html,body{overflow:hidden;user-select:none;-webkit-user-select:none}
.topbar{position:fixed;top:0;left:0;right:0;height:56px;z-index:200;display:flex;align-items:center;gap:6px;padding:0 12px;background:var(--bg-2);border-bottom:1px solid var(--border)}
.iconbtn{width:40px;height:40px;border-radius:10px;background:var(--bg-3);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0;transition:all .15s;color:var(--text);text-decoration:none;cursor:pointer}
.iconbtn:hover{background:var(--bg-4)}
.iconbtn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.iconbtn:disabled{opacity:.3}
.title-input{padding:8px 12px;background:transparent;border:1px solid transparent;border-radius:8px;font-size:13px;font-weight:700;color:var(--text);width:200px}
.title-input:hover{background:var(--bg-3)}
.title-input:focus{outline:0;background:var(--bg-3);border-color:var(--accent)}
.save-status{font-size:11px;color:var(--text-3);padding:0 8px;font-weight:600}
.save-status.dirty{color:var(--amber)}

.canvas-area{position:fixed;top:56px;left:0;right:0;bottom:140px;overflow:hidden;background:var(--bg);background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);background-size:22px 22px;background-position:-1px -1px;touch-action:none}
#artWrap{position:absolute;top:50%;left:50%;transform-origin:50% 50%;will-change:transform;perspective:1400px}
#art{position:relative;background:#fff;box-shadow:0 24px 70px rgba(0,0,0,.35);touch-action:none;overflow:hidden;transform-style:preserve-3d}
.el{position:absolute;transform-origin:center center;touch-action:none;will-change:transform;transform-style:preserve-3d}
.el.locked{pointer-events:none}
.el.selected{outline:2px solid var(--accent);outline-offset:0;z-index:9999!important}
.el.text-el{display:flex;padding:6px;white-space:pre-wrap;word-break:break-word;overflow:hidden;align-items:flex-start;flex-direction:column;justify-content:flex-start}
.el.text-el.align-left{text-align:left}
.el.text-el.align-center{text-align:center;align-items:center}
.el.text-el.align-right{text-align:right;align-items:flex-end}
.el.icon-el{display:flex;align-items:center;justify-content:center;line-height:1}
.el.el-image{cursor:grab}
.handle{position:absolute;width:22px;height:22px;background:var(--accent);border:3px solid #fff;border-radius:50%;z-index:10000;touch-action:none;box-shadow:0 2px 8px rgba(0,0,0,.4)}
.handle.nw{left:-11px;top:-11px}.handle.ne{right:-11px;top:-11px}
.handle.sw{left:-11px;bottom:-11px}.handle.se{right:-11px;bottom:-11px}
.handle.rot{left:50%;top:-40px;margin-left:-11px;background:#fff;border-color:var(--accent);cursor:grab}
.handle.rot::after{content:"↻";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--accent);font-weight:900}
.guide{position:absolute;background:#ff5c7c;pointer-events:none;z-index:9998}
.guide.v{width:1px;top:0;bottom:0}
.guide.h{height:1px;left:0;right:0}
.zoom-ctrl{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:2px;padding:6px 8px;background:var(--glass);backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:100px;font-size:12px;color:var(--text-2);z-index:10}
.zoom-ctrl button{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:var(--text-2);font-family:inherit;cursor:pointer}
.zoom-ctrl button:hover{background:var(--bg-3);color:var(--text)}
.zoom-ctrl .zval{min-width:44px;text-align:center;font-weight:700;color:var(--text)}
.zoom-ctrl .fit-btn{width:auto;padding:0 10px;font-size:11px;border-radius:100px}

.bottom{position:fixed;bottom:0;left:0;right:0;z-index:200;background:var(--bg-2);border-top:1px solid var(--border)}
.props{display:none;gap:10px;padding:10px 14px;align-items:center;overflow-x:auto;border-bottom:1px solid var(--border);scrollbar-width:none}
.props.show{display:flex}
.props::-webkit-scrollbar{display:none}
.prop{display:flex;align-items:center;gap:8px;flex-shrink:0}
.prop label{font-size:10px;color:var(--text-3);font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.prop .divider{width:1px;height:24px;background:var(--border)}
.prop .val{font-size:11px;color:var(--text-2);min-width:30px;text-align:right}
input[type=color]{width:36px;height:36px;padding:0;border:1px solid var(--border);background:transparent;border-radius:8px;cursor:pointer}
input[type=range]{width:90px;accent-color:var(--accent)}
.tools{display:flex;gap:2px;padding:8px;overflow-x:auto;scrollbar-width:none}
.tools::-webkit-scrollbar{display:none}
.tool{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:58px;padding:8px 10px;border-radius:10px;color:var(--text-2);font-size:9px;font-weight:700;flex-shrink:0;cursor:pointer;font-family:inherit;background:transparent;border:0;transition:background .15s,color .15s}
.tool:hover{color:var(--text);background:var(--bg-3)}
.tool:active{background:var(--bg-4)}
.tool .ti{font-size:19px;line-height:1}
.tool .tl{font-size:9px;font-weight:700;letter-spacing:.2px}
.tool.danger{color:var(--danger)}

.side-panel{position:fixed;top:56px;right:0;bottom:140px;width:340px;max-width:90vw;background:var(--bg-2);border-left:1px solid var(--border);transform:translateX(100%);transition:transform .28s;z-index:900;display:flex;flex-direction:column}
.side-panel.open{transform:translateX(0)}
.side-tabs{display:flex;border-bottom:1px solid var(--border);flex-shrink:0;overflow-x:auto;scrollbar-width:none}
.side-tabs::-webkit-scrollbar{display:none}
.side-tabs button{flex:1;min-width:62px;padding:14px 6px;font-size:10px;text-transform:uppercase;letter-spacing:.5px;font-weight:800;color:var(--text-3);border-bottom:2px solid transparent;white-space:nowrap;cursor:pointer;font-family:inherit;background:transparent;border-left:0;border-right:0;border-top:0}
.side-tabs button.active{color:var(--accent);border-color:var(--accent)}
.side-body{flex:1;overflow-y:auto;padding:14px;overscroll-behavior:contain}
.layer-row{display:flex;align-items:center;gap:6px;padding:9px 10px;border-radius:9px;background:var(--bg-3);margin-bottom:4px;cursor:pointer}
.layer-row.active{background:var(--accent-soft);color:var(--accent)}
.layer-row .lr-icon{width:22px;text-align:center;font-size:13px;opacity:.6;background:transparent;border:0;padding:2px;cursor:pointer;color:inherit;font-family:inherit}
.layer-row .lr-name{flex:1;font-size:11.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.layer-row .lr-btn{width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:transparent;color:var(--text-3);border:0;border-radius:5px;font-size:12px;cursor:pointer;font-family:inherit}
.page-row{display:flex;align-items:center;gap:10px;padding:11px;border-radius:10px;background:var(--bg-3);margin-bottom:6px;cursor:pointer;border:2px solid transparent}
.page-row.active{border-color:var(--accent);background:var(--accent-soft)}
.page-row .pr-num{width:36px;height:36px;background:var(--bg);border:1px solid var(--border);border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:var(--text-2)}
.page-row .pr-name{flex:1;font-size:12px;font-weight:700}
.page-row .pr-del{width:26px;height:26px;border-radius:6px;display:flex;align-items:center;justify-content:center;color:var(--text-3);font-size:13px;cursor:pointer}
.add-btn{width:100%;padding:11px;color:var(--accent);border:1px dashed var(--accent);border-radius:10px;font-size:12px;font-weight:800;margin-top:6px;cursor:pointer;background:transparent;font-family:inherit}
.emoji-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:6px;max-height:340px;overflow-y:auto;padding:4px 0}
.emoji-grid button{aspect-ratio:1;background:var(--bg-3);border:1px solid var(--border);border-radius:8px;font-size:22px;cursor:pointer}
.preset-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;max-height:340px;overflow-y:auto}
.preset{padding:12px;background:var(--bg-3);border:1px solid var(--border);border-radius:10px;text-align:left;cursor:pointer;color:var(--text);font-family:inherit}
.preset .pn{font-size:12px;font-weight:700;margin-bottom:3px}
.preset .pd{font-size:10px;color:var(--text-3)}
.field{margin-bottom:12px}
.field label{display:block;font-size:11px;color:var(--text-3);font-weight:800;text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:10px;background:var(--bg-3);border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:inherit}
.preview-3d-wrap{background:var(--bg-3);border-radius:12px;padding:20px;margin-bottom:14px;perspective:800px;height:160px;display:flex;align-items:center;justify-content:center}
.preview-3d-box{width:120px;height:120px;border-radius:12px;background:linear-gradient(135deg,#a78bfa,#ec4899);transition:transform .3s}
.context-menu{position:fixed;z-index:3000;min-width:200px;background:var(--bg-2);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-xl);padding:6px;display:none;font-size:13px}
.context-menu.show{display:block}
.context-menu button{width:100%;text-align:left;padding:9px 12px;border-radius:7px;font-size:12.5px;font-weight:600;color:var(--text);display:flex;align-items:center;gap:10px;cursor:pointer;background:transparent;border:0;font-family:inherit}
.context-menu button:hover{background:var(--bg-3);color:var(--accent)}
.context-menu button.danger{color:var(--danger)}

/* Mobile overflow menu */
.mobile-menu{position:fixed;top:64px;right:10px;min-width:230px;max-width:calc(100vw - 20px);background:var(--bg-2);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-xl);padding:8px;display:none;z-index:1001;animation:mobileMenuIn .15s ease-out}
.mobile-menu.open{display:block}
.mobile-menu .mm-sep{height:1px;background:var(--border);margin:6px 4px}
.mobile-menu button,.mobile-menu a{display:flex;align-items:center;gap:14px;width:100%;padding:12px 14px;font-size:14px;font-weight:600;text-align:left;border-radius:10px;color:var(--text);background:transparent;border:0;cursor:pointer;text-decoration:none;font-family:inherit;min-height:44px}
.mobile-menu button:hover,.mobile-menu a:hover{background:var(--bg-3)}
.mobile-menu button.danger{color:var(--danger)}
.mobile-menu .mm-icon{font-size:17px;width:22px;text-align:center;flex-shrink:0}
.mobile-menu .mm-label{flex:1}
@keyframes mobileMenuIn{from{opacity:0;transform:translateY(-6px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}

.sheet-handle{display:none}
.sheet-close{display:none}
.sheet-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:899;opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;backdrop-filter:blur(2px)}
.sheet-backdrop.show{opacity:1;visibility:visible}
.mobile-only{display:none!important}

/* ============ MOBILE EDITOR ============ */
@media(max-width:768px){
  .topbar{height:60px;padding:0 max(8px,env(safe-area-inset-left)) 0 max(8px,env(safe-area-inset-right));gap:4px}
  .iconbtn{width:44px;height:44px;border-radius:12px;font-size:17px}
  .title-input{flex:1;min-width:0;max-width:none;width:auto;font-size:14px;padding:10px 8px}
  .save-status{width:8px;height:8px;min-width:8px;padding:0;margin-right:4px;font-size:0;line-height:0;border-radius:50%;background:var(--success);flex-shrink:0;transition:background .2s}
  .save-status.dirty{background:var(--amber)}
  .desktop-only{display:none!important}
  .mobile-only{display:flex!important}
  .user-menu-wrap{display:none!important}
  .canvas-area{top:60px;bottom:calc(84px + env(safe-area-inset-bottom,0px))}
  .zoom-ctrl{top:10px;bottom:auto;left:auto;right:10px;transform:none;padding:4px 6px;gap:0}
  .zoom-ctrl button{width:40px;height:40px;font-size:18px}
  .zoom-ctrl .zval{min-width:52px;font-size:13px}
  .zoom-ctrl .fit-btn{padding:0 12px;height:40px;font-size:12px}
  .handle{width:32px;height:32px;border-width:4px;box-shadow:0 3px 10px rgba(0,0,0,.5)}
  .handle.nw{left:-16px;top:-16px}.handle.ne{right:-16px;top:-16px}
  .handle.sw{left:-16px;bottom:-16px}.handle.se{right:-16px;bottom:-16px}
  .handle.rot{width:36px;height:36px;top:-56px;margin-left:-18px}
  .handle.rot::after{font-size:16px}
  .el.selected{outline-width:3px}
  .bottom{padding-bottom:env(safe-area-inset-bottom,0px);box-shadow:0 -6px 20px rgba(0,0,0,.06)}
  .props{padding:10px 12px;gap:14px}
  .prop{gap:6px}
  input[type=range]{width:120px;height:24px}
  input[type=color]{width:44px;height:44px;border-radius:10px}
  .tools{padding:6px 8px;gap:4px}
  .tool{min-width:66px;padding:10px 8px 8px;gap:4px;border-radius:12px}
  .tool .ti{font-size:22px}
  .tool .tl{font-size:10px;font-weight:800}
  .tool:active{transform:scale(.94)}
  .side-panel{top:auto;bottom:0;left:0;right:0;width:100%;max-width:100%;height:78vh;max-height:78vh;border-left:0;border-top:1px solid var(--border);border-radius:20px 20px 0 0;transform:translateY(100%);box-shadow:0 -20px 60px rgba(0,0,0,.3);padding-bottom:env(safe-area-inset-bottom,0px);transition:transform .3s cubic-bezier(.32,.72,0,1)}
  .side-panel.open{transform:translateY(0)}
  .sheet-handle{display:block;width:44px;height:5px;background:var(--border);border-radius:3px;margin:10px auto 6px;flex-shrink:0;cursor:grab}
  .sheet-close{display:flex;position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;background:var(--bg-3);border:1px solid var(--border);color:var(--text-2);align-items:center;justify-content:center;font-size:16px;font-weight:700;z-index:2}
  .side-tabs{padding:0 4px}
  .side-tabs button{min-width:auto;flex:1 1 auto;padding:14px 10px;font-size:11px;min-height:48px}
  .side-body{padding:16px 14px}
  .field input,.field select,.field textarea{padding:12px 14px;font-size:15px}
  .field label{font-size:12px}
  .layer-row{padding:12px 12px;min-height:48px}
  .layer-row .lr-btn{width:36px;height:36px;font-size:14px}
  .page-row{padding:12px;min-height:56px}
  .page-row .pr-del{width:36px;height:36px;font-size:15px}
  .add-btn{padding:14px;font-size:13px;min-height:48px}
  .emoji-grid{grid-template-columns:repeat(6,1fr);gap:8px}
  .emoji-grid button{font-size:26px;min-height:52px}
  .preset-grid{gap:10px}
  .preset{padding:16px 14px;min-height:60px}
  .preset .pn{font-size:13px}
  .preset .pd{font-size:11px}
  .modal{padding:0;align-items:flex-end}
  .modal-box{border-radius:20px 20px 0 0;max-width:100%;max-height:90vh;padding:24px 20px calc(24px + env(safe-area-inset-bottom,0px));animation:sheetUp .25s ease-out}
  .modal-box h3{font-size:17px;margin-bottom:16px}
  .modal-actions button{padding:14px 22px;font-size:14px;min-height:48px}
  .context-menu{left:0!important;right:0!important;bottom:0!important;top:auto!important;width:100%;max-width:none;border-radius:20px 20px 0 0;padding:8px 8px calc(8px + env(safe-area-inset-bottom,0px));animation:sheetUp .2s ease-out}
  .context-menu button{padding:14px 16px;font-size:15px;min-height:52px;border-radius:10px}
}
@media(max-width:380px){
  .topbar{padding-left:4px;padding-right:4px;gap:2px}
  .iconbtn{width:40px;height:40px;font-size:15px;border-radius:10px}
  .title-input{font-size:13px;padding:8px 4px}
  .save-status{display:none}
  .tool{min-width:60px;padding:8px 6px}
  .tool .ti{font-size:20px}
  .tool .tl{font-size:9px}
  .zoom-ctrl button{width:36px;height:36px;font-size:16px}
  .zoom-ctrl .zval{min-width:44px;font-size:12px}
}
@media(max-width:900px) and (orientation:landscape) and (max-height:500px){
  .topbar{height:52px}
  .canvas-area{top:52px;bottom:calc(76px + env(safe-area-inset-bottom,0px))}
  .side-panel{height:88vh;max-height:88vh}
  .tool{min-width:60px;padding:6px 8px}
  .tool .ti{font-size:19px}
  .tool .tl{font-size:9px}
  .zoom-ctrl{top:8px;right:8px}
  .zoom-ctrl button{width:36px;height:36px}
}