:root {
    --bg-soft: #f5f7fb;
    --card-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

body {
    background: linear-gradient(180deg, #f8fbff 0%, #eef3fb 100%);
    min-height: 100vh;
}

.card {
    border: 0;
    box-shadow: var(--card-shadow);
    border-radius: 14px;
}

.stat-card {
    min-height: 120px;
}

.table-responsive {
    border-radius: 12px;
}

.progress {
    height: 12px;
    border-radius: 999px;
    background-color: #e9edf5;
}

.upload-drop {
    border: 2px dashed #93aad1;
    border-radius: 12px;
    padding: 1rem;
    background-color: #f9fbff;
}

@media (max-width: 768px) {
    .stat-card {
        min-height: auto;
    }
}