:root {
  color-scheme: light dark;
  --bg: #0f172a;
  --card: #111827;
  --soft: #1f2937;
  --text: #e5e7eb;
  --accent: #22c55e;
  --danger: #ef4444;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
  background: linear-gradient(180deg, #020617, #111827);
  color: var(--text);
}
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}
.hero h1 { margin-bottom: 10px; font-size: 2.1rem; }
.hero p { color: #cbd5e1; max-width: 750px; }
.card {
  background: rgba(17, 24, 39, 0.9);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 22px;
  margin-top: 24px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}
.upload-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
input[type="file"] {
  background: var(--soft);
  color: var(--text);
  border: 1px dashed rgba(255,255,255,0.18);
  border-radius: 12px;
  padding: 14px;
}
button, .downloads a {
  display: inline-block;
  background: var(--accent);
  color: #052e16;
  text-decoration: none;
  border: 0;
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
}
.downloads {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 18px 0 10px;
}
.meta {
  padding-left: 18px;
  color: #d1d5db;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 18px;
  margin-top: 18px;
}
pre {
  white-space: pre-wrap;
  word-break: break-word;
  background: #020617;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  line-height: 1.5;
}
.hint { color: #cbd5e1; margin: 0; }
.status-box {
  margin-top: 16px;
  padding: 14px;
  border-radius: 12px;
  background: #020617;
  border: 1px solid rgba(255,255,255,0.08);
}
.error-text { color: #fca5a5; }
button:disabled { opacity: 0.7; cursor: progress; }