.ecarcost-calculator-wrapper {
    max-width: 1200px;
    margin: 40px auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.ecarcost-calculator-container {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.ecarcost-header {
    text-align: center;
    margin-bottom: 40px;
}

.ecarcost-title {
    font-size: 32px;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 10px 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.ecarcost-subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.ecarcost-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.ecarcost-card-title {
    font-size: 22px;
    font-weight: 600;
    color: #2d3748;
    margin: 0 0 24px 0;
    padding-bottom: 16px;
    border-bottom: 2px solid #e2e8f0;
}

.ecarcost-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.ecarcost-form-group {
    display: flex;
    flex-direction: column;
}

.ecarcost-label {
    font-size: 14px;
    font-weight: 600;
    color: #4a5568;
    margin-bottom: 8px;
}

.ecarcost-required {
    color: #e53e3e;
}

.ecarcost-input {
    padding: 14px 16px;
    font-size: 16px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    transition: all 0.3s ease;
    background: #ffffff;
    color: #2d3748;
}

.ecarcost-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.ecarcost-input:hover {
    border-color: #cbd5e0;
}

.ecarcost-button-container {
    text-align: center;
    margin-top: 32px;
}

.ecarcost-button {
    padding: 16px 48px;
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.ecarcost-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.ecarcost-button:active {
    transform: translateY(0);
}

.ecarcost-error-container {
    background: #fed7d7;
    color: #c53030;
    padding: 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: none;
    border-left: 4px solid #e53e3e;
}

.ecarcost-error-container.ecarcost-show {
    display: block;
}

.ecarcost-results-container {
    margin-top: 40px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
    pointer-events: none;
}

.ecarcost-results-container.ecarcost-show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.ecarcost-results-title {
    font-size: 28px;
    font-weight: 700;
    color: #ffffff;
    text-align: center;
    margin: 0 0 30px 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.ecarcost-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.ecarcost-result-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.ecarcost-result-card-ev {
    border-top: 4px solid #48bb78;
}

.ecarcost-result-card-petrol {
    border-top: 4px solid #ed8936;
}

.ecarcost-result-card-title {
    font-size: 20px;
    font-weight: 600;
    color: #2d3748;
    margin: 0 0 20px 0;
}

.ecarcost-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #e2e8f0;
}

.ecarcost-result-item:last-child {
    border-bottom: none;
}

.ecarcost-result-label {
    font-size: 14px;
    color: #718096;
    font-weight: 500;
}

.ecarcost-result-value {
    font-size: 18px;
    font-weight: 700;
    color: #2d3748;
}

.ecarcost-result-value.ecarcost-highlight {
    font-size: 22px;
    color: #667eea;
}

.ecarcost-savings-container {
    background: #ffffff;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    display: none;
}

.ecarcost-savings-container.ecarcost-show {
    display: block;
}

.ecarcost-savings-title {
    font-size: 24px;
    font-weight: 700;
    color: #2d3748;
    text-align: center;
    margin: 0 0 24px 0;
}

.ecarcost-savings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.ecarcost-savings-item {
    text-align: center;
    padding: 24px;
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(72, 187, 120, 0.3);
}

.ecarcost-savings-label {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 8px;
    font-weight: 500;
}

.ecarcost-savings-value {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: #ffffff;
}

.ecarcost-comparison-bar {
    margin-top: 32px;
    padding-top: 32px;
    border-top: 2px solid #e2e8f0;
}

.ecarcost-comparison-label {
    font-size: 18px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 20px;
    text-align: center;
}

.ecarcost-comparison-bars {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ecarcost-bar-item {
    display: grid;
    grid-template-columns: 60px 1fr 100px;
    align-items: center;
    gap: 12px;
}

.ecarcost-bar-label {
    font-size: 14px;
    font-weight: 600;
    color: #4a5568;
}

.ecarcost-bar-track {
    height: 32px;
    background: #e2e8f0;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}

.ecarcost-bar-fill {
    height: 100%;
    border-radius: 16px;
    transition: width 1s ease;
    width: 0;
}

.ecarcost-bar-ev {
    background: linear-gradient(90deg, #48bb78 0%, #38a169 100%);
}

.ecarcost-bar-petrol {
    background: linear-gradient(90deg, #ed8936 0%, #dd6b20 100%);
}

.ecarcost-bar-value {
    font-size: 14px;
    font-weight: 600;
    color: #2d3748;
    text-align: right;
}

@media (max-width: 768px) {
    .ecarcost-calculator-container {
        padding: 24px;
    }

    .ecarcost-title {
        font-size: 24px;
    }

    .ecarcost-card {
        padding: 20px;
    }

    .ecarcost-form-grid {
        grid-template-columns: 1fr;
    }

    .ecarcost-button {
        width: 100%;
        padding: 14px 24px;
        font-size: 16px;
    }

    .ecarcost-results-grid {
        grid-template-columns: 1fr;
    }

    .ecarcost-bar-item {
        grid-template-columns: 50px 1fr 80px;
    }
}

@media (max-width: 480px) {
    .ecarcost-calculator-wrapper {
        padding: 10px;
        margin: 20px auto;
    }

    .ecarcost-calculator-container {
        padding: 16px;
    }

    .ecarcost-title {
        font-size: 20px;
    }

    .ecarcost-subtitle {
        font-size: 14px;
    }

    .ecarcost-card-title {
        font-size: 18px;
    }

    .ecarcost-savings-value {
        font-size: 24px;
    }
}