:root{
  --bg-0:#1b1b1e; --bg-1:#242428; --bg-2:#2d2d32; --bg-3:#37373d;
  --line:#0f0f11; --line-soft:#3f3f46;
  --txt:#d6d6da; --txt-dim:#8c8c94; --txt-bright:#ffffff;
  --accent:#4f9cff; --accent-soft:rgba(79,156,255,.18);
  --danger:#ff5d5d;
  --font-ui:13px/1.4 "Segoe UI", system-ui, -apple-system, sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;user-select:none;-webkit-user-select:none}
textarea,#livetext-input,input[type=text],input[type=number],input[type=search]{user-select:text;-webkit-user-select:text}
html,body{height:100%;overflow:hidden;background:var(--bg-0);color:var(--txt);font:var(--font-ui)}
button,input,select{font:inherit;color:inherit}
button{background:none;border:none;cursor:pointer}
input[type=text],input[type=number],select{
  background:var(--bg-0);border:1px solid var(--line-soft);border-radius:3px;
  color:var(--txt);padding:3px 6px;outline:none}
input:focus,select:focus{border-color:var(--accent)}
input[type=range]{accent-color:var(--accent)}
input[type=color]{border:1px solid var(--line-soft);background:none;padding:0;border-radius:3px;cursor:pointer}

/* ---------- App grid ---------- */
#app{display:grid;height:100%;
  grid-template-rows:28px 36px 1fr 22px;
  grid-template-columns:44px 1fr 252px 320px;
  grid-template-areas:
   "menu  menu  menu  menu"
   "opts  opts  opts  opts"
   "tools view  side  ads"
   "status status status status";}
#app.no-ads{
  grid-template-columns:44px 1fr 252px;
  grid-template-areas:
   "menu  menu  menu"
   "opts  opts  opts"
   "tools view  side"
   "status status status";}

/* ---------- Menubar ---------- */
#menubar{grid-area:menu;display:flex;align-items:center;background:var(--bg-2);border-bottom:1px solid var(--line);padding:0 6px;gap:2px}
#menubar .logo{font-weight:700;color:var(--accent);padding:0 10px 0 4px;letter-spacing:.5px;font-size:13px}
.menu-item{position:relative}
.menu-item>button{padding:4px 10px;border-radius:3px;color:var(--txt)}
.menu-item>button:hover,.menu-item.open>button{background:var(--bg-3)}
.dropdown{display:none;position:absolute;top:100%;left:0;min-width:210px;z-index:200;
  background:var(--bg-2);border:1px solid var(--line);border-radius:4px;box-shadow:0 8px 24px rgba(0,0,0,.5);padding:4px 0}
.menu-item.open .dropdown{display:block}
.dropdown button{display:flex;justify-content:space-between;width:100%;text-align:left;padding:5px 14px;color:var(--txt)}
.dropdown button:hover{background:var(--accent);color:#fff}
.dropdown button .kbd{color:var(--txt-dim);font-size:11px;margin-left:24px}
.dropdown button:hover .kbd{color:rgba(255,255,255,.8)}
.dropdown hr{border:none;border-top:1px solid var(--line-soft);margin:4px 0}
.dropdown .dd-label{padding:4px 14px;font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--txt-dim)}

/* ---------- Options bar ---------- */
#optionsbar{grid-area:opts;display:flex;align-items:center;gap:14px;background:var(--bg-1);border-bottom:1px solid var(--line);padding:0 12px;overflow-x:auto;white-space:nowrap}
#optionsbar .opt{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--txt-dim)}
#optionsbar .opt b{color:var(--txt);font-weight:600}
#optionsbar input[type=range]{width:110px}
#optionsbar input[type=number]{width:56px}

/* ---------- Toolbar ---------- */
#toolbar{grid-area:tools;background:var(--bg-2);border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;padding-top:6px;gap:2px;overflow-y:auto}
.tool-btn{width:34px;height:34px;border-radius:5px;display:flex;align-items:center;justify-content:center;color:var(--txt-dim);position:relative}
.tool-btn:hover{background:var(--bg-3);color:var(--txt)}
.tool-btn.active{background:var(--accent-soft);color:var(--accent)}
.tool-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.tool-sep{width:26px;border-top:1px solid var(--line-soft);margin:4px 0}
#color-wells{margin-top:8px;position:relative;width:34px;height:34px}
#color-wells input{position:absolute;width:22px;height:22px}
#fg-color{top:0;left:0;z-index:2}
#bg-color{bottom:0;right:0;z-index:1}

/* ---------- Viewport ---------- */
#viewport{grid-area:view;position:relative;overflow:hidden;background:var(--bg-0);
  background-image:radial-gradient(circle at 50% 40%, #232327 0%, #1b1b1e 70%)}
#stage{position:absolute;inset:0;cursor:crosshair;touch-action:none}
#welcome{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:var(--txt-dim)}
#welcome h1{font-size:26px;font-weight:300;color:var(--txt);letter-spacing:2px}
#welcome h1 b{color:var(--accent);font-weight:700}
#welcome .wbtns{display:flex;gap:10px}
#welcome .wbtns button{background:var(--bg-2);border:1px solid var(--line-soft);padding:8px 18px;border-radius:5px;color:var(--txt)}
#welcome .wbtns button:hover{border-color:var(--accent);color:var(--accent)}
#welcome small{font-size:11px}

/* ---------- Side panels ---------- */
#sidebar{grid-area:side;background:var(--bg-1);border-left:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden}
.panel{display:flex;flex-direction:column;border-bottom:1px solid var(--line);min-height:0}
.panel-head{padding:7px 10px;font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--txt-dim);background:var(--bg-2);display:flex;justify-content:space-between;align-items:center}
.panel-body{padding:8px 10px;overflow-y:auto}
#panel-adjust .row{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:12px}
#panel-adjust .row label{width:74px;color:var(--txt-dim)}
#panel-adjust .row input[type=range]{flex:1}
#panel-adjust .row output{width:34px;text-align:right;font-size:11px;color:var(--txt)}
#panel-adjust .btns{display:flex;gap:6px;margin-top:4px}
#panel-adjust .btns button{flex:1;background:var(--bg-3);border-radius:4px;padding:5px;font-size:12px}
#panel-adjust .btns button.primary{background:var(--accent);color:#fff}
#panel-adjust .btns button:hover{filter:brightness(1.15)}

#panel-layers{flex:1}
#layers-list{flex:1;overflow-y:auto;padding:4px}
.layer-row{display:flex;align-items:center;gap:8px;padding:5px 6px;border-radius:4px;cursor:pointer;border:1px solid transparent}
.layer-row:hover{background:var(--bg-2)}
.layer-row.active{background:var(--accent-soft);border-color:rgba(79,156,255,.35)}
.layer-row .eye{width:20px;height:20px;display:flex;align-items:center;justify-content:center;color:var(--txt-dim)}
.layer-row .eye.off{color:#55555c}
.layer-row .thumb{width:40px;height:30px;background:
  conic-gradient(#777 25%, #aaa 0 50%, #777 0 75%, #aaa 0) 0 0/12px 12px;
  border:1px solid var(--line-soft);border-radius:2px;flex-shrink:0}
.layer-row .thumb canvas{width:100%;height:100%;display:block}
.layer-row .lname{flex:1;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.layer-row .lock-ind{width:16px;height:20px;display:flex;align-items:center;justify-content:center;color:var(--txt-dim);cursor:pointer;flex-shrink:0}
.layer-row .lock-ind.locked{color:var(--accent)}
.layer-row.multi-selected{background:rgba(79,156,255,.12);border-color:rgba(79,156,255,.25)}
.layer-row.dragging{opacity:0.4}
.layer-row.drag-over{border-top:2px solid var(--accent)}
.context-menu button:hover .kbd{color:rgba(255,255,255,.8)}

.layer-controls{display:flex;align-items:center;gap:8px;padding:6px 10px;border-top:1px solid var(--line);font-size:11px;color:var(--txt-dim)}
.layer-controls select{flex:1;font-size:11px;padding:2px 4px}
.layer-controls input[type=range]{width:70px}
.layer-actions{display:flex;gap:2px;padding:4px 8px;border-top:1px solid var(--line);justify-content:flex-end}
.layer-actions button{width:26px;height:26px;border-radius:4px;color:var(--txt-dim);display:flex;align-items:center;justify-content:center}
.layer-actions button:hover{background:var(--bg-3);color:var(--txt)}
.layer-actions svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

#panel-history .panel-body{max-height:120px}
#history-list{font-size:12px}
#history-list div{padding:3px 6px;border-radius:3px;color:var(--txt-dim);cursor:pointer}
#history-list div.current{color:var(--txt);background:var(--bg-2)}

/* ---------- Status bar ---------- */
#statusbar{grid-area:status;background:var(--bg-2);border-top:1px solid var(--line);display:flex;align-items:center;gap:18px;padding:0 12px;font-size:11px;color:var(--txt-dim)}
#statusbar .zoom-ctl{display:flex;align-items:center;gap:6px}
#statusbar button{color:var(--txt-dim);padding:0 4px}
#statusbar button:hover{color:var(--txt)}

/* ---------- Dialogs ---------- */
#overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);display:none;z-index:500;align-items:center;justify-content:center}
#overlay.show{display:flex}
.dialog{background:var(--bg-1);border:1px solid var(--line-soft);border-radius:8px;min-width:320px;max-width:min(92vw,720px);max-height:92vh;overflow-y:auto;box-shadow:0 16px 48px rgba(0,0,0,.6)}
#overlay{padding:16px}
.dialog h3{padding:12px 16px;font-size:13px;border-bottom:1px solid var(--line);font-weight:600}
.dialog .d-body{padding:14px 16px;display:flex;flex-direction:column;gap:10px}
.dialog .d-row{display:flex;align-items:center;gap:10px;font-size:12px}
.dialog .d-row label{width:90px;color:var(--txt-dim)}
.dialog .d-row input,.dialog .d-row select{flex:1}
.dialog .d-foot{display:flex;justify-content:flex-end;gap:8px;padding:12px 16px;border-top:1px solid var(--line)}
.dialog .d-foot button{padding:6px 16px;border-radius:4px;background:var(--bg-3)}
.dialog .d-foot button.primary{background:var(--accent);color:#fff}
.dialog .d-foot button:hover{filter:brightness(1.15)}

::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:var(--bg-3);border-radius:5px;border:2px solid var(--bg-1)}
::-webkit-scrollbar-track{background:transparent}

@media (max-width:760px){
  #app{grid-template-columns:44px 1fr 0}
  #sidebar{display:none}
}

/* ---------- Crop handles ---------- */
.crop-handle{position:absolute;width:10px;height:10px;background:var(--accent);border:1.5px solid #fff;border-radius:2px;pointer-events:none}

/* ---------- Text preview in dialog ---------- */
#d-text-preview{word-break:break-word;text-align:center}

/* ---------- Options bar font select ---------- */
#optionsbar select{max-width:160px}
#optionsbar .opt{flex-shrink:0}

/* ---------- Gradient stops row ---------- */
#optionsbar input[type=color]{height:22px;width:32px;padding:0;cursor:pointer}

/* ---------- Clone source crosshair overlay (drawn on stage via __toolPreview) ---------- */


/* ---------- Ad Column (separate from sidebar) ---------- */
#ad-column{grid-area:ads;background:var(--bg-1);border-left:1px solid var(--line);
  display:flex;flex-direction:column;align-items:center;gap:14px;padding:16px 10px;overflow-y:auto}
#ad-column .ad-col-head{width:100%;font-size:10px;text-transform:uppercase;letter-spacing:1px;
  color:var(--txt-dim);text-align:center;padding-bottom:4px;border-bottom:1px solid var(--line-soft)}
.adbox-wrap{display:flex;flex-direction:column;gap:6px;align-items:center}
.adbox-label{font-size:9px;color:var(--txt-dim);text-transform:uppercase;letter-spacing:.5px;align-self:flex-start}
.adbox{width:300px;height:250px;background:var(--bg-0);border:1px solid var(--line-soft);
  border-radius:6px;display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0}
#ad-column .ad-footer{margin-top:auto;font-size:9px;color:#55555c;text-align:center;padding-top:8px}

@media (max-width:1280px){
  #app{grid-template-columns:44px 1fr 252px;
    grid-template-areas:
     "menu  menu  menu"
     "opts  opts  opts"
     "tools view  side"
     "status status status";}
  #ad-column{display:none}
}

/* ---------- Responsive dialogs ---------- */
@media (max-width:640px){
  .dialog{min-width:0;width:100%;max-width:100%;border-radius:10px}
  .dialog h3{font-size:14px;padding:14px 14px}
  .dialog .d-body{padding:12px 14px;gap:12px}
  .dialog .d-row{flex-wrap:wrap;gap:8px}
  .dialog .d-row label{width:auto;min-width:64px}
  .dialog .d-foot{flex-wrap:wrap;padding:12px 14px}
  .dialog .d-foot button{flex:1;min-width:120px;padding:10px 16px;font-size:14px}
  /* Text dialog preview canvas scales down */
  #d-prev-canvas{max-width:100%;height:auto}
  /* Stack text style checkboxes */
  #d-text{font-size:16px} /* avoid iOS zoom on focus */
}
@media (max-width:480px){
  #overlay{padding:8px;align-items:flex-start}
  .dialog{margin-top:8px}
  .dialog .d-row{font-size:13px}
}
/* Text dialog inputs: prevent overflow on narrow screens */
.dialog input[type=number]{max-width:90px}
.dialog input[type=color]{flex:0 0 auto}
.dialog textarea{width:100%;box-sizing:border-box}