:root{
  --bg:#0b0c10;
  --panel:#12141b;
  --text:#e9e9ee;
  --muted:#a6a8b3;
  --border:#2a2f3a;
  --btn:#1f2532;
  --btn2:#171b25;
  --accent:#7aa2ff;
}

*{ box-sizing:border-box; }

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background:var(--bg);
  color:var(--text);
}

.wrap{
  max-width: 980px;
  margin: 28px auto;
  padding: 0 16px 36px;
}

.head h1{ margin:0 0 6px; font-size: 26px; letter-spacing: .2px; }
.tag{ margin:0; color: var(--muted); }

.panel{
  margin-top: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
}

.opts{
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
  padding: 6px 2px 12px;
}

.opt{
  display:flex;
  gap: 10px;
  align-items:center;
  color: var(--text);
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 10px;
}

.opt-label{
  color: var(--muted);
  font-size: 13px;
}

.sel{
  background: #0e1118;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
}

.grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 860px){
  .grid{ grid-template-columns: 1fr; }
}

.label{ font-size: 13px; color: var(--muted); margin: 6px 0; }

.ta{
  width:100%;
  min-height: 260px;
  resize: vertical;
  padding: 10px;
  color: var(--text);
  background: #0e1118;
  border: 1px solid var(--border);
  border-radius: 10px;
  line-height: 1.45;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.hint{ margin-top: 8px; color: var(--muted); font-size: 12.5px; }
.help{ margin-top: 10px; color: var(--muted); font-size: 13px; }

.actions{
  display:flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.btn{
  background: var(--btn);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
}

.btn:disabled{
  opacity: .5;
  cursor: not-allowed;
}

.btn:hover{ border-color: #3a4353; }

.btn-ghost{ background: var(--btn2); }

.errors{
  margin-top: 10px;
  color: #ffb4b4;
  min-height: 18px;
}