/* Cubic Yard Calculator Styles */
:root {
    --primary: #3498db;
    --primary-dark: #2980b9;
    --secondary: #2ecc71;
    --secondary-dark: #27ae60;
    --dark: #2c3e50;
    --light: #ecf0f1;
    --gray: #95a5a6;
    --danger: #e74c3c;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

.cyc-calculator-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 10px;
    box-shadow: var(--shadow);
    overflow: hidden;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.cyc-calculator-header {
    background: var(--primary);
    color: white;
    padding: 20px;
    text-align: center;
}

.cyc-calculator-header h1 {
    font-size: 28px;
    margin-bottom: 10px;
}

.cyc-calculator-header p {
    opacity: 0.9;
}

.cyc-calculator-body {
    padding: 25px;
}

.cyc-tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid #ddd;
}

.cyc-tab {
    padding: 12px 20px;
    cursor: pointer;
    background: #f1f1f1;
    border-radius: 5px 5px 0 0;
    margin-right: 5px;
    font-weight: 600;
}

.cyc-tab.active {
    background: var(--primary);
    color: white;
}

.cyc-tab-content {
    display: none;
}

.cyc-tab-content.active {
    display: block;
}

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

.cyc-input-group {
    margin-bottom: 15px;
}

.cyc-input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
}

.cyc-input-group input, .cyc-input-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: var(--transition);
}

.cyc-input-group input:focus, .cyc-input-group select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.cyc-shape-diagram {
    text-align: center;
    padding: 15px;
    background: var(--light);
    border-radius: 5px;
    margin-top: 10px;
}

.cyc-shape-diagram svg {
    max-width: 100%;
    height: 150px;
}

.cyc-buttons {
    display: flex;
    gap: 15px;
    margin: 25px 0;
}

.cyc-button {
    padding: 14px 25px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.cyc-button-primary {
    background: var(--primary);
    color: white;
    flex: 2;
}

.cyc-button-primary:hover {
    background: var(--primary-dark);
}

.cyc-button-secondary {
    background: var(--gray);
    color: white;
    flex: 1;
}

.cyc-button-secondary:hover {
    background: #7f8c8d;
}

.cyc-results {
    background: var(--light);
    padding: 20px;
    border-radius: 5px;
    margin-top: 20px;
    display: none;
}

.cyc-results h3 {
    margin-bottom: 15px;
    color: var(--dark);
    border-bottom: 2px solid var(--primary);
    padding-bottom: 10px;
}

.cyc-result-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #ddd;
}

.cyc-result-value {
    font-weight: 700;
    color: var(--primary);
    font-size: 18px;
}

.cyc-formula-explanation {
    margin-top: 20px;
    padding: 15px;
    background: #e8f4fc;
    border-radius: 5px;
    border-left: 4px solid var(--primary);
}

.cyc-formula-explanation h4 {
    margin-bottom: 10px;
    color: var(--dark);
}

.cyc-material-densities {
    margin-top: 20px;
    padding: 15px;
    background: #fff4e6;
    border-radius: 5px;
    border-left: 4px solid var(--secondary);
}

.cyc-material-densities h4 {
    margin-bottom: 10px;
    color: var(--dark);
}

.cyc-material-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.cyc-material-table th, .cyc-material-table td {
    padding: 8px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.cyc-material-table th {
    background-color: #fdebd0;
}

/* Animation for results */
@keyframes cyc-fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.cyc-results {
    animation: cyc-fadeIn 0.5s ease-in;
}

/* Responsive design */
@media (max-width: 768px) {
    .cyc-input-section {
        grid-template-columns: 1fr;
    }
    
    .cyc-buttons {
        flex-direction: column;
    }
    
    .cyc-calculator-container {
        margin: 0 10px;
    }
}