.wide-shell{max-width:1750px}
.builder-intro{display:grid;grid-template-columns:1.5fr .55fr;gap:18px;background:#fff;border:1px solid #e4dccf;border-radius:24px;padding:25px;box-shadow:var(--shadow);margin-bottom:16px}
.builder-intro h2{font-size:32px;margin:6px 0 10px;letter-spacing:-.8px}.builder-intro p{margin:0;color:var(--muted);line-height:1.55}
.safety-card{background:#edf7f2;border:1px solid #b8dcc9;border-radius:17px;padding:17px;display:flex;flex-direction:column;gap:7px;justify-content:center}.safety-card b{color:#276b4d}.safety-card span{font-size:12px;color:#4f6159}
.visual-topline{display:grid;grid-template-columns:minmax(280px,1fr) auto auto;gap:12px;align-items:end}.mini-stat{padding:10px 13px;background:#f8f5ef;border:1px solid var(--line);border-radius:11px;font-weight:800;color:#6d604a;min-width:130px;text-align:center}
.visual-workspace{display:grid;grid-template-columns:290px minmax(470px,1fr) 390px;gap:13px;align-items:stretch;margin:16px 0}
.pages-panel,.preview-panel,.buttons-panel{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);min-height:650px;overflow:hidden}
.panel-title{height:70px;padding:14px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:8px;background:#fffdf9}.panel-title>div{display:flex;align-items:center;gap:9px}.panel-title input{max-width:130px;padding:8px}
.pages-list,.button-list{max-height:760px;overflow:auto;padding:9px}
.page-item{display:block;width:100%;text-align:left;border:1px solid transparent;background:#fff;padding:11px;border-radius:12px;cursor:pointer;margin-bottom:5px}.page-item:hover{background:#faf7f0;border-color:#e5d8bf}.page-item.active{background:#fff3d7;border-color:#dfbd74}.page-item b{display:block;font-size:12px;word-break:break-word}.page-item span{font-size:10px;color:var(--muted)}.page-item .page-count{float:right;background:#eee4d0;border-radius:999px;padding:2px 6px;color:#715a2d;font-weight:900}
.preview-info{padding:10px 14px;font-size:12px;color:var(--muted);border-bottom:1px solid var(--line);min-height:37px}.iframe-wrap{position:relative;height:700px;background:#f1efe9;overflow:hidden}.iframe-wrap iframe{width:100%;height:100%;border:0;background:white;pointer-events:none}.iframe-shield{position:absolute;top:10px;right:10px;z-index:4;background:#20252bdc;color:white;font-size:9px;font-weight:900;letter-spacing:.08em;padding:7px 9px;border-radius:8px;pointer-events:none}
.component-placeholder{height:650px;display:grid;place-items:center;align-content:center;text-align:center;padding:30px;color:var(--muted)}.component-placeholder h3{color:var(--ink);margin:10px}.component-icon{font-size:48px}
.pill{background:#ede8de;border-radius:999px;padding:5px 9px;font-weight:900;font-size:11px}
.button-card{border:1px solid #e1dbd1;border-radius:14px;padding:11px;margin-bottom:8px;cursor:pointer;background:#fff}.button-card:hover{border-color:#c8ac75;background:#fffdf8}.button-card.active{border-color:#5d91b5;box-shadow:0 0 0 3px #dcecf7;background:#f8fcff}.button-card .mini-button{display:inline-block;max-width:100%;border:1px solid #bbb;background:#f5f5f5;border-radius:8px;padding:8px 11px;font-size:12px;font-weight:750;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.button-card h4{font-size:12px;margin:9px 0 4px}.button-card p{font-size:10px;color:var(--muted);margin:2px 0;word-break:break-all}.button-card .tags{display:flex;gap:5px;flex-wrap:wrap;margin-top:7px}.tag{font-size:9px;padding:3px 6px;border-radius:999px;background:#f2eee7;color:#625a50;font-weight:800}.tag.dynamic{background:#fff0d9;color:#81560d}.tag.link{background:#eaf3fa;color:#2c668e}
.button-editor-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:22px}.visual-sim{background:#f7f4ed;border:1px solid #e1d9cb;border-radius:18px;padding:18px}.sim-stage{min-height:280px;background:white;border:1px dashed #cfc7b8;border-radius:14px;margin-top:12px;display:grid;place-items:center;padding:25px;overflow:auto}.sim-stage button{max-width:100%;cursor:default}.warning-box{margin-top:12px;background:#fff6df;border:1px solid #e6c579;padding:10px;border-radius:10px;font-size:12px;color:#745114}
.editor-fields{display:grid;grid-template-columns:1fr;gap:10px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.color-line{display:grid;grid-template-columns:1fr 48px;gap:7px}.color-line input[type=color]{padding:3px;height:43px}.advanced{border:1px solid var(--line);border-radius:12px;padding:10px;background:#fcfbf8}.advanced summary{cursor:pointer;font-weight:800;color:#625b52;margin-bottom:8px}.edit-actions{display:grid;grid-template-columns:1fr auto auto auto;gap:10px;align-items:end;border-top:1px solid var(--line);padding-top:16px;margin-top:18px}
.code-diff{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:13px}.code-box{background:#24282d;color:#e7edf1;border-radius:12px;padding:13px;overflow:auto;max-height:300px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px;white-space:pre-wrap;word-break:break-word}.code-box b{display:block;color:#f0c76b;margin-bottom:7px}
@media(max-width:1300px){.visual-workspace{grid-template-columns:240px 1fr}.buttons-panel{grid-column:1/-1;min-height:300px}.button-list{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;max-height:500px}.button-card{margin:0}.button-editor-grid{grid-template-columns:1fr 1fr}.edit-actions{grid-template-columns:1fr 1fr}}
@media(max-width:850px){.builder-intro{grid-template-columns:1fr}.visual-topline{grid-template-columns:1fr}.visual-workspace{grid-template-columns:1fr}.pages-panel,.preview-panel,.buttons-panel{min-height:auto}.pages-panel{max-height:360px}.iframe-wrap{height:540px}.button-list{grid-template-columns:1fr 1fr}.button-editor-grid{grid-template-columns:1fr}.field-row{grid-template-columns:1fr}.edit-actions{grid-template-columns:1fr}}
@media(max-width:560px){.button-list{grid-template-columns:1fr}.iframe-wrap{height:440px}.builder-intro h2{font-size:26px}.code-diff{grid-template-columns:1fr}}