Demonstrates basic form fields and validation Async
<!-- Material Design 3 Self-Contained Form -->
<style>
/* Material Design 3 Self-Contained Styles - Using !important to override any conflicting styles */
.md-form-container {
font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
max-width: 100% !important;
margin: 0 !important;
padding: 20px !important;
line-height: 1.5 !important;
color: #1c1b1f !important;
background: #fef7ff !important;
border: none !important;
box-sizing: border-box !important;
position: relative !important;
}
.md-form {
width: 100% !important;
background: #ffffff !important;
border-radius: 28px !important;
padding: 32px !important;
box-shadow: 0 1px 2px rgba(0,0,0,0.3), 0 2px 6px 2px rgba(0,0,0,0.15) !important;
border: none !important;
margin: 0 !important;
box-sizing: border-box !important;
font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
}
/* Reset any Bootstrap interference */
.md-form * {
box-sizing: border-box !important;
}
/* Material Design Form Fields */
.md-field {
margin-bottom: 32px !important;
position: relative !important;
width: 100% !important;
font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
}
/* Model list container styling to blend with Material Design */
.md-model-list-container {
background: transparent !important;
border: none !important;
padding: 0 !important;
margin: 0 !important;
font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
}
/* Override Bootstrap styles for model list items within Material Design */
.md-model-list-container .card {
border: 1px solid #79747e !important;
border-radius: 12px !important;
box-shadow: none !important;
margin-bottom: 16px !important;
background: #ffffff !important;
}
.md-model-list-container .card-header {
background: #f7f2fa !important;
border-bottom: 1px solid #e7e0ec !important;
border-radius: 12px 12px 0 0 !important;
color: #1c1b1f !important;
font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
font-weight: 500 !important;
}
.md-model-list-container .btn {
border-radius: 20px !important;
font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
font-weight: 500 !important;
text-transform: none !important;
}
.md-model-list-container .btn-primary {
background: #6750a4 !important;
border-color: #6750a4 !important;
}
.md-model-list-container .btn-danger {
background: #ba1a1a !important;
border-color: #ba1a1a !important;
}
.md-model-list-wrapper {
background: transparent !important;
margin-bottom: 32px !important;
}
.md-model-list-container {
border: 1px solid #e7e0ec !important;
border-radius: 24px !important;
padding: 16px 20px !important;
background: #fff !important;
box-shadow: 0 1px 3px rgba(0,0,0,0.08) !important;
}
.md-model-list-items {
display: flex !important;
flex-direction: column !important;
gap: 16px !important;
}
.md-model-card {
border: 1px solid #e7e0ec !important;
border-radius: 20px !important;
background: #ffffff !important;
padding: 16px 20px !important;
box-shadow: 0 1px 3px rgba(0,0,0,0.08) !important;
}
.md-model-card__header {
display: flex !important;
justify-content: space-between !important;
align-items: center !important;
margin-bottom: 12px !important;
}
.md-model-card__body {
padding: 0 !important;
}
.md-model-list-actions {
margin-top: 12px !important;
display: flex !important;
justify-content: flex-end !important;
}
.md-button-tonal {
background: #e8def8 !important;
color: #1c1b1f !important;
}
.md-button-tonal:hover {
background: #cdc2db !important;
}
.md-button__icon {
margin-right: 8px !important;
width: 20px !important;
height: 20px !important;
display: inline-flex !important;
align-items: center !important;
justify-content: center !important;
flex: 0 0 20px !important;
fill: currentColor !important;
}
.md-button__label {
font-weight: 500 !important;
}
/* Layout card styling */
.md-layout-card {
background: #ffffff !important;
border-radius: 24px !important;
padding: 24px 28px !important;
margin-bottom: 32px !important;
box-shadow: 0 1px 3px rgba(0,0,0,0.2), 0 4px 8px rgba(0,0,0,0.1) !important;
border: 1px solid #e7e0ec !important;
}
.md-layout-card__header {
margin-bottom: 12px !important;
}
.md-layout-card__title {
font-size: 18px !important;
font-weight: 600 !important;
color: #1c1b1f !important;
}
.md-layout-card__help {
color: #49454f !important;
font-size: 14px !important;
margin-bottom: 12px !important;
}
.md-layout-card__content {
display: flex !important;
flex-direction: column !important;
gap: 16px !important;
}
.md-field-label {
display: block !important;
color: #49454f !important;
font-size: 14px !important;
font-weight: 500 !important;
margin-bottom: 8px !important;
position: relative !important;
font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
line-height: 1.4 !important;
}
.md-field-label.required::after {
content: ' *' !important;
color: #ba1a1a !important;
}
/* Material Design Outlined Text Fields */
.md-text-field {
position: relative;
width: 100%;
}
/* Field container */
.md-field {
margin: 16px 0;
}
/* Field with icon layout */
.md-field-with-icon {
display: flex !important;
align-items: flex-start !important;
gap: 12px !important;
font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
}
/* Input wrapper for proper label positioning */
.md-input-wrapper {
position: relative !important;
flex: 1 !important;
width: 100% !important;
}
.md-input {
width: 100% !important;
padding: 16px !important;
border: 1px solid #79747e !important;
border-radius: 4px !important;
background: transparent !important;
color: #1c1b1f !important;
font-size: 16px !important;
font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
outline: none !important;
transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1) !important;
box-sizing: border-box !important;
line-height: 1.5 !important;
margin: 0 !important;
}
.md-input:focus {
border-color: #6750a4 !important;
border-width: 2px !important;
padding: 15px !important; /* Adjust for thicker border */
box-shadow: none !important;
}
/* Icon styling - positioned outside to the left of input */
.md-icon {
display: flex !important;
align-items: center !important;
justify-content: center !important;
width: 24px !important;
height: 24px !important;
margin-top: 16px !important; /* Align with input padding */
color: #49454f !important;
flex-shrink: 0 !important;
transition: color 0.15s cubic-bezier(0.4, 0, 0.2, 1) !important;
fill: currentColor !important;
}
.md-field-with-icon:focus-within .md-icon {
color: #6750a4 !important;
}
.md-input:focus + .md-floating-label,
.md-input:not(:placeholder-shown) + .md-floating-label,
.md-textarea:focus + .md-floating-label,
.md-textarea:not(:placeholder-shown) + .md-floating-label,
.md-select:focus + .md-floating-label {
transform: translateY(-28px) scale(0.75) !important;
color: #6750a4 !important;
background: #ffffff !important;
padding: 0 4px !important;
}
.md-floating-label {
position: absolute !important;
left: 16px !important;
top: 16px !important;
color: #49454f !important;
font-size: 16px !important;
transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1) !important;
pointer-events: none !important;
background: transparent !important;
z-index: 1 !important;
transform-origin: left top !important;
font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
font-weight: 400 !important;
line-height: 1.4 !important;
}
.md-input:focus + .md-floating-label,
.md-input:not(:placeholder-shown) + .md-floating-label {
transform: translateY(-28px) scale(0.75) !important;
color: #6750a4;
background: #ffffff;
padding: 0 4px;
}
.md-input.error {
border-color: #ba1a1a;
}
.md-input.error:focus {
border-color: #ba1a1a;
}
.md-input.error + .md-floating-label {
color: #ba1a1a;
}
/* Material Design Select */
.md-select {
width: 100%;
padding: 16px;
border: 1px solid #79747e;
border-radius: 4px;
background: transparent;
color: #1c1b1f;
font-size: 16px;
font-family: inherit;
outline: none;
cursor: pointer;
transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
box-sizing: border-box;
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2349454f' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
background-position: right 12px center;
background-repeat: no-repeat;
background-size: 16px;
padding-right: 40px;
}
.md-select:focus {
border-color: #6750a4;
border-width: 2px;
padding: 15px 39px 15px 15px; /* Adjust for thicker border */
}
.md-select:focus + .md-floating-label {
transform: translateY(-28px) scale(0.75);
color: #6750a4;
background: #ffffff;
padding: 0 4px;
}
/* Material Design Textarea */
.md-textarea {
width: 100%;
min-height: 120px;
padding: 16px;
border: 1px solid #79747e;
border-radius: 4px;
background: transparent;
color: #1c1b1f;
font-size: 16px;
font-family: inherit;
outline: none;
resize: vertical;
transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
box-sizing: border-box;
}
.md-textarea:focus {
border-color: #6750a4;
border-width: 2px;
padding: 15px; /* Adjust for thicker border */
}
.md-textarea:focus + .md-floating-label,
.md-textarea:not(:placeholder-shown) + .md-floating-label {
transform: translateY(-28px) scale(0.75);
color: #6750a4;
background: #ffffff;
padding: 0 4px;
}
/* Material Design Checkboxes */
.md-checkbox-container {
display: flex;
align-items: flex-start;
gap: 16px;
margin: 16px 0;
cursor: pointer;
}
.md-checkbox {
width: 18px;
height: 18px;
border: 2px solid #79747e;
border-radius: 2px;
background: transparent;
cursor: pointer;
position: relative;
transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
margin-top: 2px; /* Align with text baseline */
flex-shrink: 0;
}
.md-checkbox:checked {
background: #6750a4;
border-color: #6750a4;
}
.md-checkbox:checked::after {
content: '';
position: absolute;
top: 1px;
left: 4px;
width: 6px;
height: 10px;
border: solid white;
border-width: 0 2px 2px 0;
transform: rotate(45deg);
}
.md-checkbox-label {
color: #1c1b1f;
font-size: 16px;
cursor: pointer;
line-height: 1.5;
}
/* Material Design Buttons */
.md-button {
display: inline-flex;
align-items: center;
justify-content: center;
padding: 10px 24px;
border: none;
border-radius: 20px;
font-size: 14px;
font-weight: 500;
font-family: inherit;
cursor: pointer;
transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
text-decoration: none;
box-sizing: border-box;
min-width: 64px;
height: 40px;
position: relative;
overflow: hidden;
}
.md-button-filled {
background: #6750a4;
color: #ffffff;
box-shadow: 0 1px 2px rgba(0,0,0,0.3), 0 1px 3px 1px rgba(0,0,0,0.15);
}
.md-button-filled:hover {
background: #5a43a0;
box-shadow: 0 1px 2px rgba(0,0,0,0.3), 0 2px 6px 2px rgba(0,0,0,0.15);
transform: translateY(-1px);
}
.md-button-filled:active {
transform: translateY(0);
box-shadow: 0 1px 2px rgba(0,0,0,0.3), 0 1px 3px 1px rgba(0,0,0,0.15);
}
/* Help Text */
.md-help-text {
font-size: 12px;
color: #49454f;
margin-top: 4px;
line-height: 1.33;
padding-left: 16px;
}
/* Error Text */
.md-error-text {
font-size: 12px;
color: #ba1a1a;
margin-top: 4px;
line-height: 1.33;
font-weight: 400;
padding-left: 16px;
}
/* Number and Date Inputs */
.md-input[type="number"],
.md-input[type="date"],
.md-input[type="email"],
.md-input[type="password"],
.md-input[type="tel"],
.md-input[type="url"] {
/* Inherit all md-input styles */
}
.md-input[type="color"] {
height: 56px;
padding: 8px;
cursor: pointer;
}
.md-input[type="range"] {
padding: 16px 8px;
}
/* Placeholder styling */
.md-input::placeholder {
color: transparent;
}
.md-input:focus::placeholder {
color: #49454f;
}
/* State layers for interactive elements */
.md-button-filled::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: currentColor;
opacity: 0;
transition: opacity 0.15s cubic-bezier(0.4, 0, 0.2, 1);
border-radius: inherit;
}
.md-button-filled:hover::before {
opacity: 0.08;
}
.md-button-filled:focus::before {
opacity: 0.12;
}
.md-button-filled:active::before {
opacity: 0.16;
}
/* Responsive Design */
@media (max-width: 768px) {
.md-form {
padding: 24px 16px;
border-radius: 28px;
}
.md-field {
margin-bottom: 24px;
}
}
/* Typography Scale */
.md-headline-small {
font-size: 24px;
font-weight: 400;
line-height: 32px;
color: #1c1b1f;
}
.md-body-large {
font-size: 16px;
font-weight: 400;
line-height: 24px;
color: #1c1b1f;
}
.md-body-medium {
font-size: 14px;
font-weight: 400;
line-height: 20px;
color: #49454f;
}
.md-label-large {
font-size: 14px;
font-weight: 500;
line-height: 20px;
color: #1c1b1f;
}
/* Surface colors and elevation */
.md-surface {
background: #fef7ff;
color: #1c1b1f;
}
.md-surface-container {
background: #f3f0ff;
color: #1c1b1f;
}
.md-surface-container-high {
background: #e7e0ec;
color: #1c1b1f;
}
</style>
<div class="md-form-container">
<form id=""
class="pydantic-form md-form col s12"
style=""
method="POST"
action="/login"
novalidate>
<div class="md-field">
<div class="md-field-with-icon">
<svg class="material-icons md-icon" viewBox="0 0 24 24" focusable="false" aria-hidden="true"><path d="M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z" /></svg>
<div class="md-input-wrapper">
<input type="text"
name="username"
id="username"
class="md-input"
value="demo_user"
placeholder=" " >
<label class="md-floating-label" for="username">Username *</label>
</div>
</div>
<div class="md-help-text">Your username or email address</div>
</div>
<div class="md-field">
<div class="md-field-with-icon">
<svg class="material-icons md-icon" viewBox="0 0 24 24" focusable="false" aria-hidden="true"><path d="M12 17a2 2 0 0 0 2-2v-2a2 2 0 0 0-4 0v2a2 2 0 0 0 2 2zm6-7h-1V8a5 5 0 0 0-10 0v2H6c-1.1 0-2 .9-2 2v8c0 1.1.9 2 2 2h12c1.1 0 2-.9 2-2v-8c0-1.1-.9-2-2-2zm-3 0H9V8a3 3 0 0 1 6 0v2z" /></svg>
<div class="md-input-wrapper">
<input type="password"
name="password"
id="password"
class="md-input"
value="demo_pass"
placeholder=" " >
<label class="md-floating-label" for="password">Password *</label>
</div>
</div>
<div class="md-help-text">Your account password</div>
</div>
<div class="md-field">
<div class="md-checkbox-container">
<input type="checkbox"
name="remember_me"
id="remember_me"
class="md-checkbox"
value="true"
checked="checked">
<label for="remember_me" class="md-checkbox-label">Remember me</label>
</div>
<div class="md-help-text">Keep me logged in on this device</div>
</div>
<div class="md-field">
<button type="submit" class="md-button md-button-filled">Submit</button>
</div>
</form>
</div>
<script>
document.addEventListener('DOMContentLoaded', function() {
// Material Design 3 form enhancements
// Floating label functionality for outlined text fields
function initializeFloatingLabels() {
const textFields = document.querySelectorAll('.md-input, .md-textarea, .md-select');
textFields.forEach(input => {
const label = input.nextElementSibling;
if (label && label.classList.contains('md-floating-label')) {
// Check initial state
function updateLabelState() {
const hasValue = input.value && input.value.trim() !== '';
const isFocused = document.activeElement === input;
if (hasValue || isFocused) {
label.style.transform = 'translateY(-28px) scale(0.75)';
label.style.color = isFocused ? '#6750a4' : '#49454f';
label.style.background = '#ffffff';
label.style.padding = '0 4px';
} else {
label.style.transform = 'translateY(0) scale(1)';
label.style.color = '#49454f';
label.style.background = 'transparent';
label.style.padding = '0';
}
}
// Set up event listeners
input.addEventListener('focus', updateLabelState);
input.addEventListener('blur', updateLabelState);
input.addEventListener('input', updateLabelState);
// Initial state check
updateLabelState();
}
});
}
// Enhanced focus and blur effects
const inputs = document.querySelectorAll('.md-input, .md-select, .md-textarea');
inputs.forEach(input => {
input.addEventListener('focus', function() {
this.style.transform = 'scale(1.01)';
this.style.transition = 'all 0.15s cubic-bezier(0.4, 0, 0.2, 1)';
});
input.addEventListener('blur', function() {
this.style.transform = 'scale(1)';
});
});
// Checkbox interactions with Material Design ripple effect
const checkboxes = document.querySelectorAll('.md-checkbox');
checkboxes.forEach(checkbox => {
checkbox.addEventListener('change', function() {
const container = this.closest('.md-checkbox-container');
if (this.checked) {
// Create ripple effect
const ripple = document.createElement('div');
ripple.style.position = 'absolute';
ripple.style.borderRadius = '50%';
ripple.style.background = 'rgba(103, 80, 164, 0.3)';
ripple.style.width = '40px';
ripple.style.height = '40px';
ripple.style.left = '-11px';
ripple.style.top = '-11px';
ripple.style.pointerEvents = 'none';
ripple.style.transform = 'scale(0)';
ripple.style.transition = 'transform 0.3s cubic-bezier(0.4, 0, 0.2, 1)';
this.style.position = 'relative';
this.appendChild(ripple);
// Animate ripple
setTimeout(() => {
ripple.style.transform = 'scale(1)';
setTimeout(() => {
ripple.style.opacity = '0';
setTimeout(() => {
if (ripple.parentNode) {
ripple.parentNode.removeChild(ripple);
}
}, 300);
}, 200);
}, 10);
}
});
});
// Enhanced form validation with Material Design styling
const form = document.querySelector('.md-form');
if (form) {
form.addEventListener('submit', function(e) {
const requiredInputs = this.querySelectorAll('input[required], select[required], textarea[required]');
let hasErrors = false;
requiredInputs.forEach(input => {
const value = input.type === 'checkbox' ? input.checked : input.value.trim();
const fieldContainer = input.closest('.md-field');
if (!value) {
input.classList.add('error');
// Add error styling to label
const label = input.nextElementSibling;
if (label && label.classList.contains('md-floating-label')) {
label.style.color = '#ba1a1a';
}
// Create or update error message
let errorDiv = fieldContainer.querySelector('.md-error-text');
if (!errorDiv) {
errorDiv = document.createElement('div');
errorDiv.className = 'md-error-text';
fieldContainer.appendChild(errorDiv);
}
errorDiv.textContent = 'This field is required';
hasErrors = true;
} else {
input.classList.remove('error');
// Remove error styling from label
const label = input.nextElementSibling;
if (label && label.classList.contains('md-floating-label')) {
label.style.color = input === document.activeElement ? '#6750a4' : '#49454f';
}
// Remove error message if it was dynamically added
const errorDiv = fieldContainer.querySelector('.md-error-text');
if (errorDiv && errorDiv.textContent === 'This field is required') {
errorDiv.remove();
}
}
});
if (hasErrors) {
e.preventDefault();
// Scroll to first error with smooth animation
const firstError = this.querySelector('.error');
if (firstError) {
firstError.scrollIntoView({
behavior: 'smooth',
block: 'center',
inline: 'nearest'
});
// Focus the field for better UX
setTimeout(() => {
firstError.focus();
}, 500);
}
}
});
// Real-time validation for better UX
const allInputs = form.querySelectorAll('input, select, textarea');
allInputs.forEach(input => {
input.addEventListener('blur', function() {
if (this.hasAttribute('required')) {
const value = this.type === 'checkbox' ? this.checked : this.value.trim();
const fieldContainer = this.closest('.md-field');
if (!value) {
this.classList.add('error');
const label = this.nextElementSibling;
if (label && label.classList.contains('md-floating-label')) {
label.style.color = '#ba1a1a';
}
} else {
this.classList.remove('error');
const label = this.nextElementSibling;
if (label && label.classList.contains('md-floating-label')) {
label.style.color = '#49454f';
}
}
}
});
});
}
# Initialize floating labels
initializeFloatingLabels();
# Reinitialize for dynamically added content
window.reinitializeMaterialForms = function() {
initializeFloatingLabels();
};
});
</script>
<script>
(function() {
document.addEventListener('DOMContentLoaded', function() {
// Prevent Enter key from submitting forms unless on submit button
const forms = document.querySelectorAll('form.md-form, form.pydantic-form');
forms.forEach(function(form) {
form.addEventListener('keydown', function(e) {
// Check if Enter key is pressed
if (e.key === 'Enter' || e.keyCode === 13) {
const target = e.target;
// Allow Enter in textareas (for multi-line input)
if (target.tagName === 'TEXTAREA') {
return;
}
// Allow Enter on submit buttons
if (target.tagName === 'BUTTON' && target.type === 'submit') {
return;
}
// Allow Enter on input type="submit"
if (target.tagName === 'INPUT' && target.type === 'submit') {
return;
}
// Prevent form submission for all other cases
e.preventDefault();
return false;
}
});
});
});
})();
</script>
class MinimalLoginForm(FormModel):
"""Minimal form example - Simple login form."""
username: str = FormField(
title="Username",
input_type="text",
placeholder="Enter your username",
help_text="Your username or email address",
icon="person",
min_length=3,
max_length=50
)
password: str = FormField(
title="Password",
input_type="password",
placeholder="Enter your password",
help_text="Your account password",
icon="lock",
min_length=6
)
remember_me: bool = FormField(
False,
title="Remember me",
input_type="checkbox",
help_text="Keep me logged in on this device",
icon="check2-square"
)
@field_validator("username")
@classmethod
def validate_username(cls, v):
if not v.strip():
raise ValueError("Username cannot be empty")
return v.strip()
{
"description": "Minimal form example - Simple login form.",
"properties": {
"username": {
"autofocus": false,
"description": "Your username or email address",
"disabled": false,
"help_text": "Your username or email address",
"icon": "person",
"input_type": "text",
"maxLength": 50,
"minLength": 3,
"placeholder": "Enter your username",
"readonly": false,
"title": "Username",
"type": "string"
},
"password": {
"autofocus": false,
"description": "Your account password",
"disabled": false,
"help_text": "Your account password",
"icon": "lock",
"input_type": "password",
"minLength": 6,
"placeholder": "Enter your password",
"readonly": false,
"title": "Password",
"type": "string"
},
"remember_me": {
"autofocus": false,
"default": false,
"description": "Keep me logged in on this device",
"disabled": false,
"help_text": "Keep me logged in on this device",
"icon": "check2-square",
"input_type": "checkbox",
"readonly": false,
"title": "Remember me",
"type": "boolean"
}
},
"required": [
"username",
"password"
],
"title": "MinimalLoginForm",
"type": "object"
}{
"username": {
"required": true,
"type": "string",
"minLength": 3,
"maxLength": 50
},
"password": {
"required": true,
"type": "string",
"minLength": 6
},
"remember_me": {
"required": false,
"type": "boolean"
}
}{
"errors": {},
"data": {
"username": "demo_user",
"password": "demo_pass",
"remember_me": true
}
}