:root{
  --bg:#0b0d12; --panel:#12151d; --panel2:#171b26; --line:#242a38;
  --txt:#e7ecf5; --dim:#8b95ab; --accent:#7c5cff; --accent2:#22d3ee;
  --good:#34d399; --bad:#f43f5e; --warn:#fbbf24;
  --r:10px;
}
*{box-sizing:border-box}
/* the hidden attribute must beat our display rules (#login is display:grid, #app is flex) */
[hidden]{display:none !important}
html,body{height:100%}
body{
  margin:0; background:var(--bg); color:var(--txt);
  font:13px/1.4 "Segoe UI",Inter,system-ui,sans-serif;
  overflow:hidden;
}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:var(--panel2);border:1px solid var(--line);
  border-radius:8px;padding:7px 12px;transition:.12s}
button:hover{background:#202636;border-color:#39425a}
button.ghost{background:transparent}
button.accent{background:linear-gradient(135deg,var(--accent),#a855f7);border-color:transparent;font-weight:700}
button.accent:hover{filter:brightness(1.15)}
button.danger{background:transparent;border-color:#4a2430;color:#ff8095}
button.danger:hover{background:#2a151c}
input,select,textarea{background:#0e1118;border:1px solid var(--line);border-radius:8px;padding:7px 9px;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}
.row{display:flex;align-items:center}
.row.gap{gap:8px}
.row.wrap{flex-wrap:wrap}
.row-between{display:flex;justify-content:space-between;align-items:center}
.spacer{flex:1}
.hint{color:var(--dim);font-size:11px}
.err{color:var(--bad);min-height:18px;font-size:12px;margin-top:8px}

/* ------------------------------- login ------------------------------- */
#login{position:fixed;inset:0;display:grid;place-items:center;z-index:200;
  background:radial-gradient(1200px 600px at 50% -10%,#241b4d,#080a0f 60%)}
#loginForm{width:340px;background:rgba(18,21,29,.92);border:1px solid var(--line);
  border-radius:16px;padding:32px;text-align:center;box-shadow:0 30px 80px #000a}
#loginForm .logo{font-size:44px}
#loginForm h1{margin:8px 0 2px;font-size:20px;letter-spacing:3px}
#loginForm .sub{margin:0 0 22px;color:var(--dim);font-size:12px}
#loginForm input{text-align:center;letter-spacing:4px;padding:12px;margin-bottom:12px}
#loginForm button{width:100%;padding:12px;background:linear-gradient(135deg,var(--accent),#a855f7);
  border:0;font-weight:800;letter-spacing:2px}

/* ------------------------------- shell ------------------------------- */
#app{display:flex;flex-direction:column;height:100vh}
header{display:flex;align-items:center;gap:16px;padding:10px 16px;
  background:var(--panel);border-bottom:1px solid var(--line)}
.brand{letter-spacing:2px;font-size:14px;white-space:nowrap}
.brand b{color:var(--accent2)}
.urlbox{min-width:430px}
.urlbox label{display:block;font-size:10px;color:var(--dim);letter-spacing:1px;margin-bottom:3px}
.urlbox .row{gap:6px}
.urlbox input{font-family:ui-monospace,Consolas,monospace;font-size:12px}
.urlbox select{width:auto;max-width:150px;font-size:11px}
.status{display:flex;align-items:center;gap:7px;white-space:nowrap;color:var(--dim)}
.dot{width:9px;height:9px;border-radius:50%;background:var(--bad);box-shadow:0 0 10px currentColor}
.dot.on{background:var(--good)}
.toggle{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--dim);cursor:pointer;user-select:none}
.toggle input{display:none}
.toggle span{width:34px;height:18px;border-radius:99px;background:#2a3042;position:relative;transition:.15s}
.toggle span::after{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:#8b95ab;transition:.15s}
.toggle input:checked + span{background:var(--accent)}
.toggle input:checked + span::after{left:18px;background:#fff}
button.push{padding:12px 26px;font-weight:900;letter-spacing:1.5px;
  background:linear-gradient(135deg,#ff2d73,#ff7a18);border:0;box-shadow:0 6px 24px #ff2d7340}
button.push:hover{filter:brightness(1.12)}
button.push.flash{animation:pushed .5s ease}
@keyframes pushed{0%{transform:scale(1)}40%{transform:scale(.94);filter:brightness(1.6)}100%{transform:scale(1)}}

main{flex:1;display:flex;min-height:0}
aside.left{width:246px;border-right:1px solid var(--line);background:var(--panel);
  overflow-y:auto;padding:10px;flex-shrink:0}
aside.right{width:306px;border-left:1px solid var(--line);background:var(--panel);
  overflow-y:auto;padding:10px;flex-shrink:0}
.center{flex:1;display:flex;flex-direction:column;min-width:0;background:#080a0f}
.panel-title{font-size:10px;letter-spacing:2px;color:var(--dim);margin:12px 4px 7px}
.panel-title:first-child{margin-top:2px}

.addgrid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.addgrid button{padding:9px 6px;font-size:12px;text-align:left}

/* ------------------------------ layers ------------------------------- */
.layers,.scenes{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.layers li{display:flex;align-items:center;gap:6px;padding:7px 8px;background:var(--panel2);
  border:1px solid var(--line);border-radius:8px;cursor:pointer}
.layers li:hover{border-color:#39425a}
.layers li.sel{border-color:var(--accent);background:#1c1a36}
.layers li .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.layers li .ic{opacity:.8}
.layers li .mini-btn{background:none;border:0;padding:2px 4px;font-size:12px;opacity:.55}
.layers li .mini-btn:hover{opacity:1}
.layers li.hidden .nm{opacity:.4;text-decoration:line-through}
.scenes li{display:flex;gap:6px;align-items:center;padding:6px 8px;background:var(--panel2);
  border:1px solid var(--line);border-radius:8px;font-size:12px}
.scenes li .nm{flex:1;cursor:pointer}

/* ------------------------------ canvas ------------------------------- */
.canvas-bar{display:flex;align-items:center;gap:10px;padding:8px 12px;
  background:var(--panel);border-bottom:1px solid var(--line)}
.tabs{display:flex;gap:4px;background:#0e1118;padding:3px;border-radius:9px;border:1px solid var(--line)}
.tab{background:transparent;border:0;padding:6px 14px;border-radius:7px;font-size:12px;font-weight:700;letter-spacing:1px}
.tab i{font-style:normal;font-size:9px;color:var(--dim);margin-left:6px;letter-spacing:0}
.tab.active{background:var(--accent);color:#fff}
.tab.active i{color:#ffffffaa}
.mini{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--dim)}
.mini input{width:auto}
.canvas-bar select{width:auto}

.canvas-wrap{flex:1;overflow:auto;display:grid;place-items:center;padding:18px;min-height:0}
.canvas-scaler{transform-origin:center center}
.canvas{position:relative;width:1920px;height:1080px;background:#000;
  box-shadow:0 0 0 1px #39425a,0 24px 80px #000c}
.canvas.checker{
  background-color:#15171c;
  background-image:
    linear-gradient(45deg,#1e2129 25%,transparent 25%),
    linear-gradient(-45deg,#1e2129 25%,transparent 25%),
    linear-gradient(45deg,transparent 75%,#1e2129 75%),
    linear-gradient(-45deg,transparent 75%,#1e2129 75%);
  background-size:40px 40px;
  background-position:0 0,0 20px,20px -20px,-20px 0;
}
.scene-root{position:absolute;inset:0;overflow:hidden}
.grid{position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(#ffffff12 1px,transparent 1px),linear-gradient(90deg,#ffffff12 1px,transparent 1px);
  background-size:120px 120px}
.grid::after{content:"";position:absolute;inset:0;
  background-image:linear-gradient(#ffffff26 1px,transparent 1px),linear-gradient(90deg,#ffffff26 1px,transparent 1px);
  background-size:960px 540px}
#guides div{position:absolute;background:var(--accent2);pointer-events:none;z-index:9998}

/* selection box + handles (sized in canvas px, so they look right at any zoom) */
#selbox{position:absolute;outline:2px solid var(--accent2);outline-offset:0;z-index:9999;pointer-events:none}
#selbox .handle{position:absolute;width:22px;height:22px;background:var(--accent2);
  border:3px solid #0b0d12;border-radius:4px;pointer-events:auto}
#selbox .handle[data-h=nw]{left:-11px;top:-11px;cursor:nwse-resize}
#selbox .handle[data-h=n] {left:calc(50% - 11px);top:-11px;cursor:ns-resize}
#selbox .handle[data-h=ne]{right:-11px;top:-11px;cursor:nesw-resize}
#selbox .handle[data-h=w] {left:-11px;top:calc(50% - 11px);cursor:ew-resize}
#selbox .handle[data-h=e] {right:-11px;top:calc(50% - 11px);cursor:ew-resize}
#selbox .handle[data-h=sw]{left:-11px;bottom:-11px;cursor:nesw-resize}
#selbox .handle[data-h=s] {left:calc(50% - 11px);bottom:-11px;cursor:ns-resize}
#selbox .handle[data-h=se]{right:-11px;bottom:-11px;cursor:nwse-resize}
#selbox .handle.rot{left:calc(50% - 11px);top:-64px;border-radius:50%;background:var(--warn);cursor:grab}
.scene-root .el{pointer-events:none}
.canvas.editing .scene-root .el{pointer-events:auto;cursor:move}

.quickbar{display:flex;gap:8px;align-items:center;padding:10px 12px;
  background:var(--panel);border-top:1px solid var(--line)}
.quickbar input{flex:1}
.quickbar select{width:auto}

/* ---------------------------- inspector ------------------------------ */
.inspector .empty{color:var(--dim);text-align:center;padding:30px 10px}
.grp{border:1px solid var(--line);border-radius:10px;margin-bottom:8px;overflow:hidden;background:var(--panel2)}
.grp > summary{padding:8px 10px;cursor:pointer;font-size:11px;letter-spacing:1.5px;color:var(--dim);
  list-style:none;user-select:none;background:#141824}
.grp > summary::-webkit-details-marker{display:none}
.grp > summary::before{content:"";display:inline-block;width:5px;height:5px;margin-right:8px;
  border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);
  transform:rotate(-45deg) translate(-1px,-1px);transition:transform .15s}
.grp[open] > summary::before{transform:rotate(45deg) translate(-1px,-1px)}
.grp .body{padding:9px 10px;display:flex;flex-direction:column;gap:8px}
.fld{display:grid;grid-template-columns:92px 1fr;align-items:center;gap:8px}
.fld > label{font-size:11px;color:var(--dim);overflow:hidden;text-overflow:ellipsis}
.fld.wide{grid-template-columns:1fr}
.fld textarea{min-height:70px;resize:vertical;font-family:inherit}
.fld input[type=color]{padding:2px;height:30px;cursor:pointer}
.fld input[type=range]{padding:0;accent-color:var(--accent)}
.fld .pair{display:flex;gap:6px}
.fld .val{font-size:11px;color:var(--dim);min-width:34px;text-align:right}
.btnrow{display:flex;gap:6px;flex-wrap:wrap}
.btnrow button{flex:1;font-size:11px;padding:6px 4px}
.chip{display:inline-block;padding:2px 8px;border-radius:99px;background:#1f2433;
  font-size:10px;letter-spacing:1px;color:var(--accent2)}

/* ------------------------------ library ------------------------------ */
footer#library{background:var(--panel);border-top:1px solid var(--line);flex-shrink:0}
footer#library.collapsed .lib-body{display:none}
.lib-head{display:flex;align-items:center;gap:12px;padding:8px 12px}
.lib-tabs{display:flex;gap:4px}
.ltab{padding:5px 12px;font-size:11px;letter-spacing:1px;background:transparent}
.ltab.active{background:var(--accent);border-color:transparent}
.upload{background:var(--panel2);border:1px dashed #3a4358;padding:7px 14px;border-radius:8px;
  cursor:pointer;font-size:12px}
.upload:hover{border-color:var(--accent)}
.lib-body{max-height:190px;overflow-y:auto;padding:0 12px 12px}
.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:8px}
.card{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:6px;
  font-size:10px;text-align:center;position:relative;cursor:pointer;overflow:hidden}
.card:hover{border-color:var(--accent)}
.card img,.card video{width:100%;height:62px;object-fit:cover;border-radius:5px;background:#000;display:block}
.card .nm{margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--dim)}
.card .x{position:absolute;top:2px;right:2px;background:#000a;border:0;border-radius:5px;
  padding:1px 5px;font-size:11px;color:#ff8095;opacity:0}
.card:hover .x{opacity:1}
.card .fontprev{height:62px;display:grid;place-items:center;font-size:22px;background:#0e1118;border-radius:5px}
.cam-previews{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}
.cam-previews .cam{position:relative;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#000}
.cam-previews video{width:176px;height:99px;object-fit:cover;display:block}
.cam-previews .tag{position:absolute;bottom:0;left:0;right:0;background:#000b;font-size:10px;padding:2px 5px;color:var(--accent2)}

#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);
  background:#1c2132;border:1px solid var(--accent);padding:10px 20px;border-radius:10px;
  opacity:0;pointer-events:none;transition:.2s;z-index:300;font-size:13px}
#toast.show{opacity:1;transform:translateX(-50%)}


/* ------------------------------- icons ------------------------------- */
.ic{display:block;flex-shrink:0}
button{display:inline-flex;align-items:center;justify-content:center;gap:7px;line-height:1}
.addgrid button{justify-content:flex-start;gap:9px}
.addgrid button .ic{color:var(--accent2);opacity:.95}
.brand{display:flex;align-items:center;gap:9px}
.brand .ic{color:var(--accent)}
#loginForm .logo{display:flex;justify-content:center;color:var(--accent);margin-bottom:4px}
#loginForm .logo .ic{width:34px;height:34px}
.layers li .ic{display:flex;color:var(--accent2);opacity:.9}
.layers li .mini-btn{display:flex;align-items:center;justify-content:center;padding:3px;
  border-radius:6px;opacity:.45}
.layers li .mini-btn:hover{opacity:1;background:#262d3f}
.scenes li .mini-btn{display:flex;align-items:center;justify-content:center;background:none;
  border:0;padding:3px;opacity:.5}
.scenes li .mini-btn:hover{opacity:1}
#inspectTitle{display:flex;align-items:center;gap:7px;color:var(--txt);font-size:12px;letter-spacing:1px}
#inspectTitle .ic{color:var(--accent2)}
#inspectTitle .t{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card .x{display:flex;align-items:center;justify-content:center;padding:2px}
.card .fontprev .ic{color:var(--dim)}
.upload{display:inline-flex;align-items:center;gap:8px}
#libToggle{gap:7px}
.quickbar button,.lib-cams button{white-space:nowrap}
.btnrow button{gap:5px}
.fld .pair button{padding:6px 8px}

/* a Camera element with no source selected, shown only in the editor */
.canvas .inner.no-feed{
  border:3px dashed #39425a;
  background:repeating-linear-gradient(45deg,#12151d,#12151d 14px,#161a25 14px,#161a25 28px);
}
.canvas .inner.no-feed::after{
  content:"no camera source - start one in CAMERAS";
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:#8b95ab;font:600 26px "Segoe UI",sans-serif;letter-spacing:1px;text-align:center;padding:12px;
}

/* an Audio element is sound only, so give it a visible handle in the editor */
.canvas .inner.audio-el{
  border:2px dashed #3a4358;border-radius:10px;
  background:linear-gradient(135deg,#1a1430,#12151d);
}
.canvas .inner.audio-el::after{
  content:"audio";
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:#7c5cff;font:700 34px "Segoe UI",sans-serif;letter-spacing:6px;text-transform:uppercase;
}
/* quick "play once on stream" button on media cards */
.card .pl{
  position:absolute;top:2px;left:2px;background:#000a;border:0;border-radius:5px;
  padding:2px 5px;color:var(--accent2);opacity:0;display:flex;align-items:center;
}
.card:hover .pl{opacity:1}
.card .pl:hover{background:var(--accent);color:#fff}

/* Drag bar above the selection, so elements that swallow clicks (a clickable
   browser source) can still be moved. */
#selbox .handle.move{
  left:0;right:0;top:-34px;width:auto;height:26px;border-radius:6px;
  background:var(--accent2);border:0;cursor:move;
  display:flex;align-items:center;justify-content:center;gap:4px;
}
#selbox .handle.move::before{
  content:"";width:34px;height:6px;border-radius:3px;
  background:repeating-linear-gradient(90deg,#0b0d12 0 3px,transparent 3px 6px);
}

/* Iframes must not swallow the pointer mid-drag (see startDrag). */
.canvas.dragging .el iframe{pointer-events:none !important}

/* A browser source set to audio-only: visible here, hidden on stream. */
.canvas .inner.audio-only{outline:3px dashed #7c5cff;outline-offset:-3px}
.canvas .inner.audio-only::after{
  content:"audio only";
  position:absolute;left:0;top:0;padding:6px 14px;border-bottom-right-radius:10px;
  background:#7c5cff;color:#fff;font:700 20px "Segoe UI",sans-serif;letter-spacing:2px;
}