:root {
    --soft-bg: #f6f8fb;
}

body {
    background: var(--soft-bg);
}

.login-body {
    min-height: 100vh;
    background: radial-gradient(circle at top left, #e8f0ff, transparent 35%), var(--soft-bg);
}

.hero {
    background: linear-gradient(135deg, #ffffff, #eef4ff);
}

.app-badge {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #0d6efd;
    color: #fff;
    font-weight: 800;
    font-size: 1.2rem;
}

.answer-box {
    min-height: 220px;
    background: #fff;
    border: 1px solid #e9edf3;
    border-radius: 1rem;
    padding: 1.25rem;
    line-height: 1.65;
}

.answer-box h2,
.answer-box h3,
.answer-box h4 {
    margin-top: 1rem;
    margin-bottom: .75rem;
}

.answer-box ul {
    margin-bottom: 1rem;
}

.history-list {
    display: grid;
    gap: .75rem;
}

.history-item {
    background: #fff;
    border: 1px solid #e9edf3;
    border-radius: 1rem;
    padding: .9rem;
}

code {
    color: #334155;
}