*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Arial,sans-serif;background:#e9edf2;color:#17202a}button,input{font:inherit}.editor-shell{min-height:100vh;display:flex;flex-direction:column}.editor-head{height:58px;background:#17202a;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 22px}.editor-head strong{font-size:19px}.editor-head span{margin-left:10px;font-size:12px;opacity:.7}.site-chip{font-size:12px;opacity:.75}.primary-nav{height:52px;display:flex;align-items:stretch;background:#fff;border-bottom:1px solid #bcc5cf;padding-left:18px;flex:0 0 52px}.nav-tab{border:0;border-bottom:4px solid transparent;background:transparent;padding:0 18px;cursor:pointer;font-weight:700}.nav-tab.active{border-bottom-color:#17202a;background:#f3f5f7}.editor-body{display:grid;grid-template-columns:minmax(0,1fr) 300px;min-height:calc(100vh - 110px)}.workspace{padding:24px;overflow:auto;overflow-anchor:none}.workspace-view{display:none}.workspace-view.active{display:block}.page-stage{overflow-anchor:none;width:min(1200px,100%);margin:0 auto;background:#fff;box-shadow:0 3px 18px rgba(0,0,0,.12);overflow:hidden}.site-region{height:92px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#263746;color:#fff;border:2px dashed rgba(255,255,255,.28)}.site-region span{font-weight:800;letter-spacing:.12em}.site-region small{margin-top:6px;opacity:.65}.footer-region{background:#314655}.prozon-stack{padding:25px 0;background:repeating-linear-gradient(90deg,#fff 0,#fff 4px,#f7f8fa 5px);min-height:240px}.prozon-row{position:relative;width:100%;min-height:1px}.prozon-wrap{position:absolute;top:0}.prozon-wrap.selected:before{content:"";position:absolute;inset:-4px;border:3px solid #111;pointer-events:none}.prozon-card{border:2px solid #667788;background:#f8fafc;min-height:110px;padding:18px;overflow:visible}.prozon-card h3{margin:0 0 10px}.prozon-card p{margin:7px 0;line-height:1.45}.prozon-card.content{padding:26px}.prozon-card.content p{font-size:18px}.directory-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}.directory-grid div{padding:16px;background:#fff;border:1px solid #c5ccd3}.prozon-panel{background:#fff;border-left:1px solid #bcc5cf;padding:18px;position:sticky;top:0;height:calc(100vh - 110px);overflow:auto}.panel-head span,.add-zone>span{display:block;font-size:11px;letter-spacing:.1em;font-weight:800;color:#66717c;margin-bottom:5px}.panel-head strong{font-size:18px}.panel-controls{margin-top:22px}.panel-controls.disabled{opacity:.35;pointer-events:none}.panel-controls label{display:block;font-weight:700;margin:0 0 22px}.panel-controls output{float:right;font-weight:400}.panel-controls input{display:block;width:100%;margin-top:9px}.panel-controls select{display:block;width:100%;margin-top:9px;padding:8px;border:1px solid #aeb8c2;background:#fff}.measure{border-top:1px solid #d6dce2;padding-top:14px;display:flex;justify-content:space-between}.panel-note{font-size:12px;color:#5c6873;line-height:1.45}.add-zone{border-top:1px solid #d6dce2;margin-top:22px;padding-top:18px}.add-zone div{display:flex;gap:6px;flex-wrap:wrap}.add-zone button,.panel-actions button{padding:8px 10px;border:1px solid #9ca8b3;background:#f5f7f9;border-radius:4px;cursor:pointer}.panel-actions{margin-top:18px}.placeholder{padding:60px;text-align:center;background:#fff;max-width:700px;margin:50px auto}.placeholder h2{margin-top:0}@media(max-width:850px){.editor-body{grid-template-columns:1fr}.prozon-panel{position:relative;height:auto;border-left:0;border-top:1px solid #bcc5cf}.primary-nav{overflow-x:auto}.nav-tab{white-space:nowrap}}


/* V1.3 direct manipulation */
.prozon-card{cursor:grab;user-select:none}
.layout-dragging,.layout-dragging *{cursor:grabbing!important;user-select:none!important}
.prozon-wrap .resize-handle{
  display:none;
  position:absolute;
  top:50%;
  width:14px;
  height:48px;
  transform:translateY(-50%);
  background:#fff;
  border:2px solid #27364a;
  border-radius:8px;
  z-index:8;
  cursor:ew-resize;
  box-shadow:0 2px 7px rgba(0,0,0,.18);
}
.prozon-wrap.selected .resize-handle{display:block}
.resize-left{left:-8px}
.resize-right{right:-8px}
.prozon-wrap .resize-handle::after{
  content:"";
  position:absolute;
  left:4px;
  top:10px;
  width:2px;
  height:24px;
  border-left:2px solid #6b7785;
  border-right:2px solid #6b7785;
}

/* V1.4 vertical drag feedback */
.prozon-wrap.actively-dragging{z-index:20}
.prozon-wrap.vertical-move-pending .prozon-card{
  outline:3px dashed #27364a;
  outline-offset:4px;
}

/* V1.5 safe vertical flow: vertical placement is structural, never absolute Y. */
.prozon-row{box-sizing:border-box}