:last-child{border-bottom:1px solid var(--line);border-radius:0 0 9px 9px}.outline-row.selected{box-shadow:inset 3px 0 var(--accent);background:#fff9f9}.outline-row[draggable=true]{cursor:grab}.outline-row.drag-over{border-top:2px solid var(--accent)}.outline-row .handle{color:#9ba39f}.outline-row strong{font-size:12px}.outline-row small{display:block;color:var(--muted);margin-top:2px}.row-actions{display:flex;gap:3px}.row-actions button{border:0;background:transparent;padding:5px;color:var(--muted)}.settings-tabs{position:sticky;top:0;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);height:48px;background:#fff;border-bottom:1px solid var(--line)}.settings-tabs button{border:0;background:transparent;font-size:12px;font-weight:700;color:var(--muted);border-bottom:2px solid transparent}.settings-tabs button.active{color:var(--ink);border-color:var(--accent)}.settings-content{padding:19px}.settings-title{display:flex;justify-content:space-between;align-items:start;margin-bottom:18px}.settings-title h2{font-size:18px;margin:2px 0}.settings-title p{font-size:11px;color:var(--muted);margin:4px 0 0}.field-group{padding:16px 0;border-top:1px solid var(--line)}.field-group:first-of-type{border-top:0}.field-group h3{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin:0 0 12px}.field{display:block;margin-bottom:12px}.field>span{display:flex;justify-content:space-between;font-size:11px;font-weight:700;margin-bottom:6px}.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:7px;background:#fff;padding:9px 10px;font-size:12px;outline:none;color:var(--ink)}.field textarea{min-height:76px;resize:vertical;line-height:1.5}.field input:focus,.field textarea:focus,.field select:focus{border-color:#8c9992;box-shadow:0 0 0 3px rgba(108,125,116,.1)}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:9px}.color-input{display:grid!important;grid-template-columns:42px 1fr;gap:8px}.color-input input[type=color]{height:36px;padding:3px}.toggle-row{display:flex;align-items:center;justify-content:space-between;font-size:12px;padding:7px 0}.toggle-row input{accent-color:var(--accent)}.danger{color:#a7353e!important}.empty-settings{padding:35px 16px;text-align:center;color:var(--muted)}.empty-settings .big-icon{font-size:38px;display:block;margin-bottom:12px}.inline-actions{display:flex;gap:7px;flex-wrap:wrap}.inline-actions .button{font-size:11px;padding:7px 9px}.modal{border:0;border-radius:14px;padding:0;width:min(820px,calc(100% - 32px));max-height:86vh;box-shadow:0 25px 80px rgba(0,0,0,.28)}.modal::backdrop{background:rgba(20,25,23,.55);backdrop-filter:blur(3px)}.modal-inner{padding:24px}.modal-head{display:flex;justify-content:space-between;align-items:start;margin-bottom:20px}.modal-head h2{margin:0;font-size:22px}.modal-close{border:0;background:var(--soft);border-radius:99px;width:32px;height:32px}.export-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.export-option{border:1px solid var(--line);border-radius:10px;padding:16px;text-align:left;background:#fff}.export-option:hover{border-color:#9ba7a1}.export-option strong{display:block;margin-bottom:5px}.export-option span{font-size:12px;color:var(--muted)}.validation-list{display:grid;gap:8px}.validation-item{display:grid;grid-template-columns:24px 1fr;padding:11px;background:var(--soft);border-radius:8px}.validation-item b{font-size:13px}.validation-item p{font-size:11px;color:var(--muted);margin:3px 0 0}.validation-item.pass .status{color:#258457}.validation-item.warn .status{color:#bb7720}.validation-item.fail .status{color:#c23e48}.code-area{width:100%;min-height:340px;font:11px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;border:1px solid var(--line);border-radius:8px;padding:12px;white-space:pre}
.ai-choices{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:14px}.ai-choices button{border:1px solid var(--line);background:#fff;border-radius:99px;padding:7px 11px;font-size:11px;font-weight:700}.ai-choices button.active{background:var(--dark);border-color:var(--dark);color:#fff}.ai-note{font-size:12px;color:var(--muted);margin:-8px 0 16px;line-height:1.55}.copy-status{font-size:11px;color:var(--muted);margin-left:8px}
@media(max-width:1100px){:root{--panel:260px;--right:300px}.brand{min-width:230px}.brand small{display:none}.block-grid{grid-template-columns:1fr}.workspace{grid-template-columns:var(--panel) minmax(390px,1fr) var(--right)}}