* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: #0f1115;
  color: #eef1f5;
}

.wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 28px 18px 60px;
}

header h1 {
  margin: 0 0 6px;
  font-size: 2rem;
  letter-spacing: 0.2px;
}
header p { margin: 0 0 18px; color: #b9c0cc; }

.card {
  background: #171a21;
  border: 1px solid #232838;
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}

.grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr 1fr;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
  color: #cfd6e3;
}
label.full { grid-column: 1 / -1; }

input, select {
  width: 100%;
  padding: 10px 11px;
  border-radius: 10px;
  border: 1px solid #2a3042;
  background: #0f1218;
  color: #eef1f5;
  outline: none;
}
input:focus, select:focus { border-color: #4c7dff; }

button {
  margin-top: 14px;
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: none;
  background: #4c7dff;
  color: white;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
}
button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.output { margin-top: 16px; }

.status {
  min-height: 22px;
  font-size: 0.95rem;
  margin-bottom: 8px;
}
.status.loading { color: #9fb4ff; }
.status.ok { color: #7ee787; }
.status.warn { color: #f5d76e; }
.status.error { color: #ff8b8b; }

pre {
  white-space: pre-wrap;
  background: #0c0e13;
  border: 1px solid #22273a;
  border-radius: 12px;
  padding: 14px;
  min-height: 180px;
  font-size: 0.98rem;
  line-height: 1.35;
}

footer {
  margin-top: 16px;
  color: #97a0af;
}