.app-btn {
    border: none;
    border-radius: 8px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s ease;
}

.app-btn-primary {
    background: #2563eb;
    color: white;
}

    .app-btn-primary:hover {
        background: #1d4ed8;
    }

.app-btn-secondary {
    background: #e5e7eb;
    color: #111827;
}

    .app-btn-secondary:hover {
        background: #d1d5db;
    }

.app-btn-success {
    background: #16a34a;
    color: white;
}

    .app-btn-success:hover {
        background: #15803d;
    }

.app-btn-danger {
    background: #dc2626;
    color: white;
}

    .app-btn-danger:hover {
        background: #b91c1c;
    }

.btn-link {
    border: none;
    background: transparent;
    cursor: pointer;
    color: #2563eb;
    margin-right: 10px;
    font-size: 14px;
}

    .btn-link:hover {
        text-decoration: underline;
    }

    .btn-link.danger {
        color: #dc2626;
    }