:root{--bg:#111315;--panel:#191c20;--panel2:#20242a;--line:#30353d;--text:#f2f4f7;--muted:#9ca5b1;--accent:#7c8cff;--accent2:#9d7cff;--danger:#ff6875;--ok:#64d49a}
*{box-sizing:border-box}html,body{margin:0;height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text)}
button,input,select{font:inherit}button{border:0;color:inherit;cursor:pointer}
.app{height:100%;display:flex;flex-direction:column;overflow:hidden}.top{height:64px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:22px;padding:0 18px;background:#15171a}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px}.logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:grid;place-items:center;color:#fff;font-weight:900}.tag{color:var(--muted);font-size:13px}.topright{margin-left:auto;display:flex;gap:8px;align-items:center}
.iconbtn,.ghost,.secondary{background:var(--panel2);border:1px solid var(--line);border-radius:9px;padding:8px 11px}.iconbtn:hover,.ghost:hover,.secondary:hover{border-color:#555d69}
.workspace{min-height:0;flex:1;display:flex}.rail{width:92px;border-right:1px solid var(--line);padding:16px 8px;display:flex;flex-direction:column;gap:8px;background:#15171a}
.step{padding:12px 5px;background:transparent;border-radius:10px;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:4px;font-size:11px}.step b{font-size:16px}.step.active{background:#282d35;color:#fff}.step.done{color:#aeb8ff}.rail small{margin-top:auto;color:#707987;text-align:center;line-height:1.35}
.editor{min-width:0;flex:1;display:flex}.stage{min-width:0;flex:1;display:flex;flex-direction:column;padding:14px;background:#0e1012}
.toolbar{height:42px;display:flex;align-items:center;gap:8px}.toolbar .title{font-size:13px;color:var(--muted)}.toolbar .spacer{flex:1}
.canvasbox{position:relative;min-height:0;flex:1;border:1px solid var(--line);border-radius:13px;background:repeating-conic-gradient(#17191c 0 25%,#141619 0 50%) 50%/24px 24px;overflow:hidden;display:grid;place-items:center}
canvas{max-width:100%;max-height:100%;display:block;touch-action:none}.emptyState{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:25px}.emptyState.hidden{display:none}.dropZone{max-width:540px;border:1px dashed #4b5360;border-radius:16px;padding:34px;background:#15181c}.dropZone h1{margin:0 0 8px;font-size:28px}.dropZone p{margin:0 auto 20px;color:var(--muted);line-height:1.55}.actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.primary{background:var(--accent);color:#fff;padding:11px 16px;border-radius:10px;font-weight:700}.primary:hover{filter:brightness(1.08)}.secondary{padding:11px 16px}.hint{height:35px;display:flex;align-items:end;color:#777f8b;font-size:12px}
.controls{width:390px;border-left:1px solid var(--line);background:var(--panel);overflow:auto;padding:15px}.panel{border:1px solid var(--line);border-radius:12px;background:#171a1e;margin-bottom:12px}.panelhead{padding:14px;border-bottom:1px solid var(--line)}.panelhead h2{font-size:15px;margin:0 0 4px}.panelhead p{font-size:12px;color:var(--muted);margin:0}.body{padding:13px}.seg{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-bottom:13px}.seg button{padding:9px;background:#24282e;border:1px solid var(--line);border-radius:8px;color:#aeb5bf}.seg button.active{background:#343a45;border-color:var(--accent);color:#fff}
label.row{display:block;margin:13px 0}.row>span{display:flex;justify-content:space-between;font-size:12px;color:#c5cbd3;margin-bottom:7px}.row output{color:#fff}.row input[type=range]{width:100%;accent-color:var(--accent)}
.quick{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.quick4{grid-template-columns:repeat(4,1fr)}.quick button{padding:8px 5px;background:#22262c;border:1px solid var(--line);border-radius:8px;font-size:11px}.quick button.active{border-color:var(--accent);background:#303645}
.historyStack{display:grid;grid-template-columns:1fr 1fr;gap:7px}.historyStack button{padding:8px;background:#23272d;border:1px solid var(--line);border-radius:8px}.historyStack button:disabled{opacity:.35;cursor:not-allowed}
.areaTransfer{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);display:grid;gap:8px;font-size:12px;color:#c5cbd3}.areaTransfer small{color:var(--muted);font-size:11px;line-height:1.4}
.layerControls{margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid var(--line)}.layerHeading{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;font-size:12px;color:#c5cbd3}.layerHeading button,.deleteLayer{padding:6px 8px;border-radius:7px;background:#292e37;border:1px solid var(--line);font-size:11px}.layerList{display:grid;gap:6px}.layerItem{display:flex;justify-content:space-between;align-items:center;padding:8px 9px;background:#22262c;border:1px solid var(--line);border-radius:8px;text-align:left}.layerItem small{color:var(--muted);font-size:10px}.layerItem.active{border-color:var(--accent);background:#303645}.deleteLayer{width:100%;margin-top:7px;color:#ffabb3}.deleteLayer:disabled{opacity:.35;cursor:not-allowed}
.animationPresets{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.preset{padding:10px;text-align:center;background:#22262b;border:1px solid var(--line);border-radius:9px}.preset strong{display:block;font-size:12px}.preset small{color:var(--muted);font-size:10px}.preset.active{border-color:var(--accent);background:#2d3340}
.exportgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.exportgrid button{padding:10px 4px;background:#22262b;border:1px solid var(--line);border-radius:8px}.exportgrid button.active{border-color:var(--accent);background:#2d3340}
.status{font-size:11px;color:var(--muted);min-height:18px;margin-top:9px}.footercontrols{display:flex;gap:7px}.footercontrols button{flex:1}
input[type=file]{display:none}
@media(max-width:900px){.tag{display:none}.rail{width:68px}.controls{width:310px}}
@media(max-width:700px){.workspace{overflow:auto}.editor{display:block;min-width:0}.rail{display:none}.stage{height:55vh;min-height:380px}.controls{width:auto;border-left:0;border-top:1px solid var(--line)}.top{height:56px}.topright .iconbtn:nth-child(n+2){display:none}}

.stepnav{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:18px;padding-top:14px;border-top:1px solid var(--line);color:#7f8792;font-size:12px}.previewActions{display:flex;gap:8px;margin-top:16px}.previewActions button{flex:1}

.zoomControls{display:grid;grid-template-columns:38px 1fr 38px auto;gap:7px;align-items:center;margin:13px 0}.zoomControls button{padding:8px;background:#24282e;border:1px solid var(--line);border-radius:8px}.zoomControls output{text-align:center;color:#c5cbd3;font-size:12px}.canvasbox{overflow:auto;display:flex;align-items:center;justify-content:center}.canvasbox canvas{max-width:none;max-height:none;flex:none;cursor:none}#brushCursor{position:absolute;z-index:2;display:none;border:2px solid #fff;border-radius:50%;pointer-events:none;transform:translate(-50%,-50%);box-shadow:0 0 0 1px rgba(0,0,0,.85),inset 0 0 0 1px rgba(0,0,0,.35)}