/* Column Slenderness Ratio Calculator - WordPress Plugin Styles */
/* All original CSS preserved without modification */

:root {
    --bg-color: #F5F5F5;
    --panel-color: #E0E0E0;
    --text-primary: #222222;
    --accent-primary: #4A90E2;
    --accent-secondary: #FF9500;
    --border-color: #333333;
    --input-bg: #f9f9f9;
    --error-color: #d32f2f;
    --warning-color: #f57c00;
    --success-color: #388e3c;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.clac360-calculator-container {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    padding: 20px;
    min-height: 100vh;
}

.clac360-calculator-container .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

@media (min-width: 1024px) {
    .clac360-calculator-container .container {
        grid-template-columns: 1fr 1fr;
    }
}

.clac360-calculator-container .panel {
    background-color: var(--panel-color);
    border-radius: 8px;
    padding: 25px;
    box-shadow: var(--shadow);
}

.clac360-calculator-container .panel-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.clac360-calculator-container .panel-title h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.clac360-calculator-container .input-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.clac360-calculator-container .form-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.clac360-calculator-container .form-row label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.clac360-calculator-container .form-row .sub-label {
    font-size: 0.85rem;
    color: #666;
    font-style: italic;
}

.clac360-calculator-container input, 
.clac360-calculator-container select {
    height: 44px;
    padding: 0 12px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--input-bg);
    font-size: 1rem;
    color: var(--text-primary);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.clac360-calculator-container input:focus, 
.clac360-calculator-container select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.clac360-calculator-container .radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 5px;
}

.clac360-calculator-container .radio-option {
    display: flex;
    align-items: center;
    gap: 6px;
}

.clac360-calculator-container .button-group {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.clac360-calculator-container button {
    height: 44px;
    padding: 0 24px;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 120px;
}

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

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

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

.clac360-calculator-container .btn-reset:hover {
    background-color: #555;
}

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

.clac360-calculator-container .btn-export:hover {
    background-color: #e08500;
}

.clac360-calculator-container .btn-toggle {
    background-color: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    min-width: auto;
    padding: 0 16px;
    font-size: 0.9rem;
}

.clac360-calculator-container .result-section {
    margin-top: 30px;
    display: none;
}

.clac360-calculator-container .result-section.active {
    display: block;
}

.clac360-calculator-container .result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.clac360-calculator-container .result-card {
    background-color: var(--input-bg);
    border-radius: 6px;
    padding: 15px;
    border-left: 4px solid var(--accent-primary);
}

.clac360-calculator-container .result-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: #444;
}

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

.clac360-calculator-container .result-unit {
    font-size: 1rem;
    color: #666;
    margin-left: 4px;
}

.clac360-calculator-container .classification-container {
    margin: 25px 0;
    padding: 20px;
    background-color: var(--input-bg);
    border-radius: 6px;
    border: 1px solid #ddd;
}

.clac360-calculator-container .classification-title {
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.clac360-calculator-container .classification-content {
    line-height: 1.7;
    font-size: 1rem;
}

.clac360-calculator-container .badge-short {
    background-color: #e8f5e8;
    color: var(--success-color);
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 600;
    margin-right: 10px;
}

.clac360-calculator-container .badge-intermediate {
    background-color: #fff3e0;
    color: var(--warning-color);
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 600;
    margin-right: 10px;
}

.clac360-calculator-container .badge-slender {
    background-color: #ffecb3;
    color: #ff8f00;
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 600;
    margin-right: 10px;
}

.clac360-calculator-container .badge-exceeds {
    background-color: #ffebee;
    color: var(--error-color);
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 600;
    margin-right: 10px;
}

.clac360-calculator-container .calculation-steps {
    background-color: var(--input-bg);
    border-radius: 6px;
    padding: 20px;
    margin: 25px 0;
    border: 1px solid #ddd;
}

.clac360-calculator-container .step {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.clac360-calculator-container .step:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.clac360-calculator-container .step-title {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--accent-primary);
}

.clac360-calculator-container .step-content {
    font-family: 'Courier New', monospace;
    background-color: #f0f0f0;
    padding: 10px;
    border-radius: 4px;
    overflow-x: auto;
}

.clac360-calculator-container .dynamic-analysis, 
.clac360-calculator-container .dynamic-recommendations {
    margin-top: 25px;
    padding: 20px;
    border-radius: 6px;
    background-color: var(--input-bg);
}

.clac360-calculator-container .dynamic-analysis h3, 
.clac360-calculator-container .dynamic-recommendations h3 {
    color: var(--accent-primary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.clac360-calculator-container .dynamic-content p {
    margin-bottom: 10px;
}

.clac360-calculator-container .dynamic-content ul {
    padding-left: 20px;
    margin-bottom: 10px;
}

.clac360-calculator-container .dynamic-content li {
    margin-bottom: 5px;
}

.clac360-calculator-container .svg-container {
    width: 100%;
    height: 500px;
    background-color: white;
    border-radius: 6px;
    border: 1px solid #ddd;
    margin-top: 25px;
    overflow: hidden;
}

.clac360-calculator-container .warnings, 
.clac360-calculator-container .errors {
    padding: 15px;
    border-radius: 6px;
    margin: 20px 0;
}

.clac360-calculator-container .warnings {
    background-color: #fff3cd;
    border: 1px solid #ffeaa7;
}

.clac360-calculator-container .errors {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
}

.clac360-calculator-container .warnings h3, 
.clac360-calculator-container .errors h3 {
    color: #856404;
    margin-bottom: 8px;
}

.clac360-calculator-container .errors h3 {
    color: #721c24;
}

.clac360-calculator-container .footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #ddd;
    font-size: 0.9rem;
    color: #666;
}

.clac360-calculator-container .trademark {
    position: fixed;
    bottom: 10px;
    right: 10px;
    font-size: 0.8rem;
    color: #999;
    z-index: 1000;
    background-color: rgba(245, 245, 245, 0.9);
    padding: 4px 8px;
    border-radius: 3px;
}

/* Colorblind Mode Styles */
.clac360-calculator-container.colorblind-mode {
    --accent-primary: #0066CC;
    --accent-secondary: #CC5500;
    --success-color: #006600;
    --warning-color: #CC7700;
    --error-color: #CC0000;
}

.clac360-calculator-container.colorblind-mode input,
.clac360-calculator-container.colorblind-mode select {
    border: 2px solid #333333;
    background-color: #ffffff;
    position: relative;
}

.clac360-calculator-container.colorblind-mode input:focus,
.clac360-calculator-container.colorblind-mode select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.clac360-calculator-container.colorblind-mode .btn-calculate {
    background-color: var(--accent-primary);
    position: relative;
}

.clac360-calculator-container.colorblind-mode .btn-calculate::before {
    content: "🔢";
    position: absolute;
    left: 10px;
}

.clac360-calculator-container.colorblind-mode .btn-export {
    background-color: var(--accent-secondary);
    position: relative;
}

.clac360-calculator-container.colorblind-mode .btn-export::before {
    content: "📥";
    position: absolute;
    left: 10px;
}

.clac360-calculator-container.colorblind-mode .btn-reset {
    background-color: #666666;
    position: relative;
}

.clac360-calculator-container.colorblind-mode .btn-reset::before {
    content: "↺";
    position: absolute;
    left: 10px;
}

.clac360-calculator-container.colorblind-mode .badge-short {
    background-color: #f0f8ff;
    color: var(--success-color);
    border: 2px solid var(--success-color);
}

.clac360-calculator-container.colorblind-mode .badge-intermediate {
    background-color: #fffaf0;
    color: var(--warning-color);
    border: 2px solid var(--warning-color);
}

.clac360-calculator-container.colorblind-mode .badge-slender {
    background-color: #fff5e6;
    color: #cc7700;
    border: 2px solid #cc7700;
}

.clac360-calculator-container.colorblind-mode .badge-exceeds {
    background-color: #fff0f0;
    color: var(--error-color);
    border: 2px solid var(--error-color);
}

.clac360-calculator-container.colorblind-mode .result-card {
    border-left: 4px solid var(--accent-primary);
    position: relative;
}

.clac360-calculator-container.colorblind-mode .result-card::before {
    content: "✓";
    position: absolute;
    left: 5px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent-primary);
    font-weight: bold;
}

@media (max-width: 768px) {
    .clac360-calculator-container .container {
        gap: 20px;
    }
    
    .clac360-calculator-container .panel {
        padding: 15px;
    }
    
    .clac360-calculator-container .input-group {
        grid-template-columns: 1fr;
    }
    
    .clac360-calculator-container .button-group {
        flex-direction: column;
    }
    
    .clac360-calculator-container button {
        width: 100%;
    }
    
    .clac360-calculator-container .btn-toggle {
        width: auto;
    }
    
    .clac360-calculator-container .result-grid {
        grid-template-columns: 1fr;
    }
    
    .clac360-calculator-container .svg-container {
        height: 400px;
    }
}

@media (max-width: 480px) {
    .clac360-calculator-container {
        padding: 10px;
    }
    
    .clac360-calculator-container .panel-title {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .clac360-calculator-container .svg-container {
        height: 300px;
    }
    
    .clac360-calculator-container.colorblind-mode .btn-calculate::before,
    .clac360-calculator-container.colorblind-mode .btn-export::before,
    .clac360-calculator-container.colorblind-mode .btn-reset::before {
        position: static;
        margin-right: 8px;
    }
}

/* Ensure input fields and dropdowns have ample height and visibility */
.clac360-calculator-container input,
.clac360-calculator-container select {
    min-height: 44px;
    padding: 10px 12px;
    font-size: 16px;
    line-height: 1.5;
}

.clac360-calculator-container select {
    padding-right: 30px;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23333%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px auto;
}

/* Ensure proper spacing for formula dropdowns */
.clac360-calculator-container select#sectionType,
.clac360-calculator-container select#designCode {
    height: auto;
    min-height: 44px;
    padding-top: 10px;
    padding-bottom: 10px;
}

/* Ensure clear visibility of selected text in dropdowns */
.clac360-calculator-container select option {
    padding: 12px;
    font-size: 16px;
}

/* Prevent overlapping of input fields */
.clac360-calculator-container .form-row {
    margin-bottom: 15px;
}

/* Ensure ample distance between last input field and buttons */
.clac360-calculator-container .button-group {
    margin-top: 30px;
    padding-top: 15px;
    border-top: 1px solid #e0e0e0;
}

/* Ensure colorblind toggle stays in line with title */
.clac360-calculator-container .panel-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
}

.clac360-calculator-container .panel-title h2 {
    flex-grow: 1;
    margin-right: 20px;
}

.clac360-calculator-container .btn-toggle {
    white-space: nowrap;
    flex-shrink: 0;
}