.dp-calc-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f8f9fa;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.dp-calc-container h2 {
    color: #2c3e50;
    text-align: center;
    margin-bottom: 30px;
    font-size: 24px;
}

.dp-calc-section {
    background: white;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 6px;
    border: 1px solid #e1e8ed;
}

.dp-calc-section h3 {
    color: #34495e;
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 18px;
}

.dp-calc-collapsible {
    cursor: pointer;
    user-select: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dp-calc-arrow {
    transition: transform 0.2s;
}

.dp-calc-arrow.rotated {
    transform: rotate(-90deg);
}

.dp-calc-row {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.dp-calc-field {
    flex: 1;
    min-width: 200px;
}

.dp-calc-field label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #2c3e50;
}

.dp-calc-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #bdc3c7;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.dp-calc-input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.dp-calc-inline {
    display: flex;
    align-items: center;
    gap: 8px;
}

.dp-calc-inline input {
    flex: 1;
}

.dp-calc-checkbox {
    width: auto;
    margin-right: 8px;
}

.dp-calc-tooltip {
    display: inline-block;
    width: 18px;
    height: 18px;
    background: #3498db;
    color: white;
    border-radius: 50%;
    text-align: center;
    font-size: 12px;
    line-height: 18px;
    cursor: help;
    position: relative;
    margin-left: 5px;
}

.dp-calc-tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    background: #2c3e50;
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 1000;
}

.dp-calc-presets {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.dp-calc-preset-btn {
    padding: 8px 16px;
    background: #ecf0f1;
    border: 1px solid #bdc3c7;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.dp-calc-preset-btn:hover {
    background: #d5dbdb;
}

.dp-calc-actions {
    text-align: center;
    margin: 20px 0;
}

.dp-calc-btn {
    padding: 10px 20px;
    margin: 0 5px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.dp-calc-btn-primary {
    background: #3498db;
    color: white;
}

.dp-calc-btn-primary:hover {
    background: #2980b9;
}

.dp-calc-btn-secondary {
    background: #95a5a6;
    color: white;
}

.dp-calc-btn-secondary:hover {
    background: #7f8c8d;
}

.dp-calc-result {
    background: white;
    padding: 20px;
    border-radius: 6px;
    border: 1px solid #e1e8ed;
}

.dp-calc-compatible {
    color: #27ae60;
    font-weight: bold;
}

.dp-calc-warning {
    color: #f39c12;
    font-weight: bold;
}

.dp-calc-error {
    color: #e74c3c;
    font-weight: bold;
}

.dp-calc-detail {
    margin: 10px 0;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 4px;
    border-left: 4px solid #3498db;
}

.dp-calc-recommendation {
    margin: 15px 0;
    padding: 15px;
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 4px;
}

.dp-calc-cable-info {
    background: #e8f5e8;
    border: 1px solid #c3e6c3;
    border-radius: 4px;
    padding: 15px;
}

.dp-calc-cable-compatible {
    color: #27ae60;
    font-weight: bold;
}

.dp-calc-cable-warning {
    color: #f39c12;
    font-weight: bold;
}

.dp-calc-cable-error {
    color: #e74c3c;
    font-weight: bold;
}

@media (max-width: 768px) {
    .dp-calc-container {
        padding: 15px;
    }
    
    .dp-calc-row {
        flex-direction: column;
    }
    
    .dp-calc-field {
        min-width: auto;
    }
    
    .dp-calc-presets {
        justify-content: center;
    }
}