/* Steel Quantity Calculator-clac360 Styles */
/* Original CSS from HTML - Preserved exactly */

:root {
    /* Normal Mode Colors - Fixed Non-Modifiable */
    --bg-primary: #F5F5F5;
    --bg-panel: #E0E0E0;
    --text-primary: #222222;
    --accent-primary: #4A90E2;
    --accent-secondary: #FF9500;
    --border-color: #333333;
    --input-bg: #f9f9f9;
    --error-color: #C0392B;
    --success-color: #16A085;
    
    /* Colorblind Mode Overrides (Background remains fixed) */
    --cb-text-primary: #000000;
    --cb-accent-primary: #0056b3;
    --cb-accent-secondary: #cc5500;
    --cb-border-color: #000000;
    --cb-input-bg: #ffffff;
    --cb-input-border: #000000;
}

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

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

.clac360-steel-calculator-container .container {
    display: flex;
    flex-direction: column;
    max-width: 1800px;
    margin: 0 auto;
    gap: 30px;
}

/* Colorblind Mode Styles */
.clac360-steel-calculator-container.colorblind-mode {
    color: var(--cb-text-primary);
}

.clac360-steel-calculator-container.colorblind-mode .input-panel,
.clac360-steel-calculator-container.colorblind-mode .result-panel {
    border-color: var(--cb-border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.clac360-steel-calculator-container.colorblind-mode button {
    border: 2px solid var(--cb-border-color);
}

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

.clac360-steel-calculator-container.colorblind-mode .btn-export {
    background-color: #228B22;
}

.clac360-steel-calculator-container.colorblind-mode .btn-reset {
    background-color: var(--cb-accent-secondary);
}

.clac360-steel-calculator-container.colorblind-mode .input-wrapper {
    border-color: var(--cb-input-border);
    background-color: var(--cb-input-bg);
}

.clac360-steel-calculator-container.colorblind-mode .input-wrapper input,
.clac360-steel-calculator-container.colorblind-mode .input-wrapper select {
    color: var(--cb-text-primary);
}

.clac360-steel-calculator-container.colorblind-mode .unit-selector {
    border-color: var(--cb-input-border);
    background-color: #e8e8e8;
}

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

.clac360-steel-calculator-container .panel-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.clac360-steel-calculator-container .colorblind-toggle-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.clac360-steel-calculator-container .switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

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

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

.clac360-steel-calculator-container .slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

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

.clac360-steel-calculator-container input:checked + .slider:before {
    transform: translateX(26px);
}

.clac360-steel-calculator-container .main-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

@media (min-width: 1200px) {
    .clac360-steel-calculator-container .main-content {
        flex-direction: row;
        align-items: flex-start;
    }
}

.clac360-steel-calculator-container .input-panel {
    flex: 1;
    background-color: var(--bg-panel);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    min-width: 400px;
    height: fit-content;
}

.clac360-steel-calculator-container .result-panel {
    flex: 2;
    background-color: var(--bg-panel);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    min-width: 400px;
    height: fit-content;
}

.clac360-steel-calculator-container .form-group {
    margin-bottom: 20px;
}

.clac360-steel-calculator-container .form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

@media (min-width: 768px) {
    .clac360-steel-calculator-container .form-row {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

.clac360-steel-calculator-container .input-group {
    display: flex;
    flex-direction: column;
}

.clac360-steel-calculator-container .input-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.clac360-steel-calculator-container .input-hint {
    font-size: 0.8rem;
    color: #666;
    margin-top: 4px;
    font-style: italic;
}

.clac360-steel-calculator-container .input-wrapper {
    display: flex;
    align-items: stretch;
    height: 48px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    background-color: var(--input-bg);
}

/* IMPORTANT: Ensures text is fully visible in inputs */
.clac360-steel-calculator-container .input-wrapper input,
.clac360-steel-calculator-container .input-wrapper select {
    flex: 1;
    padding: 12px; /* Increased padding for better visibility */
    border: none;
    outline: none;
    font-size: 1rem;
    background-color: transparent;
    color: var(--text-primary);
    height: 100%;
    min-height: 44px; /* Ensures ample height */
    line-height: 1.4; /* Better text spacing */
}

/* IMPORTANT: Ensures dropdown text is fully visible */
.clac360-steel-calculator-container .module-selector select {
    width: 100%;
    padding: 12px; /* Increased padding */
    border: 2px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    background-color: var(--input-bg);
    color: var(--text-primary);
    height: 48px; /* Fixed height */
    min-height: 48px; /* Ensures ample height */
    line-height: 1.4; /* Better text spacing */
    -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='currentColor' 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: 16px;
    padding-right: 40px;
}

.clac360-steel-calculator-container .input-wrapper input:focus,
.clac360-steel-calculator-container .input-wrapper select:focus,
.clac360-steel-calculator-container .module-selector select:focus {
    outline: 3px solid var(--accent-primary);
    outline-offset: -3px;
}

.clac360-steel-calculator-container .unit-selector {
    width: 80px;
    border-left: 2px solid var(--border-color);
    background-color: var(--bg-panel);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--text-primary);
    padding: 0 8px; /* Added padding */
}

.clac360-steel-calculator-container .unit-selector select {
    width: 100%;
    border: none;
    background: transparent;
    font-size: 0.95rem;
    padding: 4px;
    height: auto;
    min-height: auto;
    color: var(--text-primary);
}

.clac360-steel-calculator-container .module-selector {
    margin-bottom: 25px;
}

.clac360-steel-calculator-container .shape-subselector {
    margin-top: 15px;
    padding: 15px;
    background-color: rgba(255, 149, 0, 0.1);
    border-radius: 4px;
    border-left: 4px solid var(--accent-secondary);
}

/* IMPORTANT: Clear distance between last input field and buttons */
.clac360-steel-calculator-container .button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 40px; /* Increased margin for clear separation */
    padding-top: 20px; /* Added padding */
    border-top: 1px solid rgba(0,0,0,0.1); /* Visual separator */
}

.clac360-steel-calculator-container button {
    padding: 14px 28px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 52px;
    flex: 1;
    min-width: 140px;
}

.clac360-steel-calculator-container button:focus {
    outline: 3px solid var(--accent-primary);
    outline-offset: 3px;
}

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

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

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

.clac360-steel-calculator-container .btn-reset:hover {
    background-color: #e68900;
}

.clac360-steel-calculator-container .btn-export {
    background-color: #28A745;
    color: white;
}

.clac360-steel-calculator-container .btn-export:hover {
    background-color: #218838;
}

.clac360-steel-calculator-container .svg-container {
    width: 100%;
    height: 260px;
    background-color: white;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 25px;
    overflow: hidden;
}

.clac360-steel-calculator-container svg {
    width: 100%;
    height: 100%;
    display: block;
}

.clac360-steel-calculator-container .results-section {
    margin-bottom: 25px;
}

.clac360-steel-calculator-container .section-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid #ccc;
}

.clac360-steel-calculator-container .step-calculation {
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 20px;
    margin-bottom: 15px;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.8;
    white-space: pre-wrap;
}

.clac360-steel-calculator-container .result-value {
    font-weight: 600;
    color: var(--accent-primary);
    padding: 4px 8px;
    background-color: rgba(74, 144, 226, 0.1);
    border-radius: 4px;
}

.clac360-steel-calculator-container .dynamic-content {
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 20px;
    margin-bottom: 15px;
}

.clac360-steel-calculator-container .dynamic-content h4 {
    color: var(--accent-secondary);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.clac360-steel-calculator-container .error-message {
    color: var(--error-color);
    background-color: rgba(192, 57, 43, 0.1);
    border: 2px solid var(--error-color);
    border-radius: 4px;
    padding: 15px;
    margin-bottom: 20px;
    font-weight: 600;
    display: none;
}

.clac360-steel-calculator-container .trademark {
    position: fixed;
    bottom: 20px;
    right: 20px;
    font-size: 0.8rem;
    color: #666;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 5px 10px;
    border-radius: 4px;
    border: 1px solid #ddd;
    z-index: 1000;
}

/* Results Summary Styles */
.clac360-steel-calculator-container .results-summary {
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 20px;
    margin-bottom: 25px;
}

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

.clac360-steel-calculator-container .summary-item {
    display: flex;
    flex-direction: column;
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: 4px;
    border-left: 4px solid var(--accent-primary);
}

.clac360-steel-calculator-container .summary-label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 5px;
}

.clac360-steel-calculator-container .summary-value {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.clac360-steel-calculator-container .summary-unit {
    font-size: 0.9rem;
    color: #888;
    margin-left: 4px;
}

/* Disclaimer Styles */
.clac360-steel-calculator-container .disclaimer {
    background-color: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 15px;
    margin-top: 25px;
    font-size: 0.9rem;
    color: #666;
    border-left: 4px solid var(--error-color);
}

.clac360-steel-calculator-container .disclaimer-title {
    font-weight: 600;
    color: var(--error-color);
    margin-bottom: 8px;
}

/* Accessibility and Mobile Optimizations */
@media (max-width: 767px) {
    .clac360-steel-calculator-container {
        padding: 10px;
    }
    
    .clac360-steel-calculator-container .input-panel,
    .clac360-steel-calculator-container .result-panel {
        padding: 15px;
        min-width: unset;
    }
    
    .clac360-steel-calculator-container .panel-title {
        font-size: 1.2rem;
    }
    
    .clac360-steel-calculator-container .form-row {
        grid-template-columns: 1fr;
        gap: 20px; /* Increased gap for mobile */
    }
    
    .clac360-steel-calculator-container button {
        min-width: 100%;
        margin-bottom: 10px;
    }
    
    .clac360-steel-calculator-container .button-group {
        flex-direction: column;
        gap: 10px;
        margin-top: 30px; /* Adjusted for mobile */
    }
    
    .clac360-steel-calculator-container .input-wrapper {
        height: 44px;
    }
    
    .clac360-steel-calculator-container .input-wrapper input,
    .clac360-steel-calculator-container .input-wrapper select {
        font-size: 0.95rem;
        padding: 10px; /* Adjusted for mobile */
    }
    
    .clac360-steel-calculator-container .summary-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    /* Keep colorblind toggle on same line on mobile */
    .clac360-steel-calculator-container .panel-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .clac360-steel-calculator-container .colorblind-toggle-container {
        align-self: flex-end;
    }
}

@media (min-width: 768px) and (max-width: 1199px) {
    .clac360-steel-calculator-container .main-content {
        flex-direction: column;
    }
    
    .clac360-steel-calculator-container .input-panel,
    .clac360-steel-calculator-container .result-panel {
        width: 100%;
    }
}

/* Print Styles */
@media print {
    .clac360-steel-calculator-container .input-panel,
    .clac360-steel-calculator-container .button-group,
    .clac360-steel-calculator-container .colorblind-toggle-container,
    .clac360-steel-calculator-container .trademark {
        display: none;
    }
    
    .clac360-steel-calculator-container .result-panel {
        border: none;
        padding: 0;
    }
}