:root{
  --bg:#0f1720;
  --card:#0b1220;
  --muted:#94a3b8;
  --accent-from:#2563eb;
  --accent-to:#7c3aed;
  --card-border: rgba(255,255,255,0.04);
  --glass: rgba(255,255,255,0.03);
}

*{box-sizing:border-box}
html,body{height:100%}
body.bg{
  background: linear-gradient(180deg,#071126 0%, #071026 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color:#e6eef8;
  margin:0;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

.container{max-width:1200px;margin:28px auto;padding:20px}
.header{text-align:center;margin-bottom:18px}
.title{
  font-size:36px;
  background: linear-gradient(90deg,var(--accent-from),var(--accent-to));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  font-weight:800;
}
.subtitle{color:var(--muted);margin-top:6px}

/* Layout */
.layout{display:grid;grid-template-columns:360px 1fr;gap:20px;align-items:start}
@media(max-width:900px){.layout{grid-template-columns:1fr}}

.card{
  background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border:1px solid var(--card-border);
  padding:14px;border-radius:12px;margin-bottom:14px;backdrop-filter: blur(6px);
}
.card-title{font-weight:700;margin:0 0 8px 0;color:#cfe0ff}

.upload-area{display:block;cursor:pointer;border:2px dashed rgba(255,255,255,0.04);border-radius:10px;padding:12px}
.upload-inner{display:flex;align-items:center;justify-content:center;min-height:120px;position:relative}
.icon-upload{width:56px;height:56px;color:#94a3b8}
.upload-text{color:var(--muted);margin-top:6px}
.sr-only{position:absolute;left:-9999px}
.preview-img{max-height:160px;object-fit:contain;border-radius:8px}
.hidden{display:none}

/* Prompts */
.prompts-list{display:flex;flex-direction:column;gap:8px}
.prompt-item{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,0.02);padding:8px;border-radius:8px}
.prompt-item .text{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 12px;border-radius:8px;background:transparent;border:1px solid rgba(255,255,255,0.04);color:inherit;cursor:pointer}
.btn.small{padding:6px 8px;font-weight:700}
.btn.primary{background:linear-gradient(90deg,var(--accent-from),var(--accent-to));color:white;border:none}
.prompt-add{display:flex;gap:8px;margin-top:10px}
.prompt-add input{flex:1;padding:8px;border-radius:8px;background:transparent;border:1px solid rgba(255,255,255,0.04);color:inherit}

/* Brand row */
.brand-row{display:flex;gap:8px;align-items:center}
.brand-input{padding:6px;border-radius:6px;background:transparent;border:1px solid rgba(255,255,255,0.04)}
.color-picker{width:36px;height:36px;border-radius:6px;border:0;padding:0;cursor:pointer}
.field{margin-bottom:8px}
.row-between{display:flex;align-items:center;justify-content:space-between}
.toggle{padding:6px 10px;border-radius:999px;border:1px solid rgba(255,255,255,0.04);background:transparent;cursor:pointer}

/* Actions */
.actions{margin-top:8px}
.small-actions{display:flex;gap:8px;margin-top:10px;flex-direction:column}

/* Output */
.output{min-height:520px;background:linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0.00));padding:14px;border-radius:12px;border:1px solid var(--card-border)}
.status.center{display:flex;flex-direction:column;align-items:center;justify-content:center;height:320px;color:var(--muted);text-align:center}
.sparkles{width:64px;height:64px;margin-bottom:6px;border-radius:10px;background:linear-gradient(90deg,#e6f0ff, #eaf0ff);opacity:0.06}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin-top:12px}
.grid-item{background:#05060a;border-radius:10px;padding:8px;position:relative;overflow:hidden;border:1px solid rgba(255,255,255,0.03)}
.grid-item img{width:100%;height:auto;border-radius:6px;display:block}
.grid-item .caption{position:absolute;left:8px;right:8px;bottom:8px;background:linear-gradient(180deg, rgba(0,0,0,0.6), rgba(0,0,0,0));padding:8px;border-radius:6px;color:white;font-size:12px}
.grid-item .tools{position:absolute;top:8px;right:8px;opacity:0;transition:opacity .18s}
.grid-item:hover .tools{opacity:1}
.tools .mini{padding:6px;border-radius:999px;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.03);cursor:pointer}

/* spinner */
.spinner{width:36px;height:36px;border-radius:50%;border:4px solid rgba(255,255,255,0.06);border-top-color:transparent;animation:spin 1s linear infinite;margin:auto}
@keyframes spin{to{transform:rotate(360deg)}}

/* error/footer */
.error{background:rgba(220,50,50,0.08);color:#ffd3d3;padding:10px;border-radius:8px;border:1px solid rgba(255,0,0,0.08)}
.footer{text-align:center;color:var(--muted);margin-top:18px;font-size:13px}
.center{display:flex;align-items:center;justify-content:center;flex-direction:column}