* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f7fb;
    color: #1f2937;
}

.container {
    max-width: 860px;
    margin: 40px auto;
    padding: 24px;
    background: #ffffff;
    border: 1px solid #dbe2ea;
    border-radius: 10px;
}

.eyebrow {
    margin: 0 0 8px;
    color: #3b82f6;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

h1 {
    margin: 0 0 10px;
}

h2 {
    margin: 0 0 10px;
    font-size: 1.1rem;
}

.card {
    margin-top: 16px;
    padding: 14px;
    border: 1px solid #dbe2ea;
    border-radius: 8px;
    background: #fafcff;
}

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

.meta {
    margin-top: 10px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 0.95rem;
}

ul {
    margin: 0;
    padding-left: 18px;
}

li + li {
    margin-top: 6px;
}

button {
    margin-top: 18px;
    padding: 10px 14px;
    border: 1px solid #b8c2ce;
    border-radius: 6px;
    background: #eef2f7;
    cursor: pointer;
}

button:hover {
    background: #e4ebf4;
}

#message {
    margin-top: 14px;
    font-weight: 600;
}

pre {
    margin: 0;
    padding: 12px;
    border: 1px solid #dbe2ea;
    border-radius: 6px;
    background: #f7f9fc;
    overflow-x: auto;
    font-size: 0.85rem;
}

@media (max-width: 700px) {
    .grid {
        grid-template-columns: 1fr;
    }
}