:root{
  --bg:#0e1014; --panel:#161a21; --panel2:#1d222b; --line:#272d38;
  --ink:#e8ecf2; --ink-dim:#98a2b3; --accent:#ffc53d; --accent-ink:#221a03;
  --radius:10px;
  --font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.45 var(--font);-webkit-font-smoothing:antialiased}
button,input,select{font:inherit;color:inherit}

.topbar{display:flex;align-items:center;gap:16px;padding:10px 16px;border-bottom:1px solid var(--line);background:var(--panel);position:sticky;top:0;z-index:10;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:9px;font-weight:650;letter-spacing:-.01em}
.logo{width:18px;height:18px;border-radius:5px;background:linear-gradient(150deg,var(--accent),#ff8a3d);box-shadow:inset 0 0 0 2px rgba(0,0,0,.35)}
.brandname{font-size:15px}
.privacy{margin:0;color:var(--ink-dim);font-size:12.5px;display:flex;align-items:center;gap:7px}
.privacy .dot{width:7px;height:7px;border-radius:50%;background:#35d07f;box-shadow:0 0 0 3px rgba(53,208,127,.15)}
.topactions{margin-left:auto;display:flex;gap:8px}

.btn{background:var(--panel2);border:1px solid var(--line);color:var(--ink);padding:8px 14px;border-radius:8px;cursor:pointer}
.btn:hover:not(:disabled){border-color:#3a4354}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn-primary{background:var(--accent);border-color:transparent;color:var(--accent-ink);font-weight:600}
.btn-primary:hover:not(:disabled){filter:brightness(1.06)}
.btn-lg{padding:11px 20px;border-radius:9px}

.layout{display:grid;grid-template-columns:320px 1fr;min-height:calc(100vh - 53px)}
.panel{border-right:1px solid var(--line);background:var(--panel);padding:4px 0 40px;overflow-y:auto;max-height:calc(100vh - 53px)}
.group{padding:16px;border-bottom:1px solid var(--line)}
.group h2{margin:0 0 12px;font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-dim);font-weight:600}
.group h2 small{text-transform:none;letter-spacing:0;font-weight:400;opacity:.7;margin-left:6px}

.field{display:block;margin-bottom:12px}
.field>span{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-dim);margin-bottom:5px}
.field input[type=text],.field select,select.wide{width:100%;background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:8px 10px}
.field input[type=text]:focus,.field select:focus,select.wide:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:transparent}
.field input[type=range]{width:100%;accent-color:var(--accent)}
output{color:var(--ink);font-variant-numeric:tabular-nums}
.hint{margin:8px 0 0;font-size:12px;color:var(--ink-dim)}

.drop{border:1.5px dashed #333c4a;border-radius:var(--radius);padding:18px 12px;text-align:center;cursor:pointer;display:grid;gap:3px;background:rgba(255,255,255,.015)}
.drop strong{font-size:13.5px}
.drop span{font-size:12px;color:var(--ink-dim)}
.drop:hover,.drop.over{border-color:var(--accent);background:rgba(255,197,61,.06)}

.strip{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.thumb{position:relative;width:56px;height:100px;border-radius:7px;overflow:hidden;border:2px solid transparent;background:#0b0d11;cursor:pointer;padding:0}
.thumb img{width:100%;height:100%;object-fit:contain;display:block}
.thumb.sel{border-color:var(--accent)}
.thumb .x{position:absolute;top:2px;right:2px;width:17px;height:17px;border:0;border-radius:50%;background:rgba(0,0,0,.65);color:#fff;font-size:11px;line-height:17px;cursor:pointer;padding:0}
.thumb .x:hover{background:#d64545}

.swatches{display:flex;gap:7px;flex-wrap:wrap}
.sw{width:30px;height:30px;border-radius:7px;border:2px solid transparent;cursor:pointer;padding:0}
.sw.sel{border-color:var(--ink);box-shadow:0 0 0 2px var(--panel),0 0 0 3px var(--accent)}

.stage{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 16px;gap:10px;min-width:0}
.stagewrap{position:relative;display:flex;align-items:center;justify-content:center;width:100%;flex:1;min-height:0}
#preview{max-height:calc(100vh - 140px);max-width:100%;border-radius:6px;box-shadow:0 14px 44px rgba(0,0,0,.5);display:none}
#preview.on{display:block}
.stagemeta{margin:0;color:var(--ink-dim);font-size:12px;min-height:1em}

.empty{max-width:480px;text-align:center;padding:20px}
.empty h1{font-size:27px;line-height:1.2;letter-spacing:-.02em;margin:0 0 12px}
.empty p{color:var(--ink-dim);margin:0 0 18px}
.fineprint{font-size:12px;margin:14px 0 0!important}

@media (max-width:860px){
  .layout{grid-template-columns:1fr}
  .panel{max-height:none;border-right:0;border-bottom:1px solid var(--line);order:2}
  .stage{order:1;padding:16px 12px}
  #preview{max-height:56vh}
  .privacy{order:3;width:100%}
}

.checks{display:grid;gap:7px}
.check{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--ink);cursor:pointer}
.check input{accent-color:var(--accent);width:15px;height:15px;flex:none;margin:0}
.check span{color:var(--ink-dim)}
.check:hover span{color:var(--ink)}
.verify code{display:block;margin:7px 0;padding:7px 9px;background:#0b0d11;border:1px solid var(--line);border-radius:7px;color:#8fe3b0;font-size:11.5px;word-break:break-word;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.busy{opacity:.6;pointer-events:none}

.group.pro{background:linear-gradient(160deg,rgba(255,197,61,.07),transparent 70%)}
.group.pro strong{color:var(--ink)}
.group.pro em{color:var(--accent);font-style:normal;font-weight:600}