.fd-calculator {
    max-width: 800px;
    margin: 0 auto;
    background: #f9f9f9;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-family: Arial, sans-serif;
}

.fd-input-section {
    margin-bottom: 20px;
}

.fd-calculator table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 auto;
    table-layout: fixed;
}

.fd-calculator td {
    padding: 12px;
    vertical-align: middle;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.fd-calculator input, 
.fd-calculator select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.fd-calculator input:focus, 
.fd-calculator select:focus {
    border-color: #0793AF;
    outline: none;
    box-shadow: 0 0 5px rgba(7, 147, 175, 0.3);
}

.fd-calculator input[readonly] {
    background-color: #f5f5f5;
    font-weight: bold;
    color: #333;
}

.fd-calculator .fd-button {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.1s ease;
}

.fd-calculator .fd-button:hover {
    transform: translateY(-1px);
}

.fd-calculator .fd-submit {
    background-color: #0793AF;
}

.fd-calculator .fd-submit:hover {
    background-color: #067a8f;
}

.fd-calculator .fd-reset {
    background-color: #6c757d;
}

.fd-calculator .fd-reset:hover {
    background-color: #5a6268;
}

.fd-calculator label {
    font-weight: bold;
    color: #333;
}

/* Results Section */
.fd-results-section {
    margin-top: 30px;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.fd-results-header h3 {
    margin: 0 0 20px 0;
    color: #0793AF;
    border-bottom: 2px solid #0793AF;
    padding-bottom: 10px;
}

/* Breakup Table */
.fd-breakup-section {
    margin-bottom: 30px;
}

.fd-breakup-section h4 {
    color: #333;
    margin-bottom: 15px;
}

.fd-table-container {
    overflow-x: auto;
}

.fd-breakup-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.fd-breakup-table th {
    background-color: #0793AF;
    color: white;
    padding: 12px 15px;
    text-align: left;
    font-weight: bold;
}

.fd-breakup-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #eee;
}

.fd-breakup-table tr:nth-child(even) {
    background-color: #f8f9fa;
}

.fd-breakup-table tr:hover {
    background-color: #e9ecef;
}

/* Chart Section */
.fd-chart-section {
    margin-bottom: 30px;
}

.fd-chart-section h4 {
    color: #333;
    margin-bottom: 15px;
}

.fd-chart-container {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    height: 300px;
    position: relative;
}

/* Summary Cards */
.fd-summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.fd-summary-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    border-top: 4px solid #0793AF;
}

.fd-card-label {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
    font-weight: bold;
}

.fd-card-value {
    font-size: 18px;
    font-weight: bold;
    color: #0793AF;
}

/* Loading Animation */
.fd-loading {
    text-align: center;
    padding: 40px;
}

.fd-loading-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #0793AF;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

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

.fd-loading p {
    color: #666;
    margin: 0;
}

/* Responsive design */
@media (max-width: 768px) {
    .fd-calculator {
        padding: 15px;
        margin: 10px;
    }
    
    .fd-calculator td {
        padding: 8px;
        display: block;
        width: 100%;
        box-sizing: border-box;
    }
    
    .fd-calculator tr {
        display: block;
        margin-bottom: 10px;
    }
    
    .fd-w50 {
        width: 100% !important;
    }
    
    .fd-summary-cards {
        grid-template-columns: 1fr;
    }
    
    .fd-chart-container {
        height: 250px;
    }
    
    .fd-breakup-table {
        font-size: 14px;
    }
    
    .fd-breakup-table th,
    .fd-breakup-table td {
        padding: 8px 10px;
    }
}

@media (max-width: 480px) {
    .fd-calculator {
        padding: 10px;
    }
    
    .fd-results-section {
        padding: 15px;
    }
    
    .fd-summary-card {
        padding: 15px;
    }
}