:root {
  --bg: #0b0f17;
  --card: #121a28;
  --text: #e8eefc;
  --muted: #97a6c5;
  --border: #22304a;
  --primary: #4f7cff;
  --danger: #ff5a7a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans",
    sans-serif;
  background: radial-gradient(1200px 800px at 10% 10%, #1a2b55 0%, transparent 60%),
    radial-gradient(1200px 800px at 90% 30%, #2a1a55 0%, transparent 55%), var(--bg);
  color: var(--text);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

.header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px;
}

h1 {
  margin: 0 0 6px 0;
  font-size: 22px;
}

h2 {
  margin: 0 0 12px 0;
  font-size: 16px;
}

.muted {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.header-right {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.card {
  background: color-mix(in srgb, var(--card) 85%, black 15%);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 14px;
  box-shadow: 0 12px 50px rgba(0, 0, 0, 0.3);
}

.row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

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

@media (max-width: 920px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 220px;
}

.grow {
  flex: 1 1 320px;
}

.label {
  font-size: 12px;
  color: var(--muted);
}

.input {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  outline: none;
}

.input:focus {
  border-color: color-mix(in srgb, var(--primary) 60%, var(--border));
  box-shadow: 0 0 0 3px rgba(79, 124, 255, 0.15);
}

.btn {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  cursor: pointer;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.09);
}

.btn.primary {
  border-color: color-mix(in srgb, var(--primary) 50%, var(--border));
  background: rgba(79, 124, 255, 0.18);
}

.btn.primary:hover {
  background: rgba(79, 124, 255, 0.25);
}

.out {
  margin: 0;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  min-height: 44px;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
}

.out.warn {
  border-color: rgba(255, 90, 122, 0.45);
}

.check {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}