:root{--ink:#193536;--muted:#647978;--line:#d9e4df;--accent:#267366;--soft:#edf5f0;--paper:#fff;--preview-width:100%;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:#f5f7f3;font-synthesis:none;color-scheme:light}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,input,select,textarea,summary,a{outline-offset:4px}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid #eaa344}button{cursor:pointer}button:disabled{cursor:default;opacity:.48}a{color:var(--accent)}button,input,select{min-height:42px}input,select{width:100%;min-width:0;border:1px solid #bbcfc6;border-radius:8px;padding:9px 10px;background:#fff;color:var(--ink)}input[aria-invalid="true"]{border-color:#b33131}code{font-family:ui-monospace,"Cascadia Code",Consolas,monospace;font-size:.9em;background:#edf2ee;border-radius:4px;padding:1px 4px}p{line-height:1.6}h1,h2,p{margin-top:0}.workshop{max-width:1440px;margin:auto;padding:32px clamp(14px,3vw,40px)}.intro{display:flex;align-items:flex-start;justify-content:space-between;gap:28px;margin-bottom:28px}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:11px;font-weight:750;margin-bottom:9px;color:var(--accent)}h1{font-size:clamp(28px,3.9vw,49px);line-height:1.15;letter-spacing:-.045em;margin-bottom:18px}h1 span{color:var(--accent)}.lead{font-size:16px;max-width:650px;color:var(--muted);margin-bottom:0}.back-link{font-size:13px;white-space:nowrap;padding-top:3px}.preset-panel,.code-panel{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:22px}.section-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.section-top h2,.preview-header h2{font-size:19px;letter-spacing:-.02em;margin:0}.muted{color:var(--muted);font-size:12px}.presets{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.preset{border:1px solid var(--line);border-radius:10px;min-width:0;text-align:left;padding:12px;background:#fafcf9;transition:border-color .16s,background .16s;display:grid;gap:7px}.preset:hover{border-color:var(--accent);background:var(--soft)}.preset[aria-pressed="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent);background:var(--soft)}.preset-name{font-size:13px;font-weight:700}.preset-description{font-size:11px;line-height:1.4;color:var(--muted)}.preset-mini{height:46px;display:grid;gap:3px;width:100%;pointer-events:none}.preset-mini span{border-radius:3px;background:#acc9b9}.preset-mini span:nth-child(2n){background:#d3dfc0}.editor{display:grid;grid-template-columns:290px minmax(0,1fr);align-items:start;gap:20px}.controls{display:grid;gap:10px;min-width:0}details{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}summary{list-style:none;cursor:pointer;padding:17px 14px;font-size:11px;font-weight:600;color:var(--accent);display:flex;align-items:center;gap:9px}summary::-webkit-details-marker{display:none}summary:after{content:"+";margin-left:auto;font-size:18px}details[open]>summary:after{content:"−"}summary span{font-size:14px;color:var(--ink)}summary .count{font-size:10px;background:var(--soft);border-radius:10px;padding:2px 5px}.control-body{border-top:1px solid var(--line);padding:15px 14px;display:grid;gap:9px}.control-body>label,.field-pair label{display:block;font-size:12px;font-weight:600}.field-pair{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:9px}.field-pair label{font-size:11px;margin-bottom:5px}.hint{font-size:11px;color:var(--muted);line-height:1.6;margin:1px 0 4px;overflow-wrap:anywhere}.check{display:flex!important;align-items:flex-start;gap:8px;font-size:12px!important;font-weight:400!important;line-height:1.45}.check input{width:16px;height:16px;min-height:0;flex:0 0 16px;margin:2px 0;accent-color:var(--accent)}.error{color:#a72e2e;font-size:12px;line-height:1.5;margin:0;overflow-wrap:anywhere}.error:empty{display:none}.button{display:inline-flex;justify-content:center;align-items:center;gap:6px;background:#fff;color:var(--ink);border:1px solid #c8d9cf;border-radius:8px;padding:9px 12px;font-size:12px;font-weight:650;line-height:1.3;transition:background .16s;min-width:0}.button:hover:not(:disabled){background:#edf4ee}.button.primary{color:#fff;background:var(--accent);border-color:var(--accent)}.button.primary:hover:not(:disabled){background:#1d5c52}.button.danger{color:#a72e2e;border-color:#e5c6c6}.button-row{display:flex;flex-wrap:wrap;gap:7px}.control-body .button-row{display:grid;grid-template-columns:1fr 1fr;gap:6px}.control-body .button-row .button{font-size:10px;padding:8px 4px}.control-body>.button{width:100%}fieldset{min-width:0;border:0;padding:0;margin:3px 0;display:grid;gap:8px}legend{font-size:11px;color:var(--muted);margin-bottom:8px;padding:0}.file-label{font-size:12px!important;border:1px dashed #afc9ba;border-radius:8px;padding:9px;overflow-wrap:anywhere}.file-label input{margin-top:8px;font-size:11px;padding:2px;border:0;min-height:26px}.preview-panel{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;min-width:0}.preview-header{padding:20px;display:flex;gap:10px;align-items:center;justify-content:space-between}.preview-toolbar{display:flex;gap:12px;flex-wrap:wrap;justify-content:space-between;align-items:center;padding:0 20px 16px}.segmented{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;max-width:100%}.segmented button{border:0;background:#fff;font-size:12px;font-weight:650;padding:8px 12px;min-width:0}.segmented button[aria-pressed="true"]{background:var(--soft);color:var(--accent)}.viewport-control{display:flex;gap:8px;align-items:center;min-width:0}.viewport-control label{font-size:12px;color:var(--muted)}.viewport-control select{font-size:12px;padding:7px 25px 7px 8px;max-width:225px}.canvas-meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:10px;background:#f6f8f4;border-top:1px solid var(--line);padding:10px 20px;flex-wrap:wrap}.canvas-scroll{background:#f1f5ef;padding:22px;overflow:auto;max-width:100%;min-height:310px}.preview-stage{width:var(--preview-width);max-width:100%;margin:0 auto;transition:width .18s}.canvas{width:100%;display:grid;position:relative;isolation:isolate;gap:14px;touch-action:pan-y;min-height:240px;align-content:start}.canvas.is-touch-draw{touch-action:none}.grid-cell{background:#e7eee5;border:1px dashed #c3d3c5;min-width:0;min-height:64px;border-radius:7px;padding:6px;font-size:9px;color:#8d9f91;align-items:start;justify-items:start;display:grid;z-index:0;user-select:none}.grid-cell:hover{border-color:#61917a;background:#dfeadf}.grid-cell.is-draft{background:#c5decf;border-color:#267366;box-shadow:inset 0 0 0 1px #267366}.layout-item{min-width:0;width:100%;height:100%;padding:15px;border:1px solid #9fbcac;border-radius:9px;text-align:left;display:flex;align-items:flex-start;flex-direction:column;justify-content:center;gap:8px;box-shadow:0 3px 6px #294a3610;z-index:1;overflow:hidden;overflow-wrap:anywhere;user-select:none;min-height:0;transition:box-shadow .12s}.layout-item:hover{box-shadow:0 3px 10px #294a3628}.layout-item.is-selected{outline:3px solid var(--accent);outline-offset:-3px;box-shadow:0 0 0 2px white}.item-number{font-size:10px;letter-spacing:.06em;color:#456653;opacity:.8;line-height:1.2}.item-title{font-size:clamp(12px,1.4vw,17px);font-weight:720;line-height:1.3}.item-text{font-size:11px;color:#49675b;line-height:1.45;display:block}.canvas.wireframe .layout-item{background:#fff!important;border:2px solid #82a493;box-shadow:none}.canvas.wireframe .item-text{display:none}.canvas.is-mobile-stack{grid-template-columns:minmax(0,1fr)!important;grid-template-rows:none!important}.canvas.is-mobile-stack .grid-cell{display:none}.canvas.is-mobile-stack .layout-item{grid-column:1/-1!important;grid-row:auto!important;min-height:94px}.canvas-footer{padding:15px 20px;border-top:1px solid var(--line);display:grid;gap:7px}.canvas-footer .hint{margin:0}.rules{margin:0 20px 18px;border-top:1px solid var(--line);padding-top:15px}.rules strong{font-size:12px}.rules p{font-size:12px;color:var(--muted);line-height:1.65;margin:6px 0 0}.notice{margin:0 20px 14px;font-size:12px;color:#765520;background:#fcf5e8;border:1px solid #ebdcbd;border-radius:8px;padding:10px 12px;line-height:1.5}.notice[hidden]{display:none}.code-panel{margin-top:22px;margin-bottom:15px}.code-description{font-size:13px;color:var(--muted);margin-bottom:18px}.code-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;flex-wrap:wrap}.tabs{display:flex;gap:4px}.tabs button{border:0;background:#fff;font-size:13px;padding:9px 15px;border-radius:8px;color:var(--muted);font-weight:700}.tabs button[aria-selected="true"]{background:var(--soft);color:var(--accent)}.code{display:block;width:100%;min-width:0;height:350px;resize:vertical;background:#17332d;color:#ecf2e9;border:1px solid #17332d;border-radius:10px;padding:18px;font:12px/1.65 ui-monospace,"Cascadia Code",Consolas,monospace;white-space:pre;tab-size:2;overflow:auto}.status{font-size:12px;color:var(--accent);line-height:1.5;margin:9px 0 0;min-height:18px}.workshop-footer{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:0 2px}.workshop-footer>p:first-child{font-size:11px;color:var(--muted);max-width:670px;line-height:1.5;margin-bottom:0}.workshop-footer .status{margin:0}.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}[hidden]{display:none!important}
.canvas-scroll{max-height:840px}.grid-cell:focus-visible{z-index:2;background:#f4fbf477;outline-offset:0}.layout-item{overflow:visible}.layout-item>span{flex-shrink:0}.quick-nav{display:flex;gap:17px;flex-wrap:wrap;margin:0 0 18px}.quick-nav a{font-size:12px;text-decoration:none;font-weight:650}.quick-nav a:hover{text-decoration:underline}.preset-explanation{font-size:12px;color:var(--muted);margin:0;padding:0 20px 16px;line-height:1.6}
@media(max-width:1050px){.editor{grid-template-columns:minmax(0,1fr);gap:14px}.controls{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}.preview-panel{order:-1}.presets{grid-template-columns:repeat(3,minmax(0,1fr))}.preview-toolbar{align-items:flex-start}.canvas-scroll{padding:17px}.preview-header{align-items:flex-start;flex-wrap:wrap}.intro{gap:18px}.back-link{white-space:normal;min-width:120px}}
@media(max-width:780px){.workshop{padding:22px 14px}.intro{display:block;margin-bottom:22px}.back-link{display:inline-block;padding-top:16px}.editor{grid-template-columns:minmax(0,1fr)}.controls{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}.control-body{padding:14px 12px}.preset-panel,.code-panel{padding:16px}.section-top{align-items:flex-start;flex-wrap:wrap}.preview-panel{margin-top:2px}.preview-header,.preview-toolbar{padding-left:16px;padding-right:16px}.canvas-meta{padding:10px 16px}.canvas-footer{padding:15px 16px}.rules{margin-left:16px;margin-right:16px}}
@media(max-width:520px){.controls{grid-template-columns:minmax(0,1fr)}.presets{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.preset{padding:10px}.presets .preset:last-child{grid-column:1/-1}.presets .preset:last-child .preset-mini{height:36px}.section-top .muted{font-size:11px}.preview-toolbar{display:grid;grid-template-columns:minmax(0,1fr);gap:10px}.viewport-control select{max-width:none;flex:1}.preview-header{padding:16px}.canvas-scroll{padding:12px;min-height:280px}.code-panel .section-top>.button{width:100%}.code-toolbar{align-items:flex-start}.code-toolbar .button-row{width:100%}.code-toolbar .button-row .button{flex:1}.code{padding:12px;font-size:11px;height:300px}.item-text{font-size:10px}.layout-item{padding:12px}.segmented button{flex:1}.canvas-meta{font-size:10px}.notice{margin-left:12px;margin-right:12px}.rules p{font-size:11px}.workshop-footer{gap:8px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}