:root {
    --sevenwa-bg: #f5f7fb;
    --sevenwa-card: #ffffff;
    --sevenwa-text: #18202f;
    --sevenwa-muted: #667085;
    --sevenwa-border: #e5e7eb;
    --sevenwa-primary: #7c3aed;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--sevenwa-bg);
    color: var(--sevenwa-text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
    color: var(--sevenwa-primary);
}

.sevenwa-shell {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: 32px 0;
}

.sevenwa-card {
    background: var(--sevenwa-card);
    border: 1px solid var(--sevenwa-border);
    border-radius: 18px;
    padding: 24px;
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.06);
}

.sevenwa-muted {
    color: var(--sevenwa-muted);
}