sundog-calculator/iframe.html
2025-06-26 12:21:18 +02:00

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Dog Calorie Calculator - Canine Nutrition and Wellness</title>
<style>
/* Sundog Dog Food Calorie Calculator Styles */
body {
margin: 0;
padding: 0;
background: transparent;
overflow-x: hidden;
font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
line-height: 1.5;
color: #6f3f6d;
}
.dog-calculator-container {
max-width: 600px;
margin: 0 auto;
padding: 24px;
box-sizing: border-box;
opacity: 0;
transition: opacity 0.3s ease;
}
.dog-calculator-container.loaded {
opacity: 1;
}
.dog-calculator-container *,
.dog-calculator-container *::before,
.dog-calculator-container *::after {
box-sizing: border-box;
}
.dog-calculator-section {
background: #fdfcfe;
border: 1px solid #e8e3ed;
border-radius: 8px 8px 0 0;
padding: 24px;
margin-bottom: 0;
box-shadow: 0 3px 6px rgba(0, 0, 0, 0.08);
}
.dog-calculator-section-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 24px;
flex-wrap: wrap;
gap: 16px;
}
.dog-calculator-section h2 {
margin: 0;
color: #6f3f6d;
font-size: 1.5rem;
font-weight: 600;
}
/* Unit Switch */
.dog-calculator-unit-switch {
display: flex;
align-items: center;
gap: 12px;
}
.dog-calculator-unit-label {
font-size: 0.9rem;
font-weight: 500;
color: #635870;
transition: color 0.2s ease;
}
.dog-calculator-unit-label.active {
color: #6f3f6d;
font-weight: 600;
}
.dog-calculator-switch {
position: relative;
display: inline-block;
width: 48px;
height: 24px;
}
.dog-calculator-switch input {
opacity: 0;
width: 0;
height: 0;
}
.dog-calculator-slider {
position: absolute;
cursor: pointer;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: #e8e3ed;
transition: 0.3s;
border-radius: 24px;
}
.dog-calculator-slider:before {
position: absolute;
content: "";
height: 18px;
width: 18px;
left: 3px;
bottom: 3px;
background-color: white;
transition: 0.3s;
border-radius: 50%;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}
.dog-calculator-switch input:checked + .dog-calculator-slider {
background-color: #f19a5f;
}
.dog-calculator-switch input:checked + .dog-calculator-slider:before {
transform: translateX(24px);
}
.dog-calculator-form-group {
margin-bottom: 20px;
}
.dog-calculator-form-group label {
display: block;
margin-bottom: 8px;
font-weight: 500;
color: #6f3f6d;
font-size: 1rem;
}
.dog-calculator-form-group select,
.dog-calculator-form-group input[type="number"],
.dog-calculator-form-group input[type="text"] {
width: 100%;
padding: 12px 16px;
border: 1px solid #e8e3ed;
border-radius: 6px;
font-size: 1rem;
font-family: inherit;
background-color: #ffffff;
color: #6f3f6d;
transition: all 0.2s ease;
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236f3f6d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
background-repeat: no-repeat;
background-position: right 12px center;
background-size: 20px;
padding-right: 40px;
}
.dog-calculator-form-group select option {
background-color: #ffffff;
color: #6f3f6d;
}
.dog-calculator-form-group input[type="number"],
.dog-calculator-form-group input[type="text"] {
background-image: none;
padding-right: 16px;
}
.dog-calculator-form-group select:focus,
.dog-calculator-form-group input[type="number"]:focus,
.dog-calculator-form-group input[type="text"]:focus {
outline: none;
border-color: #f19a5f;
background-color: #ffffff;
box-shadow: 0 0 0 3px rgba(241, 154, 95, 0.1);
}
.dog-calculator-form-group input[readonly] {
background-color: #f8f5fa;
cursor: not-allowed;
color: #635870;
}
.dog-calculator-results {
background: linear-gradient(135deg, rgba(241, 154, 95, 0.08) 0%, rgba(241, 154, 95, 0.04) 100%);
border: 1px solid rgba(241, 154, 95, 0.2);
border-radius: 6px;
padding: 20px;
margin-top: 24px;
}
.dog-calculator-result-item {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 12px;
}
.dog-calculator-result-item:last-child {
margin-bottom: 0;
}
.dog-calculator-result-label {
font-weight: 500;
color: #6f3f6d;
font-size: 0.95rem;
}
.dog-calculator-result-value {
font-weight: 600;
color: #6f3f6d;
font-size: 1.1rem;
padding: 4px 12px;
background: rgba(241, 154, 95, 0.15);
border-radius: 4px;
}
.dog-calculator-collapsible {
background: #ffffff;
border: 1px solid #e8e3ed;
border-top: none;
margin-bottom: 0;
overflow: hidden;
box-shadow: 0 3px 6px rgba(0, 0, 0, 0.08);
}
.dog-calculator-collapsible-header {
background: #f8f5fa;
padding: 20px 24px;
border-bottom: 1px solid #e8e3ed;
}
.dog-calculator-collapsible-header h3 {
margin: 0;
font-size: 1.25rem;
color: #6f3f6d;
font-weight: 600;
}
.dog-calculator-collapsible-content {
display: block;
}
.dog-calculator-collapsible-inner {
padding: 24px;
}
.dog-calculator-input-group {
display: flex;
gap: 16px;
align-items: flex-end;
}
.dog-calculator-input-group .dog-calculator-form-group {
flex: 1;
margin-bottom: 0;
}
.dog-calculator-unit-select {
min-width: 120px;
}
.dog-calculator-error {
color: #e87159;
font-size: 0.875rem;
margin-top: 6px;
font-weight: 500;
}
.dog-calculator-hidden {
display: none;
}
/* Action Buttons */
.dog-calculator-action-buttons {
display: flex;
justify-content: center;
gap: 16px;
padding: 20px;
background: #f8f5fa;
border-left: 1px solid #e8e3ed;
border-right: 1px solid #e8e3ed;
margin-top: -1px;
box-shadow: 0 3px 6px rgba(0, 0, 0, 0.08);
}
.dog-calculator-btn {
padding: 8px 16px;
border: 1px solid #e8e3ed;
border-radius: 6px;
font-size: 0.9rem;
font-weight: 500;
font-family: inherit;
cursor: pointer;
transition: all 0.2s ease;
display: inline-flex;
align-items: center;
gap: 6px;
background: white;
color: #6f3f6d;
}
.dog-calculator-btn:hover {
transform: translateY(-1px);
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.dog-calculator-btn-share:hover {
border-color: #9f5999;
color: #9f5999;
}
.dog-calculator-btn-embed:hover {
border-color: #7fa464;
color: #7fa464;
}
.dog-calculator-footer {
text-align: center;
padding: 20px;
background: #fdfcfe;
border: 1px solid #e8e3ed;
border-radius: 0 0 8px 8px;
border-top: none;
margin-top: -1px;
box-shadow: 0 3px 6px rgba(0, 0, 0, 0.08);
}
.dog-calculator-footer a {
color: #9f5999;
text-decoration: none;
font-size: 0.9rem;
font-weight: 500;
transition: color 0.2s ease;
}
.dog-calculator-footer a:hover {
color: #f19a5f;
text-decoration: underline;
}
/* Mobile Responsive Design */
@media (max-width: 576px) {
.dog-calculator-container {
padding: 16px;
}
.dog-calculator-section,
.dog-calculator-collapsible-inner {
padding: 20px;
}
.dog-calculator-section h2,
.dog-calculator-collapsible-header h3 {
font-size: 1.3rem;
}
.dog-calculator-section-header {
flex-direction: column;
align-items: stretch;
gap: 12px;
}
.dog-calculator-section h2 {
text-align: center;
}
.dog-calculator-unit-switch {
justify-content: center;
}
.dog-calculator-action-buttons {
flex-direction: column;
padding: 16px;
}
.dog-calculator-btn {
width: 100%;
justify-content: center;
}
.dog-calculator-input-group {
flex-direction: column;
gap: 20px;
}
.dog-calculator-input-group .dog-calculator-form-group {
margin-bottom: 20px;
}
.dog-calculator-result-item {
flex-direction: column;
align-items: flex-start;
gap: 8px;
}
.dog-calculator-result-value {
align-self: stretch;
text-align: center;
}
.dog-calculator-collapsible-header {
padding: 16px 20px;
}
}
/* Dark theme - manual override */
.dog-calculator-container.theme-dark {
color: #f5f3f7;
}
.dog-calculator-container.theme-dark .dog-calculator-section,
.dog-calculator-container.theme-dark .dog-calculator-collapsible {
background: #24202d;
border-color: #433c4f;
}
.dog-calculator-container.theme-dark .dog-calculator-collapsible-header {
background: #312b3b;
border-color: #433c4f;
}
.dog-calculator-container.theme-dark .dog-calculator-collapsible-header:hover {
background: #3a3446;
}
.dog-calculator-container.theme-dark .dog-calculator-section h2,
.dog-calculator-container.theme-dark .dog-calculator-collapsible-header h3,
.dog-calculator-container.theme-dark .dog-calculator-form-group label,
.dog-calculator-container.theme-dark .dog-calculator-result-label {
color: #f5f3f7;
}
.dog-calculator-container.theme-dark .dog-calculator-unit-label {
color: #b8b0c2;
}
.dog-calculator-container.theme-dark .dog-calculator-unit-label.active {
color: #f5f3f7;
}
.dog-calculator-container.theme-dark .dog-calculator-slider {
background-color: #433c4f;
}
.dog-calculator-container.theme-dark .dog-calculator-form-group select,
.dog-calculator-container.theme-dark .dog-calculator-form-group input[type="number"],
.dog-calculator-container.theme-dark .dog-calculator-form-group input[type="text"] {
background-color: #312b3b;
border-color: #433c4f;
color: #f5f3f7;
background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f5f3f7' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}
.dog-calculator-container.theme-dark .dog-calculator-form-group select option {
background-color: #312b3b;
color: #f5f3f7;
}
.dog-calculator-container.theme-dark .dog-calculator-form-group select:focus,
.dog-calculator-container.theme-dark .dog-calculator-form-group input[type="number"]:focus,
.dog-calculator-container.theme-dark .dog-calculator-form-group input[type="text"]:focus {
background-color: #312b3b;
border-color: #f19a5f;
}
.dog-calculator-container.theme-dark .dog-calculator-form-group input[readonly] {
background-color: #433c4f;
color: #b8b0c2;
}
.dog-calculator-container.theme-dark .dog-calculator-results {
background: linear-gradient(135deg, rgba(241, 154, 95, 0.15) 0%, rgba(241, 154, 95, 0.08) 100%);
border-color: rgba(241, 154, 95, 0.3);
}
.dog-calculator-container.theme-dark .dog-calculator-result-value {
color: #f5f3f7;
background: rgba(241, 154, 95, 0.2);
}
.dog-calculator-container.theme-dark .dog-calculator-footer {
background: #24202d;
border-color: #433c4f;
}
.dog-calculator-container.theme-dark .dog-calculator-action-buttons {
background: #312b3b;
border-color: #433c4f;
}
.dog-calculator-container.theme-dark .dog-calculator-btn {
background: #433c4f;
border-color: #433c4f;
color: #f5f3f7;
}
.dog-calculator-container.theme-dark .dog-calculator-btn:hover {
background: #524a5f;
border-color: #524a5f;
}
.dog-calculator-container.theme-dark .dog-calculator-btn-share:hover {
border-color: #9f5999;
color: #f19a5f;
}
.dog-calculator-container.theme-dark .dog-calculator-btn-embed:hover {
border-color: #7fa464;
color: #7fa464;
}
/* System theme - follows user's OS preference */
@media (prefers-color-scheme: dark) {
.dog-calculator-container.theme-system {
color: #f5f3f7;
}
.dog-calculator-container.theme-system .dog-calculator-section,
.dog-calculator-container.theme-system .dog-calculator-collapsible {
background: #24202d;
border-color: #433c4f;
}
.dog-calculator-container.theme-system .dog-calculator-collapsible-header {
background: #312b3b;
border-color: #433c4f;
}
.dog-calculator-container.theme-system .dog-calculator-collapsible-header:hover {
background: #3a3446;
}
.dog-calculator-container.theme-system .dog-calculator-section h2,
.dog-calculator-container.theme-system .dog-calculator-collapsible-header h3,
.dog-calculator-container.theme-system .dog-calculator-form-group label,
.dog-calculator-container.theme-system .dog-calculator-result-label {
color: #f5f3f7;
}
.dog-calculator-container.theme-system .dog-calculator-unit-label {
color: #b8b0c2;
}
.dog-calculator-container.theme-system .dog-calculator-unit-label.active {
color: #f5f3f7;
}
.dog-calculator-container.theme-system .dog-calculator-slider {
background-color: #433c4f;
}
.dog-calculator-container.theme-system .dog-calculator-form-group select,
.dog-calculator-container.theme-system .dog-calculator-form-group input[type="number"],
.dog-calculator-container.theme-system .dog-calculator-form-group input[type="text"] {
background-color: #312b3b;
border-color: #433c4f;
color: #f5f3f7;
background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f5f3f7' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}
.dog-calculator-container.theme-system .dog-calculator-form-group select option {
background-color: #312b3b;
color: #f5f3f7;
}
.dog-calculator-container.theme-system .dog-calculator-form-group select:focus,
.dog-calculator-container.theme-system .dog-calculator-form-group input[type="number"]:focus,
.dog-calculator-container.theme-system .dog-calculator-form-group input[type="text"]:focus {
background-color: #312b3b;
border-color: #f19a5f;
}
.dog-calculator-container.theme-system .dog-calculator-form-group input[readonly] {
background-color: #433c4f;
color: #b8b0c2;
}
.dog-calculator-container.theme-system .dog-calculator-results {
background: linear-gradient(135deg, rgba(241, 154, 95, 0.15) 0%, rgba(241, 154, 95, 0.08) 100%);
border-color: rgba(241, 154, 95, 0.3);
}
.dog-calculator-container.theme-system .dog-calculator-result-value {
color: #f5f3f7;
background: rgba(241, 154, 95, 0.2);
}
.dog-calculator-container.theme-system .dog-calculator-footer {
background: #24202d;
border-color: #433c4f;
}
.dog-calculator-container.theme-system .dog-calculator-action-buttons {
background: #312b3b;
border-color: #433c4f;
}
.dog-calculator-container.theme-system .dog-calculator-btn {
background: #433c4f;
border-color: #433c4f;
color: #f5f3f7;
}
.dog-calculator-container.theme-system .dog-calculator-btn:hover {
background: #524a5f;
border-color: #524a5f;
}
.dog-calculator-container.theme-system .dog-calculator-btn-share:hover {
border-color: #9f5999;
color: #f19a5f;
}
.dog-calculator-container.theme-system .dog-calculator-btn-embed:hover {
border-color: #7fa464;
color: #7fa464;
}
}
/* Modal Styles */
.dog-calculator-modal {
display: none;
position: fixed;
z-index: 10000;
left: 0;
top: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.5);
animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
from { opacity: 0; }
to { opacity: 1; }
}
.dog-calculator-modal-content {
position: relative;
background-color: #ffffff;
margin: 5% auto;
padding: 30px;
border: 1px solid #e8e3ed;
border-radius: 12px;
width: 90%;
max-width: 500px;
box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
animation: slideIn 0.3s ease;
}
.dog-calculator-modal-embed {
max-width: 700px;
}
@keyframes slideIn {
from {
opacity: 0;
transform: translateY(-20px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
.dog-calculator-modal-close {
position: absolute;
right: 20px;
top: 20px;
font-size: 28px;
font-weight: 300;
color: #6f3f6d;
cursor: pointer;
transition: color 0.2s ease;
}
.dog-calculator-modal-close:hover {
color: #f19a5f;
}
.dog-calculator-modal h3 {
margin: 0 0 24px 0;
color: #6f3f6d;
font-size: 1.5rem;
}
/* Share Modal */
.dog-calculator-share-buttons {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
gap: 12px;
margin-bottom: 20px;
}
.dog-calculator-share-btn {
padding: 12px 16px;
border: none;
border-radius: 6px;
font-size: 0.9rem;
font-weight: 500;
color: white;
cursor: pointer;
transition: all 0.2s ease;
display: flex;
align-items: center;
justify-content: center;
gap: 8px;
font-family: inherit;
}
.dog-calculator-share-facebook { background: #1877f2; }
.dog-calculator-share-facebook:hover { background: #1664d1; transform: translateY(-1px); }
.dog-calculator-share-twitter { background: #1da1f2; }
.dog-calculator-share-twitter:hover { background: #1991da; transform: translateY(-1px); }
.dog-calculator-share-linkedin { background: #0a66c2; }
.dog-calculator-share-linkedin:hover { background: #084d95; transform: translateY(-1px); }
.dog-calculator-share-email { background: #6f3f6d; }
.dog-calculator-share-email:hover { background: #5a3357; transform: translateY(-1px); }
.dog-calculator-share-copy { background: #f19a5f; }
.dog-calculator-share-copy:hover { background: #e87741; transform: translateY(-1px); }
.dog-calculator-share-url {
display: flex;
width: 100%;
}
.dog-calculator-share-url input {
flex: 1;
width: 100%;
padding: 10px 16px;
border: 1px solid #e8e3ed;
border-radius: 6px;
font-size: 0.9rem;
font-family: monospace;
background: #f8f5fa;
color: #6f3f6d;
}
/* Embed Modal */
.dog-calculator-embed-options {
display: flex;
flex-direction: column;
gap: 24px;
}
.dog-calculator-embed-option {
border: 1px solid #e8e3ed;
border-radius: 8px;
padding: 20px;
background: #fcfafd;
}
.dog-calculator-embed-option h4 {
margin: 0 0 8px 0;
color: #6f3f6d;
font-size: 1.1rem;
}
.dog-calculator-embed-option p {
margin: 0 0 16px 0;
color: #635870;
font-size: 0.9rem;
}
/* Default (light theme) code containers */
.dog-calculator-code-container {
position: relative;
background: #ffffff;
border: 1px solid #e8e3ed;
border-radius: 6px;
overflow: hidden;
}
.dog-calculator-code-container pre {
margin: 0;
padding: 16px 60px 16px 16px;
overflow-x: auto;
}
.dog-calculator-code-container code {
color: #312b3b;
font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
font-size: 0.85rem;
line-height: 1.4;
}
.dog-calculator-copy-btn {
position: absolute;
top: 8px;
right: 8px;
padding: 6px 10px;
background: #f19a5f;
color: white;
border: none;
border-radius: 4px;
font-size: 0.8rem;
font-weight: 500;
cursor: pointer;
transition: all 0.2s ease;
font-family: inherit;
z-index: 1;
}
.dog-calculator-copy-btn:hover { background: #e87741; }
.dog-calculator-copy-btn.copied { background: #7fa464; }
.dog-calculator-copy-btn.copied:hover { background: #7fa464; }
/* Dark theme modal styles */
.dog-calculator-container.theme-dark .dog-calculator-modal-content {
background-color: #24202d;
border-color: #433c4f;
}
.dog-calculator-container.theme-dark .dog-calculator-modal h3 {
color: #f5f3f7;
}
.dog-calculator-container.theme-dark .dog-calculator-modal-close {
color: #f5f3f7;
}
.dog-calculator-container.theme-dark .dog-calculator-modal-close:hover {
color: #f19a5f;
}
.dog-calculator-container.theme-dark .dog-calculator-share-url input {
background: #312b3b;
border-color: #433c4f;
color: #f5f3f7;
}
.dog-calculator-container.theme-dark .dog-calculator-embed-option {
background: #312b3b;
border-color: #433c4f;
}
.dog-calculator-container.theme-dark .dog-calculator-embed-option h4 {
color: #f5f3f7;
}
.dog-calculator-container.theme-dark .dog-calculator-embed-option p {
color: #b8b0c2;
}
/* Dark theme code containers - different from embed option background */
.dog-calculator-container.theme-dark .dog-calculator-code-container {
background: #1a1621;
border-color: #2a2330;
}
.dog-calculator-container.theme-dark .dog-calculator-code-container code {
color: #f5f3f7;
}
/* System theme modal styles */
@media (prefers-color-scheme: dark) {
.dog-calculator-container.theme-system .dog-calculator-modal-content {
background-color: #24202d;
border-color: #433c4f;
}
.dog-calculator-container.theme-system .dog-calculator-modal h3 {
color: #f5f3f7;
}
.dog-calculator-container.theme-system .dog-calculator-modal-close {
color: #f5f3f7;
}
.dog-calculator-container.theme-system .dog-calculator-modal-close:hover {
color: #f19a5f;
}
.dog-calculator-container.theme-system .dog-calculator-share-url input {
background: #312b3b;
border-color: #433c4f;
color: #f5f3f7;
}
.dog-calculator-container.theme-system .dog-calculator-embed-option {
background: #312b3b;
border-color: #433c4f;
}
.dog-calculator-container.theme-system .dog-calculator-embed-option h4 {
color: #f5f3f7;
}
.dog-calculator-container.theme-system .dog-calculator-embed-option p {
color: #b8b0c2;
}
/* System theme code containers - different from embed option background */
.dog-calculator-container.theme-system .dog-calculator-code-container {
background: #1a1621;
border-color: #2a2330;
}
.dog-calculator-container.theme-system .dog-calculator-code-container code {
color: #f5f3f7;
}
}
/* Multi-Food Source Styles */
.dog-calculator-food-sources {
display: flex;
flex-direction: column;
gap: 16px;
}
.dog-calculator-food-source-card {
background: #ffffff;
border: 1px solid #e8e3ed;
border-radius: 8px;
padding: 20px;
position: relative;
transition: all 0.2s ease;
}
.dog-calculator-food-source-card:hover {
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.dog-calculator-food-source-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 16px;
}
.dog-calculator-food-source-title {
font-weight: 600;
color: #6f3f6d;
font-size: 1.1rem;
margin: 0;
}
.dog-calculator-remove-food-btn {
background: #e87159;
color: white;
border: none;
border-radius: 50%;
width: 28px;
height: 28px;
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
font-size: 16px;
font-weight: 600;
transition: all 0.2s ease;
line-height: 1;
}
.dog-calculator-remove-food-btn:hover {
background: #d65a47;
transform: scale(1.1);
}
.dog-calculator-percentage-group {
margin-top: 16px;
padding-top: 16px;
border-top: 1px solid #e8e3ed;
}
.dog-calculator-percentage-label {
display: block;
margin-bottom: 8px;
font-weight: 500;
color: #6f3f6d;
font-size: 1rem;
}
.dog-calculator-percentage-input-group {
display: flex;
align-items: center;
gap: 12px;
}
.dog-calculator-percentage-slider {
flex: 1;
height: 6px;
border-radius: 3px;
background: #e8e3ed;
outline: none;
transition: all 0.2s ease;
-webkit-appearance: none;
appearance: none;
}
.dog-calculator-percentage-slider::-webkit-slider-thumb {
-webkit-appearance: none;
appearance: none;
width: 20px;
height: 20px;
border-radius: 50%;
background: #f19a5f;
cursor: pointer;
border: 2px solid white;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
transition: all 0.2s ease;
}
.dog-calculator-percentage-slider::-webkit-slider-thumb:hover {
background: #e87741;
transform: scale(1.1);
}
.dog-calculator-percentage-slider::-moz-range-thumb {
width: 20px;
height: 20px;
border-radius: 50%;
background: #f19a5f;
cursor: pointer;
border: 2px solid white;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
transition: all 0.2s ease;
}
.dog-calculator-percentage-input {
width: 70px;
padding: 8px 12px;
border: 1px solid #e8e3ed;
border-radius: 6px;
font-size: 0.9rem;
text-align: center;
background-color: #ffffff;
color: #6f3f6d;
}
.dog-calculator-percentage-input:focus {
outline: none;
border-color: #f19a5f;
box-shadow: 0 0 0 3px rgba(241, 154, 95, 0.1);
}
.dog-calculator-add-food-btn {
display: flex;
align-items: center;
justify-content: center;
gap: 8px;
width: 100%;
padding: 16px;
border: 2px dashed #e8e3ed;
border-radius: 8px;
background: transparent;
color: #635870;
font-size: 1rem;
font-weight: 500;
cursor: pointer;
transition: all 0.2s ease;
font-family: inherit;
margin-top: 16px;
}
.dog-calculator-add-food-btn:hover {
border-color: #f19a5f;
color: #f19a5f;
background: rgba(241, 154, 95, 0.05);
}
.dog-calculator-add-food-btn:disabled {
opacity: 0.5;
cursor: not-allowed;
border-color: #e8e3ed;
color: #635870;
background: transparent;
}
.dog-calculator-add-food-btn:disabled:hover {
border-color: #e8e3ed;
color: #635870;
background: transparent;
}
.dog-calculator-food-results {
background: linear-gradient(135deg, rgba(241, 154, 95, 0.08) 0%, rgba(241, 154, 95, 0.04) 100%);
border: 1px solid rgba(241, 154, 95, 0.2);
border-radius: 6px;
padding: 16px;
margin-top: 20px;
}
.dog-calculator-food-result-item {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 8px;
font-size: 0.9rem;
}
.dog-calculator-food-result-item:last-child {
margin-bottom: 0;
}
.dog-calculator-food-result-label {
font-weight: 500;
color: #6f3f6d;
}
.dog-calculator-food-result-value {
font-weight: 600;
color: #6f3f6d;
padding: 2px 8px;
background: rgba(241, 154, 95, 0.15);
border-radius: 3px;
font-size: 0.85rem;
}
/* Dark theme support for food sources */
.dog-calculator-container.theme-dark .dog-calculator-food-source-card {
background: #312b3b;
border-color: #433c4f;
}
.dog-calculator-container.theme-dark .dog-calculator-food-source-title {
color: #f5f3f7;
}
.dog-calculator-container.theme-dark .dog-calculator-percentage-label {
color: #f5f3f7;
}
.dog-calculator-container.theme-dark .dog-calculator-percentage-slider {
background: #433c4f;
}
.dog-calculator-container.theme-dark .dog-calculator-percentage-input {
background: #433c4f;
border-color: #524a5f;
color: #f5f3f7;
}
.dog-calculator-container.theme-dark .dog-calculator-percentage-group {
border-color: #433c4f;
}
.dog-calculator-container.theme-dark .dog-calculator-add-food-btn {
border-color: #433c4f;
color: #b8b0c2;
}
.dog-calculator-container.theme-dark .dog-calculator-add-food-btn:hover {
border-color: #f19a5f;
color: #f19a5f;
background: rgba(241, 154, 95, 0.1);
}
.dog-calculator-container.theme-dark .dog-calculator-food-results {
background: linear-gradient(135deg, rgba(241, 154, 95, 0.15) 0%, rgba(241, 154, 95, 0.08) 100%);
border-color: rgba(241, 154, 95, 0.3);
}
.dog-calculator-container.theme-dark .dog-calculator-food-result-label {
color: #f5f3f7;
}
.dog-calculator-container.theme-dark .dog-calculator-food-result-value {
color: #f5f3f7;
background: rgba(241, 154, 95, 0.2);
}
/* System theme support for food sources */
@media (prefers-color-scheme: dark) {
.dog-calculator-container.theme-system .dog-calculator-food-source-card {
background: #312b3b;
border-color: #433c4f;
}
.dog-calculator-container.theme-system .dog-calculator-food-source-title {
color: #f5f3f7;
}
.dog-calculator-container.theme-system .dog-calculator-percentage-label {
color: #f5f3f7;
}
.dog-calculator-container.theme-system .dog-calculator-percentage-slider {
background: #433c4f;
}
.dog-calculator-container.theme-system .dog-calculator-percentage-input {
background: #433c4f;
border-color: #524a5f;
color: #f5f3f7;
}
.dog-calculator-container.theme-system .dog-calculator-percentage-group {
border-color: #433c4f;
}
.dog-calculator-container.theme-system .dog-calculator-add-food-btn {
border-color: #433c4f;
color: #b8b0c2;
}
.dog-calculator-container.theme-system .dog-calculator-add-food-btn:hover {
border-color: #f19a5f;
color: #f19a5f;
background: rgba(241, 154, 95, 0.1);
}
.dog-calculator-container.theme-system .dog-calculator-food-results {
background: linear-gradient(135deg, rgba(241, 154, 95, 0.15) 0%, rgba(241, 154, 95, 0.08) 100%);
border-color: rgba(241, 154, 95, 0.3);
}
.dog-calculator-container.theme-system .dog-calculator-food-result-label {
color: #f5f3f7;
}
.dog-calculator-container.theme-system .dog-calculator-food-result-value {
color: #f5f3f7;
background: rgba(241, 154, 95, 0.2);
}
}
/* Mobile responsive design for food sources */
@media (max-width: 576px) {
.dog-calculator-food-source-card {
padding: 16px;
}
.dog-calculator-food-source-header {
flex-direction: column;
align-items: flex-start;
gap: 12px;
}
.dog-calculator-remove-food-btn {
align-self: flex-end;
margin-top: -8px;
}
.dog-calculator-percentage-input-group {
flex-direction: column;
gap: 8px;
align-items: stretch;
}
.dog-calculator-percentage-input {
width: 100%;
}
.dog-calculator-add-food-btn {
padding: 12px;
font-size: 0.9rem;
}
.dog-calculator-food-result-item {
flex-direction: column;
align-items: flex-start;
gap: 4px;
}
.dog-calculator-food-result-value {
align-self: stretch;
text-align: center;
}
}
/* Lock Icon Styles */
.dog-calculator-lock-icon {
display: inline-block;
width: 16px;
height: 16px;
margin-left: 8px;
cursor: pointer;
font-size: 14px;
line-height: 1;
vertical-align: middle;
transition: all 0.2s ease;
user-select: none;
opacity: 0.6;
}
.dog-calculator-lock-icon:hover {
opacity: 1;
transform: scale(1.1);
}
.dog-calculator-lock-icon.locked {
color: #f19a5f;
opacity: 1;
font-weight: bold;
}
.dog-calculator-lock-icon.unlocked {
color: #635870;
}
.dog-calculator-lock-icon.disabled {
opacity: 0.3;
cursor: not-allowed;
}
.dog-calculator-lock-icon.disabled:hover {
opacity: 0.3;
transform: none;
}
/* Dark theme support for lock icons */
.dog-calculator-container.theme-dark .dog-calculator-lock-icon.unlocked {
color: #b8b0c2;
}
.dog-calculator-container.theme-dark .dog-calculator-lock-icon.locked {
color: #f19a5f;
}
/* System theme support for lock icons */
@media (prefers-color-scheme: dark) {
.dog-calculator-container.theme-system .dog-calculator-lock-icon.unlocked {
color: #b8b0c2;
}
.dog-calculator-container.theme-system .dog-calculator-lock-icon.locked {
color: #f19a5f;
}
}
/* Disabled slider and input styles */
.dog-calculator-percentage-slider:disabled {
opacity: 0.5;
cursor: not-allowed;
background: #f0f0f0;
pointer-events: none;
}
.dog-calculator-percentage-slider:disabled::-webkit-slider-thumb {
background: #ccc;
cursor: not-allowed;
}
.dog-calculator-percentage-slider:disabled::-webkit-slider-thumb:hover {
background: #ccc;
transform: none;
}
.dog-calculator-percentage-slider:disabled::-moz-range-thumb {
background: #ccc;
cursor: not-allowed;
}
.dog-calculator-percentage-input:disabled {
opacity: 0.5;
cursor: not-allowed;
background-color: #f8f8f8;
border-color: #ddd;
pointer-events: none;
}
/* Dark theme disabled styles */
.dog-calculator-container.theme-dark .dog-calculator-percentage-slider:disabled {
background: #2a2530;
}
.dog-calculator-container.theme-dark .dog-calculator-percentage-input:disabled {
background-color: #2a2530;
border-color: #3a3442;
color: #8a8a8a;
}
/* System theme disabled styles */
@media (prefers-color-scheme: dark) {
.dog-calculator-container.theme-system .dog-calculator-percentage-slider:disabled {
background: #2a2530;
}
.dog-calculator-container.theme-system .dog-calculator-percentage-input:disabled {
background-color: #2a2530;
border-color: #3a3442;
color: #8a8a8a;
}
}
</style>
</head>
<body>
<div class="dog-calculator-container" id="dogCalculator">
<div class="dog-calculator-section">
<div class="dog-calculator-section-header">
<h2>Dog's Characteristics</h2>
<div class="dog-calculator-unit-switch">
<span class="dog-calculator-unit-label active" id="metricLabel">Metric</span>
<label class="dog-calculator-switch">
<input type="checkbox" id="unitToggle">
<span class="dog-calculator-slider"></span>
</label>
<span class="dog-calculator-unit-label" id="imperialLabel">Imperial</span>
</div>
</div>
<div class="dog-calculator-form-group">
<label for="dogType">Dog Type / Activity Level:</label>
<select id="dogType" aria-describedby="dogTypeHelp">
<option value="">Select dog type...</option>
<option value="3.0">Puppy (0-4 months)</option>
<option value="2.0">Puppy (4 months - adult)</option>
<option value="1.2">Adult - inactive/obese</option>
<option value="1.6">Adult (neutered/spayed) - average activity</option>
<option value="1.8">Adult (intact) - average activity</option>
<option value="1.0">Adult - weight loss</option>
<option value="1.7">Adult - weight gain</option>
<option value="2.0">Working dog - light work</option>
<option value="3.0">Working dog - moderate work</option>
<option value="5.0">Working dog - heavy work</option>
<option value="1.1">Senior dog</option>
</select>
</div>
<div class="dog-calculator-form-group">
<label for="weight" id="weightLabel">Dog's Weight (kg):</label>
<input type="number" id="weight" min="0.1" step="0.1" placeholder="Enter weight in kg" aria-describedby="weightHelp">
<div id="weightError" class="dog-calculator-error dog-calculator-hidden">Please enter a valid weight (minimum 0.1 kg)</div>
</div>
<div class="dog-calculator-results" id="calorieResults" style="display: none;">
<div class="dog-calculator-result-item">
<span class="dog-calculator-result-label">Resting Energy Requirement (RER):</span>
<span class="dog-calculator-result-value" id="rerValue">- cal/day</span>
</div>
<div class="dog-calculator-result-item">
<span class="dog-calculator-result-label">Maintenance Energy Requirement (MER):</span>
<span class="dog-calculator-result-value" id="merValue">- cal/day</span>
</div>
</div>
</div>
<div class="dog-calculator-collapsible active" id="foodCalculator">
<div class="dog-calculator-collapsible-header">
<h3>How much should I feed?</h3>
</div>
<div class="dog-calculator-collapsible-content">
<div class="dog-calculator-collapsible-inner">
<!-- Food Sources Container -->
<div class="dog-calculator-food-sources" id="foodSources">
<!-- Initial food source will be added by JavaScript -->
</div>
<!-- Add Food Source Button -->
<button class="dog-calculator-add-food-btn" id="addFoodBtn" type="button">
<span>+</span>
<span>Add another food source <span id="foodSourceCount">(up to 5 total)</span></span>
</button>
<!-- Per-Food Results -->
<div class="dog-calculator-food-results" id="foodBreakdownResults" style="display: none;">
<div id="foodBreakdownList">
<!-- Individual food breakdowns will be populated by JavaScript -->
</div>
</div>
<!-- Daily Total Results -->
<div class="dog-calculator-results" id="dailyFoodResults" style="display: none;">
<div class="dog-calculator-result-item">
<span class="dog-calculator-result-label">Total Daily Amount:</span>
<span class="dog-calculator-result-value" id="dailyFoodValue">- g/day</span>
</div>
</div>
<!-- Days and Total Food Calculation -->
<div class="dog-calculator-form-group" style="margin-top: 20px;">
<label for="days">Number of Days:</label>
<input type="number" id="days" min="1" step="1" value="1" placeholder="Enter number of days" aria-describedby="daysHelp">
<div id="daysError" class="dog-calculator-error dog-calculator-hidden">Please enter a valid number of days (minimum 1)</div>
</div>
<div class="dog-calculator-input-group">
<div class="dog-calculator-form-group">
<label for="totalFoodDisplay">Total Food Amount:</label>
<input type="text" id="totalFoodDisplay" readonly>
</div>
<div class="dog-calculator-form-group">
<label for="unit">Unit:</label>
<select id="unit" class="dog-calculator-unit-select" aria-describedby="unitHelp">
<option value="g">grams (g)</option>
<option value="kg">kilograms (kg)</option>
<option value="oz">ounces (oz)</option>
<option value="lb">pounds (lb)</option>
</select>
</div>
</div>
</div>
</div>
</div>
<div class="dog-calculator-action-buttons">
<button class="dog-calculator-btn dog-calculator-btn-share" id="shareBtn">
Share
</button>
<button class="dog-calculator-btn dog-calculator-btn-embed" id="embedBtn">
Embed
</button>
</div>
<div class="dog-calculator-footer">
<a href="https://caninenutritionandwellness.com" target="_blank" rel="noopener noreferrer">
by caninenutritionandwellness.com
</a>
</div>
</div>
<!-- Share Modal -->
<div id="shareModal" class="dog-calculator-modal" style="display: none;">
<div class="dog-calculator-modal-content">
<span class="dog-calculator-modal-close" id="shareModalClose">&times;</span>
<h3>Share Calculator</h3>
<div class="dog-calculator-share-buttons">
<button class="dog-calculator-share-btn dog-calculator-share-facebook plausible-event-name=Calculator+Usage plausible-event-action=calculator-share-facebook" id="shareFacebook">
Facebook
</button>
<button class="dog-calculator-share-btn dog-calculator-share-twitter plausible-event-name=Calculator+Usage plausible-event-action=calculator-share-twitter" id="shareTwitter">
Twitter
</button>
<button class="dog-calculator-share-btn dog-calculator-share-linkedin plausible-event-name=Calculator+Usage plausible-event-action=calculator-share-linkedin" id="shareLinkedIn">
LinkedIn
</button>
<button class="dog-calculator-share-btn dog-calculator-share-email plausible-event-name=Calculator+Usage plausible-event-action=calculator-share-email" id="shareEmail">
Email
</button>
<button class="dog-calculator-share-btn dog-calculator-share-copy plausible-event-name=Calculator+Usage plausible-event-action=calculator-share-copy-link" id="shareCopy">
Copy Link
</button>
</div>
<div class="dog-calculator-share-url">
<input type="text" id="shareUrl" readonly>
</div>
</div>
</div>
<!-- Embed Modal -->
<div id="embedModal" class="dog-calculator-modal" style="display: none;">
<div class="dog-calculator-modal-content dog-calculator-modal-embed">
<span class="dog-calculator-modal-close" id="embedModalClose">&times;</span>
<h3>⚡ Embed the Calculator</h3>
<div class="dog-calculator-embed-options">
<div class="dog-calculator-embed-option">
<h4>⚡ JavaScript Widget</h4>
<div class="dog-calculator-code-container">
<pre><code id="widgetCode"></code></pre>
<button class="dog-calculator-copy-btn plausible-event-name=Calculator+Usage plausible-event-action=calculator-embed-js" id="copyWidget">
Copy
</button>
</div>
</div>
<div class="dog-calculator-embed-option">
<h4>🛡️ iframe Embed</h4>
<div class="dog-calculator-code-container">
<pre><code id="iframeCode"></code></pre>
<button class="dog-calculator-copy-btn plausible-event-name=Calculator+Usage plausible-event-action=calculator-embed-iframe" id="copyIframe">
Copy
</button>
</div>
</div>
</div>
</div>
</div>
<script>
/**
* Dog Calorie Calculator - iframe version
* by Canine Nutrition and Wellness
*/
class DogCalorieCalculator {
constructor() {
this.currentMER = 0;
this.isImperial = false;
this.theme = this.getThemeFromURL() || 'system';
this.scale = this.getScaleFromURL() || 1.0;
this.foodSources = [];
this.maxFoodSources = 5;
this.init();
}
init() {
this.applyTheme();
this.applyScale();
this.initializeFoodSources();
this.bindEvents();
this.updateUnitLabels();
this.setupIframeResize();
// Show the calculator with fade-in
const container = document.getElementById('dogCalculator');
container.classList.add('loaded');
}
getThemeFromURL() {
const urlParams = new URLSearchParams(window.location.search);
const theme = urlParams.get('theme');
return ['light', 'dark', 'system'].includes(theme) ? theme : null;
}
getScaleFromURL() {
const urlParams = new URLSearchParams(window.location.search);
const scale = parseFloat(urlParams.get('scale'));
return (!isNaN(scale) && scale >= 0.5 && scale <= 2.0) ? scale : null;
}
applyTheme() {
const container = document.getElementById('dogCalculator');
container.classList.remove('theme-light', 'theme-dark', 'theme-system');
container.classList.add('theme-' + this.theme);
}
applyScale() {
const container = document.getElementById('dogCalculator');
if (!container) return;
// Clamp scale between 0.5 and 2.0 for usability
const clampedScale = Math.max(0.5, Math.min(2.0, this.scale));
if (clampedScale !== 1.0) {
container.style.transform = `scale(${clampedScale})`;
container.style.transformOrigin = 'top center';
// Adjust container to account for scaling
setTimeout(() => {
const actualHeight = container.offsetHeight * clampedScale;
container.style.marginBottom = `${(clampedScale - 1) * container.offsetHeight}px`;
this.sendHeightToParent();
}, 100);
}
}
// Food Source Management Methods
initializeFoodSources() {
this.addFoodSource();
this.updateAddButton();
}
addFoodSource() {
if (this.foodSources.length >= this.maxFoodSources) {
return;
}
const id = this.generateFoodSourceId();
const foodSource = {
id: id,
name: `Food Source ${this.foodSources.length + 1}`,
energy: '',
energyUnit: this.isImperial ? 'kcalcup' : 'kcal100g',
percentage: this.foodSources.length === 0 ? 100 : 0,
isLocked: false
};
this.foodSources.push(foodSource);
this.redistributePercentages();
this.renderFoodSource(foodSource);
this.updateAddButton();
this.refreshAllPercentageUI();
}
removeFoodSource(id) {
if (this.foodSources.length <= 1) {
return; // Cannot remove the last food source
}
const index = this.foodSources.findIndex(fs => fs.id === id);
if (index === -1) return;
this.foodSources.splice(index, 1);
// Remove the DOM element
const element = document.getElementById(`foodSource-${id}`);
if (element) {
element.remove();
}
// Redistribute percentages among remaining sources
this.redistributePercentages();
this.updateFoodSourceNames();
this.updateAddButton();
this.refreshAllPercentageUI();
}
generateFoodSourceId() {
return 'fs_' + Date.now() + '_' + Math.random().toString(36).substr(2, 5);
}
redistributePercentages() {
const count = this.foodSources.length;
if (count === 0) return;
// Only redistribute among unlocked sources
const unlockedSources = this.foodSources.filter(fs => !fs.isLocked);
const lockedSources = this.foodSources.filter(fs => fs.isLocked);
// Calculate total locked percentage
const totalLockedPercentage = lockedSources.reduce((sum, fs) => sum + fs.percentage, 0);
// Available percentage for unlocked sources
const availablePercentage = 100 - totalLockedPercentage;
if (unlockedSources.length > 0) {
const equalPercentage = Math.floor(availablePercentage / unlockedSources.length);
const remainder = availablePercentage - (equalPercentage * unlockedSources.length);
unlockedSources.forEach((fs, index) => {
fs.percentage = equalPercentage + (index < remainder ? 1 : 0);
});
}
// Update the UI sliders and inputs
this.refreshAllPercentageUI();
}
// OBSOLETE METHODS - Replaced by new validation system
// Keeping for reference but these are no longer used
/*
updatePercentageInputs() {
this.foodSources.forEach(fs => {
const slider = document.getElementById(`percentage-slider-${fs.id}`);
const input = document.getElementById(`percentage-input-${fs.id}`);
const display = document.getElementById(`percentage-display-${fs.id}`);
if (slider) slider.value = fs.percentage;
if (input) input.value = fs.percentage;
if (display) display.textContent = `${fs.percentage}%`;
});
// Update constraints after values are set
this.updatePercentageConstraints();
}
updatePercentageConstraints() {
this.foodSources.forEach(fs => {
const slider = document.getElementById(`percentage-slider-${fs.id}`);
const input = document.getElementById(`percentage-input-${fs.id}`);
if (!slider || !input) return;
// Always keep full 0-100 scale for all sliders
slider.max = 100;
input.max = 100;
if (fs.isLocked) {
// Locked sources can't be changed
slider.disabled = true;
input.disabled = true;
} else {
// Calculate the maximum this source can have
const lockedSources = this.foodSources.filter(other => other.id !== fs.id && other.isLocked);
const totalLockedPercentage = lockedSources.reduce((sum, other) => sum + other.percentage, 0);
const maxAllowed = 100 - totalLockedPercentage;
// Re-enable
slider.disabled = false;
input.disabled = false;
// Store max allowed for validation (we'll check this in event handlers)
slider.dataset.maxAllowed = maxAllowed;
input.dataset.maxAllowed = maxAllowed;
// If current value exceeds max, adjust it
if (fs.percentage > maxAllowed) {
fs.percentage = maxAllowed;
slider.value = maxAllowed;
input.value = maxAllowed;
document.getElementById(`percentage-display-${fs.id}`).textContent = `${maxAllowed}%`;
}
}
});
}
adjustPercentages(changedId, newPercentage) {
const changedIndex = this.foodSources.findIndex(fs => fs.id === changedId);
if (changedIndex === -1) return;
const oldPercentage = this.foodSources[changedIndex].percentage;
const difference = newPercentage - oldPercentage;
this.foodSources[changedIndex].percentage = newPercentage;
// Only redistribute among unlocked sources (excluding the changed one)
const otherUnlockedSources = this.foodSources.filter((fs, index) =>
index !== changedIndex && !fs.isLocked
);
// If this is the only unlocked source, force it to fill remaining percentage
if (otherUnlockedSources.length === 0) {
const lockedSources = this.foodSources.filter((fs, index) =>
index !== changedIndex && fs.isLocked
);
const totalLockedPercentage = lockedSources.reduce((sum, fs) => sum + fs.percentage, 0);
const requiredPercentage = 100 - totalLockedPercentage;
// Force the changed source to the required percentage
this.foodSources[changedIndex].percentage = requiredPercentage;
this.updatePercentageInputs();
this.updateFoodCalculations();
return;
}
// Calculate total locked percentage (excluding the changed source)
const lockedSources = this.foodSources.filter((fs, index) =>
index !== changedIndex && fs.isLocked
);
const totalLockedPercentage = lockedSources.reduce((sum, fs) => sum + fs.percentage, 0);
// Available percentage for unlocked sources
const availablePercentage = 100 - newPercentage - totalLockedPercentage;
const totalUnlockedPercentage = otherUnlockedSources.reduce((sum, fs) => sum + fs.percentage, 0);
if (totalUnlockedPercentage === 0) {
// If all other unlocked sources are 0, distribute equally
const equalShare = Math.floor(availablePercentage / otherUnlockedSources.length);
const remainder = availablePercentage - (equalShare * otherUnlockedSources.length);
otherUnlockedSources.forEach((fs, index) => {
fs.percentage = equalShare + (index < remainder ? 1 : 0);
});
} else {
// Distribute proportionally among unlocked sources
const scale = availablePercentage / totalUnlockedPercentage;
let distributedTotal = 0;
otherUnlockedSources.forEach((fs, index) => {
if (index === otherUnlockedSources.length - 1) {
// Last item gets the remainder to ensure exact 100%
fs.percentage = availablePercentage - distributedTotal;
} else {
fs.percentage = Math.round(fs.percentage * scale);
distributedTotal += fs.percentage;
}
});
}
this.updatePercentageInputs();
this.updateFoodCalculations();
}
*/
// New validation system methods
validatePercentageChange(sourceId, requestedValue) {
// Find the source being changed
const changedSource = this.foodSources.find(fs => fs.id === sourceId);
if (!changedSource) {
return { isValid: false, reason: 'Source not found' };
}
// If the source is locked, no change allowed
if (changedSource.isLocked) {
return { isValid: false, reason: 'Source is locked' };
}
// Ensure requested value is within bounds
const clampedValue = Math.max(0, Math.min(100, requestedValue));
// Calculate locked and other unlocked totals
const lockedSources = this.foodSources.filter(fs => fs.id !== sourceId && fs.isLocked);
const otherUnlockedSources = this.foodSources.filter(fs => fs.id !== sourceId && !fs.isLocked);
const totalLocked = lockedSources.reduce((sum, fs) => sum + fs.percentage, 0);
// Check if the only unlocked source
if (otherUnlockedSources.length === 0) {
// This is the only unlocked source, must fill remaining percentage
const requiredPercentage = 100 - totalLocked;
return {
isValid: true,
actualValue: requiredPercentage,
affectedSources: [{ id: sourceId, newPercentage: requiredPercentage }],
reason: 'Only unlocked source, forced to fill remainder'
};
}
// Calculate available percentage for redistribution
const availableForOthers = 100 - clampedValue - totalLocked;
// Check if redistribution is possible
if (availableForOthers < 0) {
// Cannot accommodate this value
const maxAllowed = 100 - totalLocked;
return {
isValid: true,
actualValue: maxAllowed,
affectedSources: this.calculateRedistribution(sourceId, maxAllowed, otherUnlockedSources),
reason: 'Value clamped to maximum allowed'
};
}
// Calculate redistribution
const affectedSources = this.calculateRedistribution(sourceId, clampedValue, otherUnlockedSources);
return {
isValid: true,
actualValue: clampedValue,
affectedSources: affectedSources,
reason: 'Valid change'
};
}
calculateRedistribution(sourceId, newValue, otherUnlockedSources) {
const result = [{ id: sourceId, newPercentage: newValue }];
if (otherUnlockedSources.length === 0) {
return result;
}
// Calculate total locked percentage
const lockedSources = this.foodSources.filter(fs => fs.id !== sourceId && fs.isLocked);
const totalLocked = lockedSources.reduce((sum, fs) => sum + fs.percentage, 0);
// Available percentage for other unlocked sources
const availableForOthers = 100 - newValue - totalLocked;
// Current total of other unlocked sources
const currentOtherTotal = otherUnlockedSources.reduce((sum, fs) => sum + fs.percentage, 0);
if (currentOtherTotal === 0 || availableForOthers === 0) {
// Distribute equally among other unlocked sources
const equalShare = Math.floor(availableForOthers / otherUnlockedSources.length);
const remainder = availableForOthers - (equalShare * otherUnlockedSources.length);
otherUnlockedSources.forEach((fs, index) => {
const newPercentage = equalShare + (index < remainder ? 1 : 0);
result.push({ id: fs.id, newPercentage });
});
} else {
// Distribute proportionally
const scale = availableForOthers / currentOtherTotal;
let distributedTotal = 0;
otherUnlockedSources.forEach((fs, index) => {
let newPercentage;
if (index === otherUnlockedSources.length - 1) {
// Last item gets remainder to ensure exact total
newPercentage = availableForOthers - distributedTotal;
} else {
newPercentage = Math.round(fs.percentage * scale);
distributedTotal += newPercentage;
}
result.push({ id: fs.id, newPercentage });
});
}
return result;
}
applyValidatedChanges(validationResult) {
if (!validationResult.isValid) {
return false;
}
// Apply all percentage changes
validationResult.affectedSources.forEach(change => {
const source = this.foodSources.find(fs => fs.id === change.id);
if (source) {
source.percentage = change.newPercentage;
}
});
return true;
}
refreshAllPercentageUI() {
this.foodSources.forEach(fs => {
// Update all UI elements from single source of truth
const slider = document.getElementById(`percentage-slider-${fs.id}`);
const input = document.getElementById(`percentage-input-${fs.id}`);
const display = document.getElementById(`percentage-display-${fs.id}`);
if (slider) slider.value = fs.percentage;
if (input) input.value = fs.percentage;
if (display) display.textContent = `${fs.percentage}%`;
// Update constraints and disabled states
this.updateSliderConstraints(fs);
});
// Update food calculations
this.updateFoodCalculations();
}
updateSliderConstraints(foodSource) {
const slider = document.getElementById(`percentage-slider-${foodSource.id}`);
const input = document.getElementById(`percentage-input-${foodSource.id}`);
if (!slider || !input) return;
// Always keep 0-100 scale
slider.max = 100;
input.max = 100;
if (foodSource.isLocked) {
slider.disabled = true;
input.disabled = true;
} else {
// Calculate maximum allowed and store for validation
const maxAllowed = this.calculateMaxAllowed(foodSource.id);
slider.disabled = (maxAllowed <= 0);
input.disabled = (maxAllowed <= 0);
slider.dataset.maxAllowed = maxAllowed;
input.dataset.maxAllowed = maxAllowed;
}
}
calculateMaxAllowed(sourceId) {
const lockedSources = this.foodSources.filter(fs => fs.id !== sourceId && fs.isLocked);
const otherUnlockedSources = this.foodSources.filter(fs => fs.id !== sourceId && !fs.isLocked);
const totalLocked = lockedSources.reduce((sum, fs) => sum + fs.percentage, 0);
// If this is the only unlocked source, it must take up the remainder
if (otherUnlockedSources.length === 0) {
return 100 - totalLocked;
}
// Otherwise, maximum is 100 minus locked percentages
return Math.max(0, 100 - totalLocked);
}
updateFoodSourceNames() {
this.foodSources.forEach((fs, index) => {
fs.name = `Food Source ${index + 1}`;
const titleElement = document.getElementById(`food-title-${fs.id}`);
if (titleElement) {
titleElement.textContent = fs.name;
}
});
}
updateAddButton() {
const addBtn = document.getElementById('addFoodBtn');
const countSpan = document.getElementById('foodSourceCount');
if (addBtn) {
const remaining = this.maxFoodSources - this.foodSources.length;
addBtn.disabled = remaining <= 0;
if (countSpan) {
if (remaining > 0) {
countSpan.textContent = `(${remaining} of ${this.maxFoodSources} remaining)`;
} else {
countSpan.textContent = `(maximum ${this.maxFoodSources} reached)`;
}
}
}
}
renderFoodSource(foodSource) {
const container = document.getElementById('foodSources');
if (!container) return;
const cardHTML = `
<div class="dog-calculator-food-source-card" id="foodSource-${foodSource.id}">
<div class="dog-calculator-food-source-header">
<h4 class="dog-calculator-food-source-title" id="food-title-${foodSource.id}">${foodSource.name}</h4>
${this.foodSources.length > 1 ? `<button class="dog-calculator-remove-food-btn" id="remove-${foodSource.id}" type="button" title="Remove this food source">×</button>` : ''}
</div>
<div class="dog-calculator-input-group">
<div class="dog-calculator-form-group">
<label for="energy-${foodSource.id}">Food Energy Content:</label>
<input type="number" id="energy-${foodSource.id}" min="1" step="1" placeholder="Enter energy content" value="${foodSource.energy}">
<div id="energy-error-${foodSource.id}" class="dog-calculator-error dog-calculator-hidden">Please enter a valid energy content</div>
</div>
<div class="dog-calculator-form-group">
<label for="energy-unit-${foodSource.id}">Unit:</label>
<select id="energy-unit-${foodSource.id}" class="dog-calculator-unit-select">
<option value="kcal100g" ${foodSource.energyUnit === 'kcal100g' ? 'selected' : ''}>kcal/100g</option>
<option value="kcalkg" ${foodSource.energyUnit === 'kcalkg' ? 'selected' : ''}>kcal/kg</option>
<option value="kcalcup" ${foodSource.energyUnit === 'kcalcup' ? 'selected' : ''}>kcal/cup</option>
<option value="kcalcan" ${foodSource.energyUnit === 'kcalcan' ? 'selected' : ''}>kcal/can</option>
</select>
</div>
</div>
<div class="dog-calculator-percentage-group">
<label class="dog-calculator-percentage-label" for="percentage-slider-${foodSource.id}">
Percentage of Diet: <span id="percentage-display-${foodSource.id}">${foodSource.percentage}%</span>
<span class="dog-calculator-lock-icon unlocked" id="lock-${foodSource.id}" title="Lock this percentage">🔒</span>
</label>
<div class="dog-calculator-percentage-input-group">
<input type="range" id="percentage-slider-${foodSource.id}" class="dog-calculator-percentage-slider"
min="0" max="100" value="${foodSource.percentage}">
<input type="number" id="percentage-input-${foodSource.id}" class="dog-calculator-percentage-input"
min="0" max="100" value="${foodSource.percentage}">
</div>
</div>
</div>
`;
container.insertAdjacentHTML('beforeend', cardHTML);
// Bind events for the new food source
this.bindFoodSourceEvents(foodSource.id);
}
bindFoodSourceEvents(id) {
// Energy input events
const energyInput = document.getElementById(`energy-${id}`);
const energyUnitSelect = document.getElementById(`energy-unit-${id}`);
const percentageSlider = document.getElementById(`percentage-slider-${id}`);
const percentageInput = document.getElementById(`percentage-input-${id}`);
const removeBtn = document.getElementById(`remove-${id}`);
const lockBtn = document.getElementById(`lock-${id}`);
if (energyInput) {
energyInput.addEventListener('input', () => {
this.updateFoodSourceData(id, 'energy', energyInput.value);
this.updateFoodCalculations();
});
energyInput.addEventListener('blur', () => this.validateFoodSourceEnergy(id));
}
if (energyUnitSelect) {
energyUnitSelect.addEventListener('change', () => {
this.updateFoodSourceData(id, 'energyUnit', energyUnitSelect.value);
this.updateFoodCalculations();
});
}
if (percentageSlider) {
percentageSlider.addEventListener('input', () => {
const requestedValue = parseInt(percentageSlider.value);
const result = this.validatePercentageChange(id, requestedValue);
if (result.isValid) {
this.applyValidatedChanges(result);
}
// Always refresh to ensure valid state
this.refreshAllPercentageUI();
});
}
if (percentageInput) {
percentageInput.addEventListener('change', () => {
const requestedValue = parseInt(percentageInput.value) || 0;
const result = this.validatePercentageChange(id, requestedValue);
if (result.isValid) {
this.applyValidatedChanges(result);
}
this.refreshAllPercentageUI();
});
}
if (removeBtn) {
removeBtn.addEventListener('click', () => this.removeFoodSource(id));
}
if (lockBtn) {
lockBtn.addEventListener('click', () => this.toggleLock(id));
}
}
toggleLock(id) {
const foodSource = this.foodSources.find(fs => fs.id === id);
if (!foodSource) return;
// Check if we're trying to lock the last unlocked source
const unlockedSources = this.foodSources.filter(fs => !fs.isLocked);
if (unlockedSources.length === 1 && unlockedSources[0].id === id) {
// Cannot lock the last unlocked source
alert('At least one food source must remain flexible for percentage adjustments.');
return;
}
// Toggle lock state
foodSource.isLocked = !foodSource.isLocked;
this.updateLockIcon(id);
this.updateLockStates();
this.refreshAllPercentageUI();
}
updateLockIcon(id) {
const foodSource = this.foodSources.find(fs => fs.id === id);
const lockIcon = document.getElementById(`lock-${id}`);
if (!lockIcon || !foodSource) return;
if (foodSource.isLocked) {
lockIcon.classList.remove('unlocked');
lockIcon.classList.add('locked');
lockIcon.title = 'Unlock this percentage';
} else {
lockIcon.classList.remove('locked');
lockIcon.classList.add('unlocked');
lockIcon.title = 'Lock this percentage';
}
}
updateLockStates() {
const unlockedSources = this.foodSources.filter(fs => !fs.isLocked);
// Update lock icon states - disable lock for last unlocked source
this.foodSources.forEach(fs => {
const lockIcon = document.getElementById(`lock-${fs.id}`);
if (lockIcon) {
if (!fs.isLocked && unlockedSources.length === 1) {
lockIcon.classList.add('disabled');
lockIcon.title = 'Cannot lock - at least one source must remain flexible';
} else {
lockIcon.classList.remove('disabled');
lockIcon.title = fs.isLocked ? 'Unlock this percentage' : 'Lock this percentage';
}
}
});
// Update percentage constraints based on lock states
this.refreshAllPercentageUI();
}
updateFoodSourceData(id, field, value) {
const foodSource = this.foodSources.find(fs => fs.id === id);
if (foodSource) {
foodSource[field] = value;
}
}
validateFoodSourceEnergy(id) {
const energyInput = document.getElementById(`energy-${id}`);
const energyUnitSelect = document.getElementById(`energy-unit-${id}`);
const errorElement = document.getElementById(`energy-error-${id}`);
if (!energyInput || !energyUnitSelect || !errorElement) return;
const energy = parseFloat(energyInput.value);
const unit = energyUnitSelect.value;
let minValue = 1;
switch (unit) {
case 'kcal100g': minValue = 1; break;
case 'kcalkg': minValue = 10; break;
case 'kcalcup': minValue = 50; break;
case 'kcalcan': minValue = 100; break;
}
if (!this.validateInput(energy, minValue)) {
errorElement.classList.remove('dog-calculator-hidden');
} else {
errorElement.classList.add('dog-calculator-hidden');
}
}
bindEvents() {
const weightInput = document.getElementById('weight');
const dogTypeSelect = document.getElementById('dogType');
const daysInput = document.getElementById('days');
const unitSelect = document.getElementById('unit');
const unitToggle = document.getElementById('unitToggle');
const addFoodBtn = document.getElementById('addFoodBtn');
if (weightInput) {
weightInput.addEventListener('input', () => this.updateCalorieCalculations());
weightInput.addEventListener('blur', () => this.validateWeight());
}
if (dogTypeSelect) dogTypeSelect.addEventListener('change', () => this.updateCalorieCalculations());
if (daysInput) {
daysInput.addEventListener('input', () => this.updateFoodCalculations());
daysInput.addEventListener('blur', () => this.validateDays());
}
if (unitSelect) unitSelect.addEventListener('change', () => this.updateFoodCalculations());
if (unitToggle) unitToggle.addEventListener('change', () => this.toggleUnits());
if (addFoodBtn) addFoodBtn.addEventListener('click', () => this.addFoodSource());
// Modal event listeners
const shareBtn = document.getElementById('shareBtn');
const embedBtn = document.getElementById('embedBtn');
const shareModalClose = document.getElementById('shareModalClose');
const embedModalClose = document.getElementById('embedModalClose');
if (shareBtn) shareBtn.addEventListener('click', () => this.showShareModal());
if (embedBtn) embedBtn.addEventListener('click', () => this.showEmbedModal());
if (shareModalClose) shareModalClose.addEventListener('click', () => this.hideShareModal());
if (embedModalClose) embedModalClose.addEventListener('click', () => this.hideEmbedModal());
// Share buttons
const shareFacebook = document.getElementById('shareFacebook');
const shareTwitter = document.getElementById('shareTwitter');
const shareLinkedIn = document.getElementById('shareLinkedIn');
const shareEmail = document.getElementById('shareEmail');
const shareCopy = document.getElementById('shareCopy');
if (shareFacebook) shareFacebook.addEventListener('click', () => this.shareToFacebook());
if (shareTwitter) shareTwitter.addEventListener('click', () => this.shareToTwitter());
if (shareLinkedIn) shareLinkedIn.addEventListener('click', () => this.shareToLinkedIn());
if (shareEmail) shareEmail.addEventListener('click', () => this.shareViaEmail());
if (shareCopy) shareCopy.addEventListener('click', () => this.copyShareLink());
// Copy buttons
const copyWidget = document.getElementById('copyWidget');
const copyIframe = document.getElementById('copyIframe');
if (copyWidget) copyWidget.addEventListener('click', () => this.copyEmbedCode('widget'));
if (copyIframe) copyIframe.addEventListener('click', () => this.copyEmbedCode('iframe'));
// Close modals on outside click
const shareModal = document.getElementById('shareModal');
const embedModal = document.getElementById('embedModal');
if (shareModal) {
shareModal.addEventListener('click', (e) => {
if (e.target === shareModal) this.hideShareModal();
});
}
if (embedModal) {
embedModal.addEventListener('click', (e) => {
if (e.target === embedModal) this.hideEmbedModal();
});
}
}
toggleUnits() {
const toggle = document.getElementById('unitToggle');
this.isImperial = toggle.checked;
this.updateUnitLabels();
this.convertExistingValues();
this.updateCalorieCalculations();
}
updateUnitLabels() {
const metricLabel = document.getElementById('metricLabel');
const imperialLabel = document.getElementById('imperialLabel');
const weightLabel = document.getElementById('weightLabel');
const weightInput = document.getElementById('weight');
const unitSelect = document.getElementById('unit');
if (metricLabel && imperialLabel) {
metricLabel.classList.toggle('active', !this.isImperial);
imperialLabel.classList.toggle('active', this.isImperial);
}
if (this.isImperial) {
if (weightLabel) weightLabel.textContent = "Dog's Weight (lbs):";
if (weightInput) {
weightInput.placeholder = "Enter weight in lbs";
weightInput.min = "0.2";
weightInput.step = "0.1";
}
if (unitSelect) {
unitSelect.innerHTML = '<option value="oz">ounces (oz)</option>' +
'<option value="lb">pounds (lb)</option>' +
'<option value="g">grams (g)</option>' +
'<option value="kg">kilograms (kg)</option>';
}
// Update energy units for all food sources to kcal/cup for imperial
this.foodSources.forEach(fs => {
if (fs.energyUnit === 'kcal100g') {
fs.energyUnit = 'kcalcup';
const energyUnitSelect = document.getElementById(`energy-unit-${fs.id}`);
if (energyUnitSelect) {
energyUnitSelect.value = 'kcalcup';
}
}
});
} else {
if (weightLabel) weightLabel.textContent = "Dog's Weight (kg):";
if (weightInput) {
weightInput.placeholder = "Enter weight in kg";
weightInput.min = "0.1";
weightInput.step = "0.1";
}
if (unitSelect) {
unitSelect.innerHTML = '<option value="g">grams (g)</option>' +
'<option value="kg">kilograms (kg)</option>' +
'<option value="oz">ounces (oz)</option>' +
'<option value="lb">pounds (lb)</option>';
}
// Update energy units for all food sources to kcal/100g for metric
this.foodSources.forEach(fs => {
if (fs.energyUnit === 'kcalcup') {
fs.energyUnit = 'kcal100g';
const energyUnitSelect = document.getElementById(`energy-unit-${fs.id}`);
if (energyUnitSelect) {
energyUnitSelect.value = 'kcal100g';
}
}
});
}
}
convertExistingValues() {
const weightInput = document.getElementById('weight');
if (weightInput && weightInput.value) {
const currentWeight = parseFloat(weightInput.value);
if (!isNaN(currentWeight)) {
if (this.isImperial) {
weightInput.value = this.formatNumber(currentWeight * 2.20462, 1);
} else {
weightInput.value = this.formatNumber(currentWeight / 2.20462, 1);
}
}
}
}
getWeightInKg() {
const weightInput = document.getElementById('weight');
if (!weightInput || !weightInput.value) return null;
const weight = parseFloat(weightInput.value);
if (isNaN(weight)) return null;
return this.isImperial ? weight / 2.20462 : weight;
}
calculateRER(weightKg) {
return 70 * Math.pow(weightKg, 0.75);
}
calculateMER(rer, factor) {
return rer * factor;
}
validateInput(value, min = 0, isInteger = false) {
const num = parseFloat(value);
if (isNaN(num) || num < min) return false;
if (isInteger && !Number.isInteger(num)) return false;
return true;
}
showError(elementId, show = true) {
const errorElement = document.getElementById(elementId);
if (errorElement) {
if (show) {
errorElement.classList.remove('dog-calculator-hidden');
} else {
errorElement.classList.add('dog-calculator-hidden');
}
}
}
convertUnits(grams, unit) {
switch (unit) {
case 'kg':
return grams / 1000;
case 'oz':
return grams / 28.3495;
case 'lb':
return grams / 453.592;
default:
return grams;
}
}
formatNumber(num, decimals = 0) {
if (decimals === 0) {
return Math.round(num).toString();
}
return num.toFixed(decimals).replace(/\.?0+$/, '');
}
validateWeight() {
const weightKg = this.getWeightInKg();
if (weightKg !== null && weightKg < 0.1) {
this.showError('weightError', true);
} else {
this.showError('weightError', false);
}
}
validateDays() {
const days = document.getElementById('days')?.value;
if (days && !this.validateInput(days, 1, true)) {
this.showError('daysError', true);
} else {
this.showError('daysError', false);
}
}
updateCalorieCalculations() {
const dogTypeSelect = document.getElementById('dogType');
const calorieResults = document.getElementById('calorieResults');
const rerValue = document.getElementById('rerValue');
const merValue = document.getElementById('merValue');
if (!dogTypeSelect || !calorieResults || !rerValue || !merValue) {
return;
}
const weightKg = this.getWeightInKg();
const dogTypeFactor = dogTypeSelect.value;
this.showError('weightError', false);
if (!weightKg || weightKg < 0.1) {
const weightInput = document.getElementById('weight');
if (weightInput && weightInput.value) this.showError('weightError', true);
calorieResults.style.display = 'none';
return;
}
if (!dogTypeFactor) {
calorieResults.style.display = 'none';
return;
}
const factor = parseFloat(dogTypeFactor);
const rer = this.calculateRER(weightKg);
const mer = this.calculateMER(rer, factor);
this.currentMER = mer;
rerValue.textContent = this.formatNumber(rer, 0) + ' cal/day';
merValue.textContent = this.formatNumber(mer, 0) + ' cal/day';
calorieResults.style.display = 'block';
this.updateFoodCalculations();
this.sendHeightToParent();
}
updateFoodCalculations() {
if (this.currentMER === 0) return;
const daysInput = document.getElementById('days');
const unitSelect = document.getElementById('unit');
const dailyFoodResults = document.getElementById('dailyFoodResults');
const dailyFoodValue = document.getElementById('dailyFoodValue');
const totalFoodDisplay = document.getElementById('totalFoodDisplay');
const foodBreakdownResults = document.getElementById('foodBreakdownResults');
const foodBreakdownList = document.getElementById('foodBreakdownList');
if (!daysInput || !unitSelect || !dailyFoodResults || !dailyFoodValue || !totalFoodDisplay) {
return;
}
const days = daysInput.value;
const unit = unitSelect.value;
// Clear all food source errors first
this.foodSources.forEach(fs => {
this.showError(`energy-error-${fs.id}`, false);
});
this.showError('daysError', false);
// Validate days input
if (!days || !this.validateInput(days, 1, true)) {
if (days) this.showError('daysError', true);
totalFoodDisplay.value = '';
dailyFoodResults.style.display = 'none';
if (foodBreakdownResults) foodBreakdownResults.style.display = 'none';
return;
}
const numDays = parseInt(days);
// Calculate per-food breakdown
const foodBreakdowns = [];
let totalDailyGrams = 0;
let hasValidFoods = false;
this.foodSources.forEach(fs => {
const energyPer100g = this.getFoodSourceEnergyPer100g(fs);
if (energyPer100g && energyPer100g > 0.1 && fs.percentage > 0) {
const dailyCaloriesForThisFood = (this.currentMER * fs.percentage) / 100;
const dailyGramsForThisFood = (dailyCaloriesForThisFood / energyPer100g) * 100;
foodBreakdowns.push({
name: fs.name,
percentage: fs.percentage,
dailyGrams: dailyGramsForThisFood,
calories: dailyCaloriesForThisFood,
isLocked: fs.isLocked
});
totalDailyGrams += dailyGramsForThisFood;
hasValidFoods = true;
}
});
if (!hasValidFoods) {
// Show errors for invalid food sources
this.foodSources.forEach(fs => {
const energyInput = document.getElementById(`energy-${fs.id}`);
if (energyInput && energyInput.value && (!this.getFoodSourceEnergyPer100g(fs) || this.getFoodSourceEnergyPer100g(fs) <= 0.1)) {
this.showError(`energy-error-${fs.id}`, true);
}
});
dailyFoodResults.style.display = 'none';
if (foodBreakdownResults) foodBreakdownResults.style.display = 'none';
totalFoodDisplay.value = '';
return;
}
// Update daily food results (total)
dailyFoodValue.textContent = this.formatNumber(totalDailyGrams, 1) + ' g/day';
dailyFoodResults.style.display = 'block';
// Update per-food breakdown
if (foodBreakdownList && foodBreakdowns.length > 1) {
const breakdownHTML = foodBreakdowns.map(breakdown => `
<div class="dog-calculator-food-result-item">
<span class="dog-calculator-food-result-label">${breakdown.name} (${breakdown.percentage}%${breakdown.isLocked ? ' - locked' : ''}):</span>
<span class="dog-calculator-food-result-value">${this.formatNumber(breakdown.dailyGrams, 1)} g/day</span>
</div>
`).join('');
foodBreakdownList.innerHTML = breakdownHTML;
if (foodBreakdownResults) foodBreakdownResults.style.display = 'block';
} else {
if (foodBreakdownResults) foodBreakdownResults.style.display = 'none';
}
// Calculate total food amount for the specified days
const totalFoodGrams = totalDailyGrams * numDays;
const convertedAmount = this.convertUnits(totalFoodGrams, unit);
const unitLabel = unit === 'g' ? 'g' : unit === 'kg' ? 'kg' : unit === 'oz' ? 'oz' : 'lb';
const decimals = unit === 'g' ? 0 : unit === 'kg' ? 2 : 1;
totalFoodDisplay.value = this.formatNumber(convertedAmount, decimals) + ' ' + unitLabel;
this.sendHeightToParent();
}
getFoodSourceEnergyPer100g(foodSource) {
if (!foodSource.energy || !foodSource.energyUnit) return null;
const energy = parseFloat(foodSource.energy);
if (isNaN(energy)) return null;
const unit = foodSource.energyUnit;
// Convert all units to kcal/100g for internal calculations
switch (unit) {
case 'kcal100g':
return energy;
case 'kcalkg':
return energy / 10; // 1 kg = 10 × 100g
case 'kcalcup':
return energy / 1.2; // Assume 1 cup ≈ 120g for dry dog food
case 'kcalcan':
return energy / 4.5; // Assume 1 can ≈ 450g for wet dog food
default:
return energy;
}
}
setupIframeResize() {
// Send height to parent window for iframe auto-resize
this.sendHeightToParent();
// Monitor for content changes that might affect height
const observer = new MutationObserver(() => {
setTimeout(() => this.sendHeightToParent(), 100);
});
observer.observe(document.body, {
childList: true,
subtree: true,
attributes: true
});
// Send height on window resize
window.addEventListener('resize', () => this.sendHeightToParent());
}
sendHeightToParent() {
const height = Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);
if (window.parent && window.parent !== window) {
window.parent.postMessage({
type: 'dogCalculatorResize',
height: height
}, '*');
}
}
// Modal functionality
showShareModal() {
const modal = document.getElementById('shareModal');
const shareUrl = document.getElementById('shareUrl');
if (modal && shareUrl) {
shareUrl.value = window.location.href;
modal.style.display = 'block';
}
}
hideShareModal() {
const modal = document.getElementById('shareModal');
if (modal) modal.style.display = 'none';
}
showEmbedModal() {
const modal = document.getElementById('embedModal');
const widgetCode = document.getElementById('widgetCode');
const iframeCode = document.getElementById('iframeCode');
if (modal && widgetCode && iframeCode) {
// Build embed URL
const baseUrl = window.location.protocol + '//embed.' + window.location.hostname;
// Create widget code using createElement to avoid quote issues
const scriptTag = document.createElement('script');
scriptTag.src = baseUrl + '/dog-calorie-calculator/dog-food-calculator-widget.js';
const divTag = document.createElement('div');
divTag.id = 'dog-calorie-calculator';
const widgetHtml = scriptTag.outerHTML + '\n' + divTag.outerHTML;
widgetCode.textContent = widgetHtml;
// Create iframe code using createElement
const iframe = document.createElement('iframe');
iframe.src = baseUrl + '/dog-calorie-calculator/iframe.html';
iframe.width = '100%';
iframe.height = '600';
iframe.frameBorder = '0';
iframe.title = 'Dog Calorie Calculator';
iframeCode.textContent = iframe.outerHTML;
modal.style.display = 'block';
}
}
hideEmbedModal() {
const modal = document.getElementById('embedModal');
if (modal) modal.style.display = 'none';
}
shareToFacebook() {
const url = encodeURIComponent(window.location.href);
window.open('https://www.facebook.com/sharer/sharer.php?u=' + url, '_blank', 'width=600,height=400');
}
shareToTwitter() {
const url = encodeURIComponent(window.location.href);
const text = encodeURIComponent('Check out this useful dog calorie calculator!');
window.open('https://twitter.com/intent/tweet?url=' + url + '&text=' + text, '_blank', 'width=600,height=400');
}
shareToLinkedIn() {
const url = encodeURIComponent(window.location.href);
window.open('https://www.linkedin.com/sharing/share-offsite/?url=' + url, '_blank', 'width=600,height=400');
}
shareViaEmail() {
const subject = encodeURIComponent('Dog Calorie Calculator');
const body = encodeURIComponent('Check out this useful dog calorie calculator: ' + window.location.href);
window.location.href = 'mailto:?subject=' + subject + '&body=' + body;
}
async copyShareLink() {
const shareUrl = document.getElementById('shareUrl');
const copyBtn = document.getElementById('shareCopy');
if (shareUrl && copyBtn) {
try {
await navigator.clipboard.writeText(shareUrl.value);
const originalText = copyBtn.textContent;
copyBtn.textContent = 'Copied!';
copyBtn.classList.add('copied');
setTimeout(() => {
copyBtn.textContent = originalText;
copyBtn.classList.remove('copied');
}, 2000);
} catch (err) {
// Fallback for older browsers
shareUrl.select();
document.execCommand('copy');
}
}
}
async copyEmbedCode(type) {
const codeElement = document.getElementById(type === 'widget' ? 'widgetCode' : 'iframeCode');
const copyBtn = document.getElementById(type === 'widget' ? 'copyWidget' : 'copyIframe');
if (codeElement && copyBtn) {
try {
await navigator.clipboard.writeText(codeElement.textContent);
const originalText = copyBtn.textContent;
copyBtn.textContent = 'Copied!';
copyBtn.classList.add('copied');
setTimeout(() => {
copyBtn.textContent = originalText;
copyBtn.classList.remove('copied');
}, 2000);
} catch (err) {
// Fallback for older browsers
console.log('Copy fallback needed');
}
}
}
}
// Initialize calculator when DOM is ready
document.addEventListener('DOMContentLoaded', function() {
new DogCalorieCalculator();
});
</script>
</body>
</html>