/* Fixed Color Scheme - Do Not Modify */
:root {
    --background-color: #F5F5F5;
    --panel-color: #E0E0E0;
    --primary-text: #222222;
    --accent-color: #4A90E2;
    --secondary-accent: #FF9500;
    --input-border: #333333;
    --input-bg: #f9f9f9;
    --error-color: #d32f2f;
    --success-color: #388e3c;
}

.clac360-calculator * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.clac360-calculator {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--primary-text);
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

/* Main Layout */
.clac360-calculator .app-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    flex: 1;
}

@media (min-width: 992px) {
    .clac360-calculator .app-container {
        flex-direction: row;
        align-items: flex-start;
    }
}

/* Parallel Panels */
.clac360-calculator .panel {
    background-color: var(--panel-color);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    height: fit-content;
}

.clac360-calculator .input-panel {
    flex: 1;
    min-width: 300px;
}

.clac360-calculator .results-panel {
    flex: 2;
    min-width: 500px;
    display: none;
}

@media (min-width: 992px) {
    .clac360-calculator .input-panel,
    .clac360-calculator .results-panel {
        height: calc(100vh - 100px);
        overflow-y: auto;
    }
}

/* Panel Titles - No h1-h6 tags */
.clac360-calculator .panel-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary-text);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 15px;
}

.clac360-calculator .panel-title-text {
    flex: 1;
}

/* Colorblind Mode Toggle */
.clac360-calculator .colorblind-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.clac360-calculator .toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.clac360-calculator .toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.clac360-calculator .toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}

.clac360-calculator .toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

.clac360-calculator input:checked + .toggle-slider {
    background-color: var(--accent-color);
}

.clac360-calculator input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

/* Method Selection */
.clac360-calculator .method-selection {
    margin-bottom: 25px;
}

.clac360-calculator .method-dropdown {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    border: 2px solid var(--input-border);
    background-color: var(--input-bg);
    border-radius: 8px;
    color: var(--primary-text);
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.clac360-calculator .method-dropdown:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

/* Input Groups - CRITICAL FIX */
.clac360-calculator .input-group {
    margin-bottom: 25px;
    display: none !important; /* Force hide initially */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.clac360-calculator .input-group.active {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
}

.clac360-calculator .input-group-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-text);
    padding-bottom: 8px;
    border-bottom: 2px solid var(--accent-color);
}

.clac360-calculator .input-row {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
}

.clac360-calculator .input-field {
    flex: 1;
    min-width: 200px;
}

.clac360-calculator .input-field label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--primary-text);
}

.clac360-calculator .input-field input,
.clac360-calculator .input-field select {
    width: 100%;
    padding: 10px 12px !important;
    font-size: 1rem;
    border: 2px solid var(--input-border) !important;
    background-color: var(--input-bg) !important;
    border-radius: 8px !important;
    color: var(--primary-text);
    transition: border-color 0.2s, box-shadow 0.2s;
    min-height: 44px;
    line-height: 1.5;
}

.clac360-calculator .input-field input:focus,
.clac360-calculator .input-field select:focus {
    outline: none !important;
    border-color: var(--accent-color) !important;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2) !important;
}

.clac360-calculator .primary-input {
    border-color: var(--accent-color) !important;
    border-width: 2px !important;
}

.clac360-calculator .array-input {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.clac360-calculator .array-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.clac360-calculator .array-input input {
    flex: 1;
    padding: 8px 10px !important;
}

.clac360-calculator .add-row-btn,
.clac360-calculator .remove-row-btn {
    padding: 6px 12px;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s;
}

.clac360-calculator .add-row-btn:hover,
.clac360-calculator .remove-row-btn:hover {
    background-color: #357ABD;
}

.clac360-calculator .remove-row-btn {
    background-color: #666;
}

.clac360-calculator .remove-row-btn:hover {
    background-color: #444;
}

/* Action Buttons */
.clac360-calculator .action-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.clac360-calculator .btn {
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 120px;
}

.clac360-calculator .btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.4);
}

.clac360-calculator .btn-calculate {
    background-color: var(--accent-color);
    color: white;
}

.clac360-calculator .btn-calculate:hover {
    background-color: #357ABD;
}

.clac360-calculator .btn-reset {
    background-color: #666;
    color: white;
}

.clac360-calculator .btn-reset:hover {
    background-color: #444;
}

.clac360-calculator .btn-export {
    background-color: var(--secondary-accent);
    color: white;
}

.clac360-calculator .btn-export:hover {
    background-color: #E08500;
}

/* CSV Import */
.clac360-calculator .csv-section {
    margin-top: 30px;
    border-top: 2px solid #ccc;
    padding-top: 20px;
}

.clac360-calculator .csv-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.clac360-calculator .file-input-wrapper {
    position: relative;
    overflow: hidden;
    display: inline-block;
}

.clac360-calculator .file-input-wrapper input[type=file] {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.clac360-calculator .btn-import {
    background-color: #4CAF50;
    color: white;
}

.clac360-calculator .btn-import:hover {
    background-color: #3d8b40;
}

.clac360-calculator .csv-preview {
    max-height: 300px;
    overflow-y: auto;
    margin-top: 20px;
    display: none;
}

.clac360-calculator .preview-table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
}

.clac360-calculator .preview-table th,
.clac360-calculator .preview-table td {
    border: 1px solid #ddd;
    padding: 8px 12px;
    text-align: left;
}

.clac360-calculator .preview-table th {
    background-color: var(--panel-color);
    font-weight: 600;
}

.clac360-calculator .preview-table tr:hover {
    background-color: #f5f5f5;
}

/* Results Section */
.clac360-calculator .results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--accent-color);
}

.clac360-calculator .results-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-text);
}

.clac360-calculator .results-meta {
    color: #666;
    font-size: 0.9rem;
}

.clac360-calculator .result-values {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.clac360-calculator .result-card {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    border-left: 5px solid var(--accent-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.clac360-calculator .result-label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.clac360-calculator .result-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-text);
}

.clac360-calculator .result-unit {
    font-size: 1rem;
    color: #666;
    margin-left: 5px;
}

/* Step-by-step */
.clac360-calculator .steps-container {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 30px;
}

.clac360-calculator .steps-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-text);
}

.clac360-calculator .step-list {
    counter-reset: step-counter;
    list-style: none;
}

.clac360-calculator .step-item {
    counter-increment: step-counter;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.clac360-calculator .step-item:last-child {
    border-bottom: none;
}

.clac360-calculator .step-header {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.clac360-calculator .step-number {
    width: 28px;
    height: 28px;
    background-color: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-right: 10px;
    flex-shrink: 0;
}

.clac360-calculator .step-description {
    font-weight: 500;
    color: var(--primary-text);
}

.clac360-calculator .step-calculation {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    overflow-x: auto;
    margin-top: 8px;
    border-left: 3px solid #4CAF50;
}

/* Dynamic Comments */
.clac360-calculator .dynamic-section {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.clac360-calculator .dynamic-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.clac360-calculator .dynamic-content {
    line-height: 1.7;
}

.clac360-calculator .comments {
    border-left: 5px solid #2196F3;
}

.clac360-calculator .analysis {
    border-left: 5px solid #4CAF50;
}

.clac360-calculator .recommendations {
    border-left: 5px solid #FF9800;
}

/* Chart Container */
.clac360-calculator .chart-container {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
    height: 400px;
    position: relative;
}

.clac360-calculator .chart-actions {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10;
}

.clac360-calculator .btn-download-chart {
    background-color: #666;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
}

.clac360-calculator .btn-download-chart:hover {
    background-color: #444;
}

/* Trademark */
.clac360-calculator .trademark {
    position: fixed;
    bottom: 15px;
    right: 15px;
    font-size: 0.8rem;
    color: #666;
    z-index: 1000;
    background-color: var(--background-color);
    padding: 5px 10px;
    border-radius: 4px;
}

/* Diagnostics */
.clac360-calculator .diagnostics-toggle {
    position: fixed;
    bottom: 15px;
    left: 15px;
    z-index: 1000;
}

.clac360-calculator .diagnostics-panel {
    display: none;
    background-color: white;
    border: 2px solid #333;
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
    max-height: 300px;
    overflow-y: auto;
}

.clac360-calculator .diagnostics-log {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
}

.clac360-calculator .log-entry {
    padding: 5px 0;
    border-bottom: 1px solid #eee;
}

.clac360-calculator .log-timestamp {
    color: #666;
    margin-right: 10px;
}

.clac360-calculator .log-message {
    color: #333;
}

/* Colorblind Mode Styles */
.clac360-calculator.colorblind-mode .btn-calculate {
    background-image: linear-gradient(45deg, transparent 50%, rgba(255,255,255,0.3) 50%);
}

.clac360-calculator.colorblind-mode .btn-export {
    background-image: repeating-linear-gradient(45deg, transparent, transparent 5px, rgba(255,255,255,0.3) 5px, rgba(255,255,255,0.3) 10px);
}

.clac360-calculator.colorblind-mode .btn-import {
    background-image: radial-gradient(circle, rgba(255,255,255,0.3) 25%, transparent 25%);
}

.clac360-calculator.colorblind-mode .result-card {
    border-style: double;
    border-width: 4px;
}

.clac360-calculator.colorblind-mode .primary-input {
    border-style: dashed !important;
}

/* Error States */
.clac360-calculator .error-message {
    color: var(--error-color);
    font-size: 0.9rem;
    margin-top: 5px;
    display: none;
}

.clac360-calculator .input-field.error input,
.clac360-calculator .input-field.error select {
    border-color: var(--error-color) !important;
}

.clac360-calculator .input-field.error .error-message {
    display: block;
}

/* Responsive */
@media (max-width: 768px) {
    .clac360-calculator .panel {
        padding: 15px;
    }
    
    .clac360-calculator .result-values {
        grid-template-columns: 1fr;
    }
    
    .clac360-calculator .action-buttons {
        flex-direction: column;
    }
    
    .clac360-calculator .btn {
        width: 100%;
    }
    
    .clac360-calculator .trademark {
        position: static;
        margin-top: 20px;
        text-align: center;
    }
}

/* Accessibility */
.clac360-calculator .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.clac360-calculator [tabindex]:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

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

.clac360-calculator .fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* Force display properties for active input groups */
.clac360-calculator .input-group.active {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}