.welcome-message {
    margin: 24px 0 36px 0;
}

.welcome-card {
    background: white;
    padding: 44px;
    border-radius: 12px;
    box-shadow: 0 16px 40px rgba(26, 47, 94, 0.08);
    text-align: center;
    margin: 0 auto;
    max-width: 800px;
}

.welcome-card h3 {
    color: #2a87ed;
    margin-bottom: 20px;
    font-size: 28px;
    font-weight: 600;
    text-align: center;
}

.welcome-card p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.7;
    font-size: 16px;
    text-align: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.welcome-card ul {
    text-align: left;
    max-width: 500px;
    margin: 25px auto;
    color: #666;
    font-size: 15px;
    padding-left: 20px;
}

.welcome-card li {
    margin-bottom: 10px;
    line-height: 1.5;
}

.demo-data-tip {
    margin-top: 25px;
    margin-bottom: 28px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #2a87ed;
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
}

.demo-data-tip strong {
    color: #2a87ed;
    display: block;
    margin-bottom: 10px;
}

.demo-data-btn {
    display: inline-block;
    background: #2a87ed;
    color: white;
    border: none;
    padding: 11px 22px;
    border-radius: 999px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 10px 24px rgba(42, 135, 237, 0.22);
    transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.demo-data-btn:hover {
    background: #1a6fd0;
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(42, 135, 237, 0.28);
}

.demo-data-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.demo-data-note {
    display: block;
    margin-top: 8px;
    color: #666;
    font-size: 12px;
}

@media (max-width: 768px) {
    .welcome-card {
        padding: 24px;
    }

    .welcome-card ul {
        max-width: 100%;
    }

    .demo-data-btn {
        width: 100%;
        max-width: 320px;
    }
}