:root {
  color-scheme: light dark;
  --bg: #0f172a;
  --panel: #111827;
  --panel-2: #1f2937;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #dc2626;
  --success: #16a34a;
  --border: #374151;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, var(--bg), #020617);
  color: var(--text);
}

main {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 480px;
  background: rgba(17, 24, 39, 0.95);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

h1 {
  margin: 0 0 8px;
  font-size: 1.8rem;
}

p {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.5;
}

label {
  display: block;
  font-size: 0.95rem;
  margin: 14px 0 6px;
}

input {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 1rem;
}

button {
  width: 100%;
  margin-top: 18px;
  border: 0;
  border-radius: 10px;
  padding: 12px 14px;
  background: var(--accent);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  background: var(--accent-hover);
}

button.secondary {
  background: transparent;
  border: 1px solid var(--border);
}

button.secondary:hover {
  background: rgba(255,255,255,0.04);
}

.status {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  white-space: pre-wrap;
}

.status.error {
  border-color: rgba(220, 38, 38, 0.45);
  color: #fecaca;
}

.status.success {
  border-color: rgba(22, 163, 74, 0.45);
  color: #bbf7d0;
}

.actions {
  display: grid;
  gap: 12px;
}

.small {
  font-size: 0.9rem;
}

.hidden {
  display: none;
}

.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9rem;
  color: var(--text);
}