* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --red: #b01834;
    --dark: #2f333b;
    --bg: #f3f5f8;
    --card: #ffffff;
    --text: #18212f;
    --muted: #64748b;
    --border: #e5e7eb;

    --green: #16a34a;
    --yellow: #d97706;
    --blue: #2563eb;

    --danger-bg: #fff1f2;
    --warn-bg: #fffbeb;
    --good-bg: #f0fdf4;
    --info-bg: #eff6ff;
}

body {
    font-family: Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.app {
    display: flex;
    min-height: 100vh;
}

.main {
    flex: 1;
    min-width: 0;
}

.content {
    padding: 28px;
}

@media (max-width: 760px) {
    .app {
        flex-direction: column;
    }

    .content {
        padding: 18px;
    }
}