:root{
  --bg:#0f1320;
  --card:#151a2d;
  --accent:#c9a227; /* or */
  --text:#e8eaf6;
  --muted:#aab1c3;
  --border: #2a3150;
  --shadow: 0 10px 25px rgba(0,0,0,.35);
  --radius:18px;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:linear-gradient(180deg,#0e1220,#12172a 40%,#0f1320);color:var(--text);min-height:100vh}
a{color:inherit;text-decoration:none}
.container{display:flex;align-items:center;justify-content:center;min-height:100vh}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);max-width:720px;width:100%;}
.card h1,.card h2{margin-top:0}
label{display:block;margin:8px 0 6px 0;font-weight:600}
input,select,button{width:100%;padding:12px;border-radius:12px;border:1px solid var(--border);background:#0f1426;color:var(--text)}
button{cursor:pointer;background:linear-gradient(180deg,#e2c36a,#c9a227);color:#0b0e19;border:none;font-weight:700}
button.danger{background:#9c2b2b}
.alert{background:#1f263f;border:1px solid #394273;padding:12px;border-radius:12px;margin:10px 0}
.flex{display:flex;gap:10px;align-items:center}
.inline{display:inline-block;margin-left:10px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.list{list-style:none;padding-left:0}
.list li{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px dashed #28304e}
.list .icon{width:20px;height:20px;object-fit:contain}

.topbar{display:flex;justify-content:space-between;align-items:center;padding:12px 18px;background:rgba(12,16,30,.7);backdrop-filter: blur(10px);position:sticky;top:0;border-bottom:1px solid var(--border)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.5px}
.brand img{width:28px;height:28px}
.btn,.btn-outline{padding:10px 14px;border-radius:12px;margin-left:8px}
.btn{background:linear-gradient(180deg,#e2c36a,#c9a227);color:#0a0d18;font-weight:800}
.btn-outline{border:1px solid var(--border);}

.canvas{position:relative;min-height:calc(100vh - 70px);overflow:hidden;padding:20px}
.window{position:absolute;background:var(--card);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.window-header{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,#171d33,#151a2d)}
.window-header h3{margin:0;font-size:16px}
.drag-handle{cursor:grab;opacity:.6}
.window-body{padding:12px;overflow:auto}
.linkgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin:0;padding:0;list-style:none}
.tile{display:flex;flex-direction:column;align-items:center;gap:10px;background:#0e1429;border:1px solid #263055;border-radius:16px;padding:14px;transition:transform .15s ease,box-shadow .15s ease}
.tile img{width:48px;height:48px;object-fit:contain;filter:drop-shadow(0 2px 8px rgba(0,0,0,.4))}
.tile span{font-weight:600;color:#e8eaf6}
.tile:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.45)}

@media (max-width:680px){
  .grid2{grid-template-columns:1fr}
}