:root{
  --bg: #0b1020;
  --panel: rgba(255,255,255,0.06);
  --panel2: rgba(255,255,255,0.08);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.72);
  --muted2: rgba(255,255,255,0.56);
  --border: rgba(255,255,255,0.12);
  --accent: #7dd3fc;
  --danger: #fb7185;
  --ok: #34d399;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  background: radial-gradient(1200px 700px at 20% 0%, rgba(125,211,252,0.18), transparent 55%),
              radial-gradient(900px 600px at 90% 10%, rgba(251,113,133,0.12), transparent 55%),
              var(--bg);
  color: var(--text);
  font-family: var(--sans);
}

.wrap{ max-width: 1120px; margin: 0 auto; padding: 28px 18px 46px; }

.top{ display:flex; align-items:flex-start; justify-content:space-between; gap:16px; }

h1{ margin:0; font-weight: 760; letter-spacing: -0.02em; }
.tag{ margin: 6px 0 0; color: var(--muted); }

.lang{ display:flex; flex-direction:column; gap:6px; align-items:flex-end; }
.lang label{ color: var(--muted2); font-size: 12px; }

.panel{
  background: linear-gradient(180deg, var(--panel), rgba(255,255,255,0.04));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  box-shadow: var(--shadow);
}

.controls{ margin-top: 16px; }

.row{ display:flex; flex-wrap:wrap; align-items:flex-end; gap: 12px; }

.field{ display:flex; flex-direction:column; gap:6px; }
.field span{ color: var(--muted2); font-size: 12px; }

select, button{
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.25);
  color: var(--text);
  padding: 10px 10px;
  border-radius: 12px;
  font: inherit;
}
select{ min-width: 170px; }

.buttons{ display:flex; flex-wrap:wrap; gap:10px; margin-left:auto; }
button{ cursor:pointer; }
button.primary{ border-color: rgba(125,211,252,0.35); background: rgba(125,211,252,0.12); }
button.danger{ border-color: rgba(251,113,133,0.35); background: rgba(251,113,133,0.10); }
button:active{ transform: translateY(1px); }

.meta{ margin: 10px 0 0; color: var(--muted2); font-size: 13px; }
.help{ margin: 6px 0 0; color: var(--muted2); font-size: 13px; }

.errors{ margin-top: 10px; color: var(--danger); white-space: pre-wrap; font-family: var(--mono); font-size: 13px; }

.grid{ display:grid; grid-template-columns: 1fr; gap: 14px; margin-top: 14px; }
@media (min-width: 940px){
  .grid{ grid-template-columns: 1fr 1fr; }
}

.label{ display:block; margin-bottom: 10px; color: var(--muted2); font-size: 13px; }
textarea{
  width:100%;
  min-height: 360px;
  resize: vertical;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.25);
  color: var(--text);
  border-radius: 14px;
  padding: 12px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.45;
}

.foot{ margin-top: 18px; color: var(--muted2); font-size: 13px; }
.foot a{ color: var(--accent); text-decoration: none; }
.foot a:hover{ text-decoration: underline; }
.sep{ margin: 0 8px; }