:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: #141b34;
  --muted: #9ca8d1;
  --text: #eef2ff;
  --accent: #7c9cff;
  --accent-2: #5be7c4;
  --danger: #ff7171;
  --line: rgba(124, 156, 255, 0.18);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Tahoma, sans-serif;
  background: linear-gradient(180deg, #0a0f1d, #111936 60%, #0e1427);
  color: var(--text);
}
.wrapper {
  max-width: 1320px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.card {
  background: rgba(20, 27, 52, 0.95);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 18px;
  box-shadow: 0 10px 30px rgba(0,0,0,.22);
  margin-bottom: 18px;
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.section-head h2,
.section-head h3,
.section-head h4 { margin: 0; }
.muted { color: var(--muted); font-size: 14px; }
.badge {
  background: rgba(124, 156, 255, 0.18);
  color: #d8e1ff;
  border: 1px solid rgba(124, 156, 255, 0.25);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
}
label { display: block; margin: 14px 0 8px; color: var(--muted); }
.label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
input[type=file], textarea, select {
  width: 100%;
  background: #0d1326;
  border: 1px solid #2b3a69;
  color: var(--text);
  padding: 12px;
  border-radius: 14px;
}
textarea { resize: vertical; min-height: 310px; line-height: 1.7; }
.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
button {
  width: 100%;
  border: 0;
  padding: 14px 16px;
  border-radius: 14px;
  margin-top: 16px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #091225;
}
.mini-btn {
  width: auto;
  margin: 0;
  padding: 8px 12px;
  font-size: 13px;
  border-radius: 10px;
}
button:disabled { opacity: .55; cursor: not-allowed; }
.status-box {
  min-height: 76px;
  padding: 16px;
  border-radius: 14px;
  background: #0d1326;
  border: 1px solid #243258;
  margin-bottom: 14px;
  font-size: 18px;
}
.status-box.done { border-color: #2dcf85; }
.status-box.failed { border-color: var(--danger); }
.progress-wrap {
  width: 100%;
  height: 14px;
  background: #0d1326;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid #243258;
}
.progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width .35s ease;
}
.meta-box, .download-box { margin-top: 14px; color: var(--muted); line-height: 1.9; }
.download-box a {
  display: inline-block;
  color: #071226;
  background: linear-gradient(135deg, #d0e2ff, #8ff0d3);
  padding: 10px 16px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
}
.file-size { margin-top: 10px; }
pre {
  white-space: pre-wrap;
  word-wrap: break-word;
  background: #0d1326;
  border: 1px solid #243258;
  border-radius: 14px;
  padding: 14px;
  color: #c7d2fe;
  overflow: auto;
}
.guide-grid, .examples-grid, .preset-grid {
  display: grid;
  gap: 14px;
}
.guide-grid { grid-template-columns: 1fr 1fr; }
.examples-grid { grid-template-columns: repeat(3, 1fr); }
.preset-grid { grid-template-columns: repeat(5, 1fr); }
.guide-list {
  margin: 0;
  padding-right: 18px;
  color: var(--muted);
  line-height: 2;
}
.guide-list code { color: #dbe3ff; }
.preset-item, .example-item {
  background: #0d1326;
  border: 1px solid #243258;
  border-radius: 16px;
}
.preset-item {
  text-align: right;
  padding: 14px;
  color: var(--text);
}
.preset-item strong {
  display: block;
  margin-bottom: 8px;
}
.preset-item span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}
.example-item { padding: 14px; }
.example-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.example-head h4 { margin: 0; }
.example-item pre { margin: 0; min-height: 158px; }
@media (max-width: 1100px) {
  .preset-grid { grid-template-columns: repeat(3, 1fr); }
  .examples-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .grid, .guide-grid, .preset-grid, .examples-grid { grid-template-columns: 1fr; }
}