:root {
  --bg: #0a0c10;
  --panel: #12161e;
  --border: #2a3344;
  --text: #e8e6e3;
  --muted: #8b93a7;
  --accent: #c9a227;
  --ok: #6dcea0;
  --danger: #e06c75;
  font-family: "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--bg); }

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.head h1 {
  margin: 0 0 0.5rem;
  font-size: 1.6rem;
}
.lede {
  color: var(--muted);
  line-height: 1.5;
  margin: 0 0 1.25rem;
}
.credits {
  color: var(--accent);
  font-size: 0.9rem;
  margin: 0 0 0.75rem;
}
.btn.secondary {
  margin-left: 0.5rem;
  margin-top: 0.5rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.1rem 1.15rem 1.25rem;
  margin-bottom: 1rem;
}

.steps h2 {
  margin: 0 0 0.6rem;
  font-size: 1rem;
}
.steps ol {
  margin: 0;
  padding-left: 1.2rem;
  line-height: 1.55;
  color: #d0d5e0;
}
.steps ul {
  margin: 0.35rem 0 0.5rem;
  padding-left: 1.1rem;
}
code {
  font-size: 0.88em;
  background: #0a0c10;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  border: 1px solid #2a3344;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
}
.field > span {
  font-size: 0.88rem;
  font-weight: 600;
  color: #c5cddc;
}
.field small {
  color: var(--muted);
  font-size: 0.78rem;
}
textarea, select, input[type="file"] {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0a0c10;
  color: var(--text);
  padding: 0.65rem 0.75rem;
  font: inherit;
}
textarea {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.8rem;
  resize: vertical;
  min-height: 140px;
}
.or {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0.25rem 0 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--border);
  padding: 0.7rem 1rem;
  font-weight: 650;
  font-size: 0.95rem;
  cursor: pointer;
  width: 100%;
}
.btn.primary {
  background: linear-gradient(180deg, #3a3018, #2a2414);
  border-color: #c9a227;
  color: #fff;
}
.btn.primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn.secondary {
  margin-top: 0.6rem;
  background: #1a2030;
  color: #e8e6e3;
}
.btn:hover:not(:disabled) {
  filter: brightness(1.08);
}

.status {
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
  line-height: 1.4;
}
.status.error { color: var(--danger); }
.status.info { color: var(--muted); }

.result {
  margin-top: 1rem;
  padding: 0.85rem;
  border-radius: 8px;
  border: 1px solid #2d4a3a;
  background: #0f1a14;
}
.ok-label {
  margin: 0 0 0.4rem;
  color: var(--ok);
  font-weight: 700;
}
#listing-link {
  display: block;
  word-break: break-all;
  color: #7eb6ff;
  margin-bottom: 0.25rem;
}

.foot {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 1.5rem;
}
.foot a { color: #7eb6ff; }

@media (max-width: 520px) {
  .wrap { padding: 1rem 0.75rem 2rem; }
  .head h1 { font-size: 1.35rem; }
}