:root {
    --bg: #0b0f14;
    --card: #121823;
    --text: #e6edf3;
    --muted: #9fb0c3;
    --accent: #63b3ed;
}

* {
    box-sizing: border-box
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, sans-serif;
    margin: 0;
    padding: 2rem
}

header {
    display: flex;
    align-items: center;
    gap: 1rem
}

.spacer {
    flex: 1
}

.card {
    background: var(--card);
    border-radius: 16px;
    padding: 1rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .25);
    margin-bottom: 1rem
}

label {
    display: block;
    margin: .5rem 0 .25rem;
    color: var(--muted)
}

input,
select,
button {
    width: 100%;
    padding: .6rem .8rem;
    border-radius: 12px;
    border: 1px solid #243041;
    background: #0d141f;
    color: var(--text)
}

button {
    background: var(--accent);
    color: #0b0f14;
    border: none;
    cursor: pointer;
    font-weight: 600;
    margin-top: .8rem
}

button.secondary {
    background: #2b3b52;
    color: var(--text)
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem
}

ul {
    list-style: none;
    padding: 0;
    margin: 0
}

li {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .4rem 0
}

pre {
    background: #0d141f;
    padding: 1rem;
    border-radius: 12px;
    min-height: 120px;
    overflow: auto
}

@media (max-width: 900px) {
    .grid {
        grid-template-columns: 1fr
    }
}