:root{
  --bg0:#080a0b;
  --bg1:#0e1113;
  --bg2:#14181b;
  --panel:#0f1316cc;
  --panelSolid:#0f1316;
  --stroke:#ffffff1a;
  --stroke2:#ffffff26;
  --text:#e9ecef;
  --muted:#aab3ba;
  --shadow: 0 18px 60px #00000088;
  --accent:#b7ff3b;
  --accent2:#ffce52;
  --danger:#ff4d6d;
  --radius:18px;
  --radiusSm:12px;
  --fontDisplay:"Fraunces", serif;
  --fontUI:"Work Sans", system-ui, -apple-system, Segoe UI, sans-serif;
}

*{box-sizing:border-box}
[hidden]{display:none !important}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--fontUI);
  color:var(--text);
  background:
    radial-gradient(1200px 800px at 20% 10%, #1b2a2b55 0%, transparent 60%),
    radial-gradient(900px 900px at 80% 10%, #2a1f1f55 0%, transparent 55%),
    radial-gradient(900px 900px at 70% 90%, #0f253555 0%, transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow:hidden;
}

.app{
  position:relative;
  height:100%;
}

.app::before{
  content:"";
  position:absolute;
  inset:-40px;
  pointer-events:none;
  background-image:url("https://coreva-normal.trae.ai/api/ide/v1/text_to_image?prompt=macro%20photo%20of%20subtle%20film%20grain%20texture%2C%20neutral%20gray%2C%20even%20lighting%2C%20high%20detail%2C%20photographic%2C%20no%20patterns%2C%20seamless%20texture&image_size=square");
  background-size:520px 520px;
  mix-blend-mode:overlay;
  opacity:.09;
  filter:contrast(120%) brightness(105%);
}

.topbar{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 18px 12px 18px;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:260px;
}

.brandMark{
  width:44px;
  height:44px;
  border-radius:14px;
  background:
    radial-gradient(22px 22px at 30% 30%, #ffffff28 0%, transparent 55%),
    radial-gradient(28px 28px at 70% 70%, #b7ff3b22 0%, transparent 60%),
    linear-gradient(145deg, #141b1f, #0b0f12);
  border:1px solid #ffffff1a;
  box-shadow:0 10px 30px #00000077;
  position:relative;
  overflow:hidden;
}

.brandMark::after{
  content:"";
  position:absolute;
  inset:-40%;
  background:conic-gradient(from 180deg, transparent 0 30%, #b7ff3b18 45%, transparent 60% 100%);
  animation:spin 10s linear infinite;
}

@keyframes spin{to{transform:rotate(360deg)}}

.brandName{
  font-family:var(--fontDisplay);
  font-weight:650;
  letter-spacing:.2px;
  font-size:18px;
  line-height:1.1;
}

.brandTag{
  color:var(--muted);
  font-size:12px;
  margin-top:2px;
}

.topActions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  justify-content:flex-end;
}

.btn{
  appearance:none;
  border:1px solid var(--stroke2);
  background:linear-gradient(180deg, #141a1e, #0f1417);
  color:var(--text);
  padding:10px 12px;
  border-radius:12px;
  font-weight:600;
  font-size:13px;
  letter-spacing:.2px;
  cursor:pointer;
  box-shadow:0 10px 26px #00000055;
  transition:transform .08s ease, border-color .15s ease, filter .15s ease;
}

.btn:hover{border-color:#ffffff44; filter:brightness(1.06)}
.btn:active{transform:translateY(1px)}
.btn[aria-pressed="true"]{border-color:color-mix(in srgb, var(--accent) 70%, #ffffff 0%); box-shadow:0 14px 38px #00000066}

.btnPrimary{
  border-color:color-mix(in srgb, var(--accent) 50%, #ffffff 0%);
  background:linear-gradient(180deg, #1c2a1a, #111813);
}

.btnWide{width:100%}

.btnSmall{
  appearance:none;
  border:1px solid var(--stroke2);
  background:linear-gradient(180deg, #10161a, #0d1215);
  color:var(--text);
  padding:9px 10px;
  border-radius:12px;
  font-weight:600;
  font-size:12px;
  cursor:pointer;
  transition:border-color .15s ease, filter .15s ease, transform .08s ease;
}
.btnSmall:hover{border-color:#ffffff44; filter:brightness(1.05)}
.btnSmall:active{transform:translateY(1px)}

.iconBtn{
  appearance:none;
  border:1px solid var(--stroke2);
  background:linear-gradient(180deg, #10161a, #0c1013);
  color:var(--text);
  width:40px;
  height:40px;
  border-radius:14px;
  cursor:pointer;
  display:grid;
  place-items:center;
  font-size:18px;
  box-shadow:0 10px 26px #00000055;
  transition:border-color .15s ease, filter .15s ease, transform .08s ease;
}
.iconBtn:hover{border-color:#ffffff44; filter:brightness(1.06)}
.iconBtn:active{transform:translateY(1px)}

.main{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns: 1fr 420px;
  gap:16px;
  padding:0 16px 16px 16px;
  height:calc(100% - 72px);
}

.stage{
  position:relative;
  border-radius:var(--radius);
  border:1px solid #ffffff14;
  background:
    radial-gradient(900px 600px at 50% 10%, #1b242855 0%, transparent 60%),
    linear-gradient(180deg, #0b0f12, #07090a);
  box-shadow:var(--shadow);
  overflow:hidden;
  display:grid;
  grid-template-rows: 1fr auto;
}

.canvasShell{
  position:relative;
  min-height:0;
  display:grid;
  place-items:center;
  padding:14px;
}

.canvasShell::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    repeating-conic-gradient(from 0deg, #ffffff09 0 8deg, transparent 8deg 16deg);
  opacity:.12;
  mask-image:radial-gradient(60% 60% at 50% 45%, #000 30%, transparent 70%);
}

.canvas{
  max-width:100%;
  max-height:100%;
  border-radius:16px;
  box-shadow: 0 30px 90px #00000088;
  background:
    linear-gradient(45deg,#0f1214 25%, transparent 25%),
    linear-gradient(-45deg,#0f1214 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #0f1214 75%),
    linear-gradient(-45deg, transparent 75%, #0f1214 75%);
  background-size:22px 22px;
  background-position:0 0, 0 11px, 11px -11px, -11px 0px;
}

.dropZone{
  position:absolute;
  inset:14px;
  border-radius:22px;
  border:1px dashed #ffffff22;
  display:grid;
  place-items:center;
  z-index:3;
  background:linear-gradient(180deg, #0c101366, #0b0f1299);
  backdrop-filter: blur(10px);
  transition:opacity .2s ease, transform .2s ease;
}

.dropZone.isHidden{opacity:0; pointer-events:none; transform:scale(.995)}

.dropHint{
  text-align:center;
  padding:18px 16px;
  border-radius:18px;
  border:1px solid #ffffff18;
  background:linear-gradient(180deg, #11181dcc, #0c1216cc);
  box-shadow:0 24px 80px #00000077;
}
.dropTitle{
  font-family:var(--fontDisplay);
  font-weight:650;
  font-size:24px;
  letter-spacing:.2px;
}
.dropSub{color:var(--muted); margin-top:8px; font-size:13px}

.stageFooter{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 14px 14px 14px;
}

.stageMeta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.metaPill{
  font-size:12px;
  color:var(--muted);
  border:1px solid #ffffff18;
  background:#0e1316aa;
  padding:7px 10px;
  border-radius:999px;
}

.stageTools{display:flex; gap:10px}

.panel{
  border-radius:var(--radius);
  border:1px solid #ffffff14;
  background:linear-gradient(180deg, var(--panel), #0b0f12cc);
  box-shadow:var(--shadow);
  overflow:hidden;
  display:flex;
  min-height:0;
}

.panelInner{
  width:100%;
  display:flex;
  flex-direction:column;
  min-height:0;
}

.panelHeader{
  padding:16px 16px 10px 16px;
  border-bottom:1px solid #ffffff10;
}
.panelTitle{
  font-family:var(--fontDisplay);
  font-weight:650;
  font-size:18px;
}
.panelSubtitle{color:var(--muted); font-size:12px; margin-top:3px}

.accordion{
  overflow:auto;
  padding:10px 12px 14px 12px;
  min-height:0;
  flex:1;
}

.accSection{
  border:1px solid #ffffff12;
  border-radius:16px;
  overflow:hidden;
  background:linear-gradient(180deg, #0f1418cc, #0b0f12cc);
  margin-bottom:12px;
}

.accHead{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:12px 12px;
  color:var(--text);
  background:transparent;
  border:0;
  cursor:pointer;
  font-weight:700;
  letter-spacing:.15px;
}
.accChevron{color:var(--muted); transform:translateY(-1px)}
.accBody{padding:12px; padding-top:0}
.accSection.isClosed .accBody{display:none}
.accSection.isClosed .accChevron{transform:rotate(-90deg) translateX(1px)}

.controlRow{
  display:grid;
  grid-template-columns: 110px 1fr;
  gap:10px;
  align-items:center;
  margin-top:12px;
}
.controlLabel{font-size:12px; color:var(--muted)}
.controlField{display:grid; grid-template-columns: 1fr 80px; gap:10px; align-items:center}

input[type="range"]{
  width:100%;
  accent-color:var(--accent);
}
.num{
  width:100%;
  border:1px solid #ffffff1f;
  background:#0b0f12;
  color:var(--text);
  padding:8px 10px;
  border-radius:12px;
  font-weight:600;
}
.num:focus{outline:2px solid #b7ff3b33; outline-offset:1px}

.select{
  width:100%;
  border:1px solid #ffffff1f;
  background:#0b0f12;
  color:var(--text);
  padding:10px 10px;
  border-radius:12px;
  font-weight:600;
}

.text{
  width:100%;
  border:1px solid #ffffff1f;
  background:#0b0f12;
  color:var(--text);
  padding:10px 10px;
  border-radius:12px;
  font-weight:600;
}

.curveRow{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:6px;
}

.segmented{
  display:flex;
  gap:8px;
  border:1px solid #ffffff1a;
  background:#0b0f12;
  border-radius:14px;
  padding:6px;
}

.segBtn{
  border:1px solid transparent;
  background:transparent;
  color:var(--muted);
  font-weight:700;
  font-size:12px;
  padding:8px 10px;
  border-radius:12px;
  cursor:pointer;
}
.segBtn.isOn{
  color:var(--text);
  border-color:#ffffff1f;
  background:linear-gradient(180deg, #141a1e, #0d1114);
  box-shadow:0 14px 30px #00000066;
}

.curveShell{margin-top:10px}
#curveCanvas{
  width:100%;
  height:auto;
  border-radius:16px;
  border:1px solid #ffffff12;
  background:linear-gradient(180deg, #0a0e11, #07090a);
}
.curveHelp{color:var(--muted); font-size:12px; margin-top:8px}

.geomRow{display:flex; gap:10px; margin-top:10px; flex-wrap:wrap}

.presetRow{display:grid; grid-template-columns: 1fr auto; gap:10px; align-items:center; margin-top:10px}

.histRow{display:flex; gap:10px; margin-top:10px}
.historyList{
  margin:12px 0 0 0;
  padding:0;
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.historyList li{
  border:1px solid #ffffff10;
  background:#0b0f12cc;
  border-radius:14px;
  padding:10px 10px;
  font-size:12px;
  color:var(--muted);
  display:flex;
  justify-content:space-between;
  gap:10px;
}
.historyList li.isActive{border-color:#b7ff3b2a; color:var(--text)}

.exportCard{
  border-top:1px solid #ffffff10;
  padding:14px 14px 14px 14px;
  background:linear-gradient(180deg, #0b0f12cc, #07090aee);
}
.exportTop{display:flex; align-items:baseline; justify-content:space-between; gap:10px}
.exportTitle{font-family:var(--fontDisplay); font-weight:650; font-size:16px}
.exportSub{color:var(--muted); font-size:12px}
.exportGrid{
  margin-top:12px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:10px;
}
.field{display:flex; flex-direction:column; gap:6px; font-size:12px; color:var(--muted)}
.exportStatus{margin-top:10px; color:var(--muted); font-size:12px; min-height:16px}

.note{margin-top:10px; color:var(--muted); font-size:12px}
.muted{color:var(--muted)}

.dlg{
  width:min(820px, calc(100% - 24px));
  border:1px solid #ffffff18;
  border-radius:22px;
  background:linear-gradient(180deg, #0d1216f2, #080a0bf2);
  color:var(--text);
  box-shadow:0 40px 130px #000000bb;
}
.dlg::backdrop{background:#00000088; backdrop-filter: blur(6px)}
.dlgHeader{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  padding:16px 16px 12px 16px;
  border-bottom:1px solid #ffffff12;
}
.dlgTitle{font-family:var(--fontDisplay); font-weight:650; font-size:18px}
.dlgSub{color:var(--muted); font-size:12px; margin-top:2px}
.dlgBody{padding:14px 16px 16px 16px}

.aiRow{display:flex; align-items:center; gap:12px}
.aiResults{margin-top:14px; display:flex; flex-direction:column; gap:10px}
.aiCard{
  border:1px solid #ffffff12;
  border-radius:16px;
  background:#0b0f12cc;
  padding:12px;
}
.aiCardTop{display:flex; align-items:baseline; justify-content:space-between; gap:12px}
.aiLabel{font-weight:700}
.aiScore{color:var(--muted); font-size:12px}
.aiActions{display:flex; gap:10px; margin-top:10px; flex-wrap:wrap}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:1px solid #ffffff12;
  background:#0b0f12;
  color:var(--muted);
  padding:7px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
}
.pillStrong{border-color:#b7ff3b24; color:var(--text)}

.addonTop{display:flex; gap:10px; flex-wrap:wrap}
.addonList{margin-top:12px; display:flex; flex-direction:column; gap:10px}
.addonItem{
  border:1px solid #ffffff12;
  border-radius:16px;
  background:#0b0f12cc;
  padding:12px;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
}
.addonName{font-weight:800}
.addonMeta{color:var(--muted); font-size:12px; margin-top:4px}
.addonBtns{display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end}
.toggle{
  display:inline-flex;
  align-items:center;
  gap:10px;
  border:1px solid #ffffff1a;
  background:#0b0f12;
  color:var(--text);
  padding:9px 10px;
  border-radius:14px;
  cursor:pointer;
  font-weight:700;
  font-size:12px;
}
.toggle[aria-pressed="true"]{border-color:#b7ff3b2a}

.kbdGrid{display:grid; grid-template-columns: 1fr 1fr; gap:12px}
.kbdItem{
  border:1px solid #ffffff12;
  border-radius:16px;
  background:#0b0f12cc;
  padding:12px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  color:var(--muted);
  font-size:12px;
}
kbd{
  font-family:var(--fontUI);
  color:var(--text);
  background:linear-gradient(180deg, #141a1e, #0c1013);
  border:1px solid #ffffff12;
  border-bottom-color:#ffffff24;
  padding:6px 8px;
  border-radius:10px;
  font-weight:800;
  min-width:34px;
  text-align:center;
}

.cropOverlay{
  position:absolute;
  inset:14px;
  border-radius:16px;
  background:#00000055;
  border:1px solid #ffffff12;
  display:grid;
  place-items:center;
}
.cropRect{
  position:absolute;
  border:1px solid color-mix(in srgb, var(--accent) 60%, #ffffff 0%);
  box-shadow:0 0 0 9999px #00000066;
  border-radius:10px;
  cursor:move;
}
.cropHelp{
  position:absolute;
  bottom:12px;
  left:12px;
  right:12px;
  color:var(--muted);
  font-size:12px;
  text-align:center;
}

.srOnly{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

@media (max-width: 1120px){
  body{overflow:auto}
  .main{grid-template-columns:1fr; height:auto}
  .panel{min-height:520px}
  .stage{height:68vh; min-height:520px}
}