:root {
  --bg: #0b1220;
  --card: #121b2e;
  --muted: #8fa3c7;
  --text: #e6eefc;
  --border: #233252;
  --shadow: rgba(0,0,0,0.35);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 20% 0%, #142044 0%, var(--bg) 55%);
  color: var(--text);
}
header {
  padding: 26px 18px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(11,18,32,0.75);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}
h1 { margin: 0; font-size: 18px; letter-spacing: 0.4px; }
p.sub { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
main {
  max-width: 1100px;
  margin: 18px auto 40px;
  padding: 0 18px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.card {
  background: linear-gradient(180deg, rgba(18,27,46,0.92), rgba(18,27,46,0.78));
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 12px 24px var(--shadow);
  padding: 16px;
}
.card h2 { margin: 0 0 6px; font-size: 16px; }
.card .desc { margin: 0 0 14px; color: var(--muted); font-size: 13px; line-height: 1.35; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 900px) { .grid { grid-template-columns: 1fr; } }
.field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.field input[type="file"], .field input[type="text"], .field input[type="number"]{
  width: 100%;
  padding: 10px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(9,14,24,0.55);
  color: var(--text);
  outline: none;
}
.field input[type="checkbox"]{ transform: translateY(1px); }
.actions { display: flex; gap: 10px; align-items: center; margin-top: 10px; flex-wrap: wrap; }
button {
  border: 1px solid rgba(58,166,255,0.6);
  background: linear-gradient(180deg, rgba(58,166,255,0.35), rgba(58,166,255,0.15));
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
}
button:disabled { opacity: 0.5; cursor: not-allowed; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  background: rgba(9,14,24,0.45);
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
}
.log {
  margin-top: 10px;
  padding: 10px;
  background: rgba(9,14,24,0.55);
  border: 1px dashed rgba(35,50,82,0.85);
  border-radius: 12px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  white-space: pre-wrap;
}
.small { font-size: 12px; color: var(--muted); }
.kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  border: 1px solid var(--border);
  background: rgba(9,14,24,0.55);
  padding: 2px 6px;
  border-radius: 7px;
  color: var(--text);
}