/**
 * Advanced Prompt Optimizer - Public Styles
 */

.apg-optimizer-container {
    font-family: var(--apg-optimizer-font-family, system-ui, -apple-system, sans-serif);
    font-size: var(--apg-optimizer-font-size, 16px);
    color: var(--apg-optimizer-text-color, #333333);
    background: var(--apg-optimizer-background-color, #ffffff);
    border-radius: var(--apg-optimizer-border-radius, 12px);
    box-shadow: var(--apg-optimizer-box-shadow, 0 4px 20px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.06));
    margin: var(--apg-optimizer-margin, 16px) 0;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.06);
    position: relative;
    max-width: 100%; /* Ensure container doesn't exceed viewport width */
    box-sizing: border-box; /* Include padding and border in width calculation */
}

/* Main Form Styles */
.apg-optimizer-main-form {
    padding: var(--apg-optimizer-padding, 24px);
    border-bottom: 1px solid var(--apg-optimizer-border-color, #e1e5e9);
    background: var(--apg-optimizer-background-color, #ffffff); /* Changed to solid background */
    position: relative;
}

.apg-optimizer-input-group {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.apg-optimizer-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.apg-optimizer-label {
    font-weight: 600;
    color: var(--apg-optimizer-text-color, #333333);
    margin-bottom: 4px;
}

.apg-optimizer-input-field {
    width: 100%;
    max-width: 100%;
    padding: 12px;
    border: 2px solid var(--apg-optimizer-border-color, #e1e5e9);
    border-radius: var(--apg-optimizer-border-radius, 8px);
    font-family: inherit;
    font-size: var(--apg-optimizer-font-size, 16px);
    line-height: 1.5;
    resize: vertical;
    min-height: 100px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box !important;
    overflow: hidden;
    word-wrap: break-word;
}

.apg-optimizer-input-field:focus {
    outline: none !important;
    border-color: var(--apg-optimizer-primary-color, #be1e2d) !important;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--apg-optimizer-primary-color, #be1e2d) 25%, transparent) !important;
}

.apg-optimizer-input-field::placeholder {
    color: #999;
}

.apg-optimizer-controls {
    display: flex;
    gap: 16px;
    align-items: end;
    flex-wrap: wrap;
}

.apg-optimizer-controls .apg-optimizer-field {
    flex: 1;
    min-width: 200px;
}

.apg-optimizer-style-select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--apg-optimizer-border-color, #e1e5e9);
    border-radius: var(--apg-optimizer-border-radius, 8px);
    font-family: inherit;
    font-size: var(--apg-optimizer-font-size, 16px);
    background: white;
    cursor: pointer;
}

.apg-optimizer-style-select:focus {
    outline: none !important;
    border-color: var(--apg-optimizer-primary-color, #be1e2d) !important;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--apg-optimizer-primary-color, #be1e2d) 25%, transparent) !important;
}

/* Button Styles */
.apg-optimizer-btn {
    background: var(--apg-optimizer-primary-color, #be1e2d) !important; /* Force primary color */
    color: var(--apg-optimizer-button-text, #ffffff) !important;
    border: none !important;
    border-radius: var(--apg-optimizer-border-radius, 8px);
    padding: 12px 24px;
    font-family: inherit;
    font-size: var(--apg-optimizer-font-size, 16px);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 150px;
    justify-content: center;
    transition: background-color 0.2s ease, transform 0.1s ease;
    white-space: nowrap;
}

.apg-optimizer-btn:hover:not(:disabled) {
    background: var(--apg-optimizer-button-hover-bg, #2a2a2a) !important;
    transform: translateY(-1px);
}

.apg-optimizer-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Force all buttons in the optimizer to use proper colors */
.apg-optimizer-container button,
.apg-optimizer-container input[type="button"],
.apg-optimizer-container input[type="submit"] {
    background: var(--apg-optimizer-secondary-color, #2a2a2a) !important;
    color: var(--apg-optimizer-button-text, #ffffff) !important;
    border: none !important;
}

.apg-optimizer-container button:hover:not(:disabled),
.apg-optimizer-container input[type="button"]:hover:not(:disabled),
.apg-optimizer-container input[type="submit"]:hover:not(:disabled) {
    background: var(--apg-optimizer-button-hover-bg, #2a2a2a) !important; /* This should be a darker shade of #2a2a2a or a distinct hover color if secondary is #2a2a2a */
}

.apg-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Results Section */
.apg-optimizer-results {
    display: flex;
    background: var(--apg-optimizer-background-color, #ffffff); /* Changed to solid background */
    border-top: 1px solid var(--apg-optimizer-border-color, #e1e5e9);
    opacity: 1;
    transform: translateY(0);
    min-height: 600px;
    position: relative;
}

.apg-optimizer-results.apg-fade-in {
    animation: apg-fade-in 0.5s ease forwards;
}

.apg-optimizer-results-main {
    flex: 2;
    padding: var(--apg-optimizer-padding, 24px);
    background: var(--apg-optimizer-background-color, #ffffff); /* Changed to solid background */
    border-radius: 12px 0 0 0;
    position: relative;
}

.apg-optimizer-sidebar {
    flex: 0 0 320px;
    background: var(--apg-optimizer-background-color, #ffffff); /* Changed to solid background */
    padding: var(--apg-optimizer-padding, 24px);
    border-left: 1px solid var(--apg-optimizer-border-color, #e1e5e9);
    border-radius: 0 0 12px 0;
    box-shadow: -2px 0 20px rgba(0, 0, 0, 0.08);
    position: -webkit-sticky; /* Safari support */
    position: sticky;
    top: 20px;
    align-self: flex-start;
    max-height: calc(100vh - 40px); /* Ensures sidebar content can scroll if it's too long */
    overflow-y: auto; /* Allows internal scrolling for sidebar content */
    transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    z-index: 10; /* Ensure it stays above other content */
}

/* Styling adjustments when improvement questions are active (mostly a state hook) */
.apg-optimizer-sidebar.apg-improvement-active {
    /* This class is now primarily a state indicator.
       Stickiness/static behavior is controlled by the base .apg-optimizer-sidebar styles
       and the media queries below for smaller screens.
       No need to force position:static or transition:none here for large screens. */
}

/* Custom scrollbar for sidebar */
.apg-optimizer-sidebar::-webkit-scrollbar {
    width: 6px;
}

.apg-optimizer-sidebar::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 3px;
}

.apg-optimizer-sidebar::-webkit-scrollbar-thumb {
    background: var(--apg-optimizer-primary-color, #be1e2d);
    border-radius: 3px;
}

.apg-optimizer-sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--apg-optimizer-button-hover-bg, #2a2a2a);
}

/* Sidebar focus states */
.apg-optimizer-sidebar:hover {
    box-shadow: -2px 0 25px rgba(0, 0, 0, 0.12);
}

.apg-optimizer-sidebar:focus-within {
    box-shadow: -2px 0 30px rgba(190, 30, 45, 0.15); /* Adjusted shadow to match new primary color */
}

.apg-optimizer-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--apg-optimizer-border-color, #e1e5e9);
}

.apg-optimizer-result-header h3 {
    margin: 0;
    color: var(--apg-optimizer-text-color, #333333);
    font-size: 1.25rem;
}

.apg-optimizer-result-actions {
    display: flex;
    gap: 8px;
}

.apg-copy-btn,
.apg-thumb-up-btn,
.apg-thumb-down-btn {
    background: transparent !important; /* Ensure override */
    border: 1px solid var(--apg-optimizer-border-color, #e1e5e9) !important; /* Ensure override */
    border-radius: var(--apg-optimizer-border-radius, 8px);
    padding: 8px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--apg-optimizer-text-color, #333333) !important; /* Ensure override */
    transition: all 0.2s ease;
    font-weight: 500;
}

.apg-copy-btn { /* Specific style for copy button */
    background: color-mix(in srgb, var(--apg-optimizer-primary-color, #be1e2d) 5%, var(--apg-optimizer-background-color, #ffffff) 95%) !important;
    border-color: color-mix(in srgb, var(--apg-optimizer-primary-color, #be1e2d) 20%, transparent 80%) !important;
    color: var(--apg-optimizer-primary-color, #be1e2d) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.apg-copy-btn:hover,
.apg-thumb-up-btn:hover,
.apg-thumb-down-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.apg-copy-btn:hover {
    background: var(--apg-optimizer-primary-color, #be1e2d) !important;
    color: var(--apg-optimizer-button-text, #ffffff) !important;
    border-color: var(--apg-optimizer-primary-color, #be1e2d) !important;
}

.apg-thumb-up-btn:hover {
    background-color: color-mix(in srgb, #10b981 10%, transparent 90%) !important;
    border-color: #10b981 !important;
    color: #10b981 !important;
}

.apg-thumb-down-btn:hover {
    background-color: color-mix(in srgb, #dc2626 10%, transparent 90%) !important;
    border-color: #dc2626 !important;
    color: #dc2626 !important;
}

.apg-copy-icon,
.apg-thumb-up-icon,
.apg-thumb-down-icon {
    font-size: 16px;
}

.apg-thumb-up-btn.active,
.apg-thumb-down-btn.active {
    color: #fff !important; /* White text for active state */
}

.apg-thumb-up-btn.active {
    background-color: #10b981 !important; /* Solid success color for active */
    border-color: #10b981 !important;
}

.apg-thumb-down-btn.active {
    background-color: #dc2626 !important; /* Solid error color for active */
    border-color: #dc2626 !important;
}

.apg-copy-btn.apg-copy-success {
    background: var(--apg-optimizer-secondary-color, #2a2a2a) !important;
    color: var(--apg-optimizer-button-text, #ffffff) !important;
    border-color: var(--apg-optimizer-secondary-color, #2a2a2a) !important;
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(42, 42, 42, 0.3); /* Adjusted shadow to match new secondary color */
}

.apg-optimizer-result-content {
    background: var(--apg-optimizer-background-color, #ffffff);
    border: 1px solid color-mix(in srgb, var(--apg-optimizer-border-color, #e1e5e9) 70%, transparent 30%);
    border-radius: var(--apg-optimizer-border-radius, 8px);
    padding: 20px;
    margin-bottom: 24px;
}

.apg-optimized-prompt {
    line-height: 1.6;
    white-space: pre-wrap;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: 14px;
    color: var(--apg-optimizer-text-color, #333333);
}

/* Comparison Section */
.apg-optimizer-comparison {
    margin-bottom: 24px;
}

.apg-optimizer-comparison h4 {
    margin: 0 0 16px 0;
    color: var(--apg-optimizer-text-color, #333333);
    font-size: 1.1rem;
}

.apg-comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.apg-comparison-original,
.apg-comparison-optimized {
    background: var(--apg-optimizer-background-color, #ffffff);
    border: 1px solid color-mix(in srgb, var(--apg-optimizer-border-color, #e1e5e9) 70%, transparent 30%);
    border-radius: var(--apg-optimizer-border-radius, 8px);
    padding: 16px;
}

.apg-comparison-original h5,
.apg-comparison-optimized h5 {
    margin: 0 0 12px 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.apg-original-text,
.apg-optimized-text {
    font-size: 14px;
    line-height: 1.5;
    color: var(--apg-optimizer-text-color, #333333);
    white-space: pre-wrap;
}

/* Sidebar Styles */
.apg-optimizer-actions {
    margin-bottom: 24px;
    padding: 20px;
    background: color-mix(in srgb, var(--apg-optimizer-background-color, #ffffff) 98%, var(--apg-optimizer-secondary-color, #2a2a2a) 2%);
    border: 1px solid color-mix(in srgb, var(--apg-optimizer-border-color, #e1e5e9) 70%, transparent 30%);
    border-radius: var(--apg-optimizer-border-radius, 8px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.apg-optimizer-actions button {
    width: 100%;
    margin-bottom: 16px;
}

.apg-optimizer-actions button:last-child {
    margin-bottom: 0;
}

.apg-optimizer-reoptimize-btn,
.apg-optimizer-new-btn {
    background: var(--apg-optimizer-primary-color, #be1e2d);
    color: var(--apg-optimizer-button-text, #ffffff);
    border: none;
    border-radius: var(--apg-optimizer-border-radius, 8px);
    padding: 14px 20px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
}

.apg-optimizer-reoptimize-btn:hover,
.apg-optimizer-new-btn:hover {
    background: var(--apg-optimizer-button-hover-bg, #2a2a2a);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.apg-optimizer-reoptimize-btn::before,
.apg-optimizer-new-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.apg-optimizer-reoptimize-btn:hover::before,
.apg-optimizer-new-btn:hover::before {
    left: 100%;
}

.apg-optimizer-reoptimize-btn:active,
.apg-optimizer-new-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Improvement Section Styles */
.apg-improvement-section {
    background: color-mix(in srgb, var(--apg-optimizer-background-color, #ffffff) 98%, var(--apg-optimizer-secondary-color, #2a2a2a) 2%);
    border: 1px solid color-mix(in srgb, var(--apg-optimizer-border-color, #e1e5e9) 70%, transparent 30%);
    border-radius: var(--apg-optimizer-border-radius, 8px);
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.apg-improvement-header h4 {
    margin: 0 0 8px 0;
    color: var(--apg-optimizer-text-color, #333333);
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.apg-improvement-header h4::before {
    content: '🚀';
    font-size: 1.2em;
}

.apg-improvement-header p {
    margin: 0 0 16px 0;
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

.apg-improve-btn {
    background: var(--apg-optimizer-primary-color, #be1e2d);
    color: var(--apg-optimizer-button-text, #ffffff);
    border: none;
    border-radius: var(--apg-optimizer-border-radius, 8px);
    padding: 12px 20px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--apg-optimizer-primary-color, #be1e2d) 30%, transparent 70%);
    position: relative;
    overflow: hidden;
}

.apg-improve-btn:hover:not(:disabled) {
    background: var(--apg-optimizer-button-hover-bg, #2a2a2a);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px color-mix(in srgb, var(--apg-optimizer-primary-color, #be1e2d) 40%, transparent 60%);
}

.apg-improve-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.apg-improvement-form {
    /* Base styles for when the form is visible or transitioning to visible */
    opacity: 1;
    visibility: visible;
    max-height: 1000px; /* Adjust as needed, large enough for content */
    overflow: hidden; /* Changed from visible to hidden to work with max-height transition */
    transition: opacity 0.3s ease, max-height 0.3s ease-in;
    margin-top: 16px;
}

.apg-improvement-form-hidden {
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    pointer-events: none;
    margin-top: 16px; /* Keep margin consistent to avoid jump if it's part of layout */
    transition: opacity 0.3s ease, max-height 0.3s ease-out;
}

.apg-improvement-questions {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 20px;
}

.apg-improvement-questions.apg-loading-questions {
    min-height: 150px; /* Adjust based on typical content or desired placeholder size */
    display: flex;
    align-items: center;
    justify-content: center;
    /* Basic spinner, can be enhanced */
}

.apg-improvement-questions.apg-loading-questions::before {
    content: '';
    display: block;
    width: 24px;
    height: 24px;
    border: 3px solid rgba(0,0,0,0.1);
    border-top-color: var(--apg-optimizer-primary-color, #be1e2d);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.apg-question {
    background: var(--apg-optimizer-background-color, #ffffff);
    border: 1px solid color-mix(in srgb, var(--apg-optimizer-border-color, #e1e5e9) 70%, transparent 30%);
    border-radius: var(--apg-optimizer-border-radius, 8px);
    padding: 16px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.apg-question:focus-within {
    border-color: var(--apg-optimizer-primary-color, #be1e2d);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--apg-optimizer-primary-color, #be1e2d) 10%, transparent 90%);
}

.apg-question-label {
    display: block;
    font-weight: 600;
    color: var(--apg-optimizer-text-color, #333333);
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 1.4;
}

.apg-question-input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--apg-optimizer-border-color, #e1e5e9);
    border-radius: var(--apg-optimizer-border-radius, 6px);
    font-family: inherit;
    font-size: 14px;
    line-height: 1.5;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

.apg-question-input:focus {
    outline: none;
    border-color: var(--apg-optimizer-primary-color, #be1e2d);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--apg-optimizer-primary-color, #be1e2d) 10%, transparent 90%);
}

.apg-question-input::placeholder {
    color: #999;
    font-style: italic;
}

.apg-question-examples {
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.apg-example-btn {
    background: color-mix(in srgb, var(--apg-optimizer-background-color, #ffffff) 94%, var(--apg-optimizer-text-color, #333333) 6%);
    border: 1px solid color-mix(in srgb, var(--apg-optimizer-border-color, #e1e5e9) 70%, transparent 30%);
    border-radius: 16px;
    padding: 4px 12px;
    font-size: 12px;
    color: var(--apg-optimizer-text-color, #333333);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.apg-example-btn:hover {
    background: var(--apg-optimizer-primary-color, #be1e2d);
    color: var(--apg-optimizer-button-text, #ffffff);
    border-color: var(--apg-optimizer-primary-color, #be1e2d);
    transform: translateY(-1px);
}

.apg-improvement-actions {
    display: flex;
    gap: 12px;
}

.apg-regenerate-btn {
    background: var(--apg-optimizer-secondary-color, #2a2a2a);
    color: var(--apg-optimizer-button-text, #ffffff);
    border: none;
    border-radius: var(--apg-optimizer-border-radius, 8px);
    padding: 12px 20px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    flex: 1;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--apg-optimizer-secondary-color, #2a2a2a) 30%, transparent 70%);
    position: relative;
    overflow: hidden;
}

.apg-regenerate-btn:hover:not(:disabled) {
    background: color-mix(in srgb, var(--apg-optimizer-secondary-color, #2a2a2a) 90%, black 10%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px color-mix(in srgb, var(--apg-optimizer-secondary-color, #2a2a2a) 40%, transparent 60%);
}

.apg-regenerate-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.apg-optimizer-tips {
    background: color-mix(in srgb, var(--apg-optimizer-background-color, #ffffff) 98%, var(--apg-optimizer-secondary-color, #2a2a2a) 2%);
    border: 1px solid color-mix(in srgb, var(--apg-optimizer-border-color, #e1e5e9) 70%, transparent 30%);
    border-radius: var(--apg-optimizer-border-radius, 8px);
    padding: 20px;
    margin-top: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.apg-optimizer-tips h4 {
    margin: 0 0 16px 0;
    color: var(--apg-optimizer-text-color, #333333);
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.apg-optimizer-tips h4::before {
    content: '💡';
    font-size: 1.2em;
}

.apg-optimizer-tips ul {
    margin: 0;
    padding-left: 20px;
    list-style: none;
}

.apg-optimizer-tips li {
    position: relative;
    margin-bottom: 12px;
    font-size: 14px;
    line-height: 1.6;
    color: #666;
    padding: 8px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: color 0.2s ease;
}

.apg-optimizer-tips li:last-child {
    border-bottom: none;
}

.apg-optimizer-tips li::before {
    content: "✓";
    position: absolute;
    left: -20px;
    top: 8px;
    color: var(--apg-optimizer-primary-color, #be1e2d);
    font-weight: bold;
    font-size: 12px;
}

.apg-optimizer-tips li:hover {
    color: var(--apg-optimizer-text-color, #333333);
}

/* Version History */
.apg-optimizer-version-history {
    background: color-mix(in srgb, var(--apg-optimizer-background-color, #ffffff) 98%, var(--apg-optimizer-primary-color, #be1e2d) 2%);
    border: 1px solid color-mix(in srgb, var(--apg-optimizer-border-color, #e1e5e9) 70%, transparent 30%);
    border-radius: var(--apg-optimizer-border-radius, 8px);
    padding: 20px;
    margin-top: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.apg-optimizer-version-history h4 {
    margin: 0 0 16px 0;
    color: var(--apg-optimizer-text-color, #333333);
    font-size: 1.1rem;
}

.apg-optimizer-version-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.apg-optimizer-version-item {
    padding: 12px;
    border: 1px solid color-mix(in srgb, var(--apg-optimizer-border-color, #e1e5e9) 70%, transparent 30%);
    border-radius: var(--apg-optimizer-border-radius, 8px);
    background: color-mix(in srgb, var(--apg-optimizer-background-color, #ffffff) 96%, var(--apg-optimizer-text-color, #333333) 4%);
    cursor: pointer;
    transition: all 0.2s ease;
}

.apg-optimizer-version-item:hover {
    border-color: var(--apg-optimizer-primary-color, #be1e2d);
    background: var(--apg-optimizer-background-color, #ffffff);
}

.apg-optimizer-version-item.current {
    border-color: var(--apg-optimizer-primary-color, #be1e2d);
    background: color-mix(in srgb, var(--apg-optimizer-primary-color, #be1e2d) 5%, var(--apg-optimizer-background-color, #ffffff) 95%);
}

/* Error Styles */
.apg-optimizer-error {
    background: color-mix(in srgb, var(--apg-optimizer-background-color, #ffffff) 90%, #fee 10%);
    border: 1px solid color-mix(in srgb, #fcc 60%, transparent 40%);
    border-radius: var(--apg-optimizer-border-radius, 8px);
    padding: 16px;
    margin: 16px var(--apg-optimizer-padding, 24px);
    color: #c33;
}

.apg-optimizer-error-content {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Animations */
@keyframes apg-fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes apg-slide-down {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes apg-slide-in-right {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes apg-pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

@keyframes apg-loading-shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

.apg-slide-down {
    animation: apg-slide-down 0.3s ease;
}

.apg-fade-in {
    animation: apg-fade-in 0.5s ease;
}

.apg-optimizer-sidebar.apg-slide-in {
    animation: apg-slide-in-right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.apg-optimizer-actions.apg-pulse {
    animation: apg-pulse 0.6s ease-in-out;
}

/* Loading state for sidebar */
.apg-optimizer-sidebar.apg-loading {
    background: linear-gradient(
        90deg,
        #f0f0f0 25%,
        #e0e0e0 37%,
        #f0f0f0 63%
    );
    background-size: 400% 100%;
    animation: apg-loading-shimmer 1.5s ease-in-out infinite;
}

/* Universal mobile-safe rules for all elements */
@media (max-width: 768px) {
    .apg-optimizer-container *,
    .apg-optimizer-container *::before,
    .apg-optimizer-container *::after {
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    
    /* Prevent specific elements from causing horizontal overflow */
    .apg-optimizer-container input,
    .apg-optimizer-container textarea,
    .apg-optimizer-container select,
    .apg-optimizer-container button,
    .apg-optimizer-container .apg-question,
    .apg-optimizer-container .apg-question-input,
    .apg-optimizer-container .apg-question-label {
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow-wrap: break-word !important;
        word-wrap: break-word !important;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .apg-optimizer-sidebar {
        flex: 0 0 280px;
        top: 10px;
        max-height: calc(100vh - 20px);
    }
    
    /* Ensure container doesn't overflow on tablets */
    .apg-optimizer-container {
        overflow-x: hidden;
    }
}

@media (max-width: 768px) {
    .apg-optimizer-results {
        flex-direction: column;
        min-height: auto;
        background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
        overflow-x: hidden; /* Prevent horizontal overflow */
    }
    
    .apg-optimizer-results-main {
        border-radius: 12px 12px 0 0;
        overflow-x: hidden; /* Prevent horizontal overflow */
    }
    
    .apg-optimizer-sidebar {
        position: static !important; /* Force override sticky positioning for small screens */
        flex: none;
        border-left: none;
        border-top: 1px solid var(--apg-optimizer-border-color, #e1e5e9);
        border-radius: 0 0 12px 12px;
        max-height: none !important; /* Remove height constraints for small screens */
        overflow-y: visible !important; /* Ensure content is accessible on small screens */
        overflow-x: hidden !important; /* Prevent horizontal overflow */
        box-shadow: 0 -2px 20px rgba(0, 0, 0, 0.08);
        background: linear-gradient(145deg, #ffffff 0%, #f0f2f5 100%);
        top: auto !important; /* Remove any top positioning */
        align-self: auto !important; /* Reset align-self */
        transform: none !important; /* Reset any transforms */
        z-index: auto !important; /* Reset z-index */
        width: 100% !important; /* Ensure full width on mobile */
        box-sizing: border-box !important; /* Include padding and border in width calculation */
    }
    
    /* Ensure improvement questions are visible and accessible on small screens */
    .apg-optimizer-sidebar .apg-improvement-section,
    .apg-optimizer-sidebar .apg-improvement-form,
    .apg-optimizer-sidebar .apg-improvement-questions {
        position: static !important;
        max-height: none !important;
        overflow: visible !important;
        overflow-x: hidden !important; /* Prevent horizontal overflow */
        width: 100% !important;
        box-sizing: border-box !important;
    }
    
    /* Fix improvement questions container width issues */
    .apg-optimizer-sidebar .apg-improvement-questions .apg-question {
        width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }
    
    /* Ensure question inputs don't overflow */
    .apg-optimizer-sidebar .apg-question-input {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
    }
    
    /* Fix question labels to prevent overflow */
    .apg-optimizer-sidebar .apg-question-label {
        width: 100% !important;
        box-sizing: border-box !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        white-space: normal !important;
    }
    
    .apg-optimizer-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .apg-optimizer-controls .apg-optimizer-field {
        min-width: auto;
    }
    
    .apg-comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .apg-optimizer-main-form {
        padding: var(--apg-optimizer-padding, 16px);
    }
    
    .apg-optimizer-results-main,
    .apg-optimizer-sidebar {
        padding: var(--apg-optimizer-padding, 16px);
    }
}

@media (max-width: 480px) {
    .apg-optimizer-container {
        margin: 8px 0;
        border-radius: 0;
        overflow-x: hidden !important; /* Prevent any horizontal overflow on container */
    }
    
    .apg-optimizer-input-field {
        min-height: 80px;
        font-size: 16px; /* Prevent zoom on iOS */
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    
    .apg-optimizer-btn {
        padding: 12px 16px;
        font-size: 14px;
        min-width: 120px;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    
    .apg-optimizer-result-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .apg-optimizer-sidebar {
        padding: 16px; /* Already static from 768px breakpoint */
        overflow-x: hidden !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    
    .apg-optimizer-actions {
        padding: 16px;
        box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
        width: 100% !important;
        box-sizing: border-box !important;
    }
    
    .apg-optimizer-tips {
        padding: 16px;
        margin-top: 16px;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    
    .apg-optimizer-reoptimize-btn,
    .apg-optimizer-new-btn {
        padding: 12px 16px;
        font-size: 13px;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    
    /* Ensure improvement sections are fully accessible on mobile */
    .apg-optimizer-sidebar .apg-improvement-section {
        margin-bottom: 16px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
        /* max-height and overflow already handled by 768px breakpoint */
    }
    
    .apg-optimizer-sidebar .apg-improvement-form {
        /* max-height and overflow already handled by 768px breakpoint */
        display: block !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }
    
    .apg-optimizer-sidebar .apg-improvement-questions {
        /* max-height and overflow already handled by 768px breakpoint */
        display: flex !important;
        flex-direction: column;
        gap: 16px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }
    
    /* Make sure improvement question inputs are mobile-friendly */
    .apg-optimizer-sidebar .apg-question-input {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        font-size: 16px !important; /* Prevent zoom on iOS */
        padding: 12px !important;
        min-height: 44px !important; /* Touch-friendly size */
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
    }
    
    /* Fix question containers */
    .apg-optimizer-sidebar .apg-question {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
        margin-bottom: 12px !important;
    }
    
    /* Ensure improve buttons are visible and accessible */
    .apg-optimizer-sidebar .apg-improve-btn,
    .apg-optimizer-sidebar .apg-regenerate-btn {
        width: 100% !important;
        max-width: 100% !important;
        padding: 14px !important;
        font-size: 14px !important;
        min-height: 44px !important; /* Touch-friendly size */
        margin: 8px 0 !important;
        box-sizing: border-box !important;
    }
    
    /* Fix example buttons to prevent overflow */
    .apg-optimizer-sidebar .apg-example-btn {
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        white-space: nowrap !important;
    }
    
    /* Ensure question examples container wraps properly */
    .apg-optimizer-sidebar .apg-question-examples {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
        flex-wrap: wrap !important;
    }
}