:root {
  color-scheme: light dark;
  --bg: #0f1115;
  --text: #e6e6e6;
  --card: #1a1f2b;
  --accent: #7c9cff;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, 'Noto Sans', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
  background: var(--bg);
  color: var(--text);
}

#app {
  padding: 16px;
}

h1 {
  margin: 0 0 8px 0;
  font-size: 20px;
}

.card {
  background: var(--card);
  border-radius: 12px;
  padding: 12px;
  margin: 12px 0 16px;
  display: grid;
  gap: 8px;
}

label {
  display: grid;
  gap: 4px;
  font-size: 14px;
}

input {
  background: transparent;
  border: 1px solid #2b3346;
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  outline: none;
}

button {
  display: inline-block;
  width: 100%;
  background: var(--accent);
  color: #0a0a0a;
  border: none;
  border-radius: 10px;
  padding: 12px 14px;
  font-weight: 600;
  cursor: pointer;
}

button:active { opacity: .9; }