/* Ensure NO border-radius anywhere */
* {
    border-radius: 0 !important;
}

/* Verify no border-radius on specific elements */
.btn,
.btn-primary,
.btn-small,
button,
input,
textarea,
.auth-container,
.chat-sidebar,
.message-content,
.alert,
.subscription-status,
.conversation-item,
.pricing-info,
#card-container,
.form-group,
.auth-form,
.chat-form,
.ai-assistant-button {
    border-radius: 0 !important;
}

/* Square payment card container */
iframe {
    border-radius: 0 !important;
}

/* Any dynamically added elements */
div[class*="square"],
div[id*="card"] {
    border-radius: 0 !important;
}