.macronutrient-calculator-container {
    font-family: 'Inter', sans-serif;
    background: rgba(236, 255, 251, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 40px;
    max-width: 900px;
    width: 100%;
    margin: 20px auto;
}

.macronutrient-calculator-container * {
    box-sizing: border-box;
}

.macronutrient-calculator-container .noUi-handle {
    border: 2px solid rgba(236, 255, 251, 0.95);
}

.macronutrient-calculator-container .header {
    text-align: center;
    margin-bottom: 40px;
}

.macronutrient-calculator-container .header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 8px;
    margin-top: 0;
}

.macronutrient-calculator-container .header p {
    font-size: 1.1rem;
    color: #718096;
    font-weight: 400;
    margin: 0;
}

.macronutrient-calculator-container .calculator-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.macronutrient-calculator-container .input-panel {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.macronutrient-calculator-container .input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.macronutrient-calculator-container .input-group label {
    font-weight: 600;
    color: #2d3748;
    font-size: 1rem;
    margin: 0;
}

.macronutrient-calculator-container .input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.macronutrient-calculator-container .input-wrapper input {
    width: 100%;
    padding: 16px 20px;
    padding-right: 60px;
    font-size: 1.1rem;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    background: white;
    transition: all 0.3s ease;
    font-weight: 500;
    margin: 0;
}

.macronutrient-calculator-container .input-wrapper input:focus {
    outline: none;
    border-color: #4a8eff;
    box-shadow: 0 0 0 3px rgba(74, 142, 255, 0.1);
}

.macronutrient-calculator-container .input-wrapper .unit {
    position: absolute;
    right: 45px;
    color: #718096;
    font-weight: 500;
    pointer-events: none;
}

.macronutrient-calculator-container .input-wrapper .validation-indicator {
    position: absolute;
    right: 20px;
    font-size: 1.2rem;
    pointer-events: none;
}

.macronutrient-calculator-container .input-wrapper select {
    width: 100%;
    padding: 16px 20px;
    font-size: 1.1rem;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    background: white;
    transition: all 0.3s ease;
    font-weight: 500;
    color: #2d3748;
    margin: 0;
}

.macronutrient-calculator-container .input-wrapper select:focus {
    outline: none;
    border-color: #4a8eff;
    box-shadow: 0 0 0 3px rgba(74, 142, 255, 0.1);
}

.macronutrient-calculator-container .slider-container {
    margin: 12px 0;
}

.macronutrient-calculator-container .slider {
    height: 8px;
}

.macronutrient-calculator-container .noUi-target {
    background: #e2e8f0;
    border-radius: 8px;
    border: none;
    box-shadow: none;
}

.macronutrient-calculator-container .noUi-base {
    height: 8px;
    border-radius: 8px;
}

.macronutrient-calculator-container .noUi-connect {
    background: linear-gradient(135deg, #4a8eff 0%, #667eea 100%);
    border-radius: 8px;
}

.macronutrient-calculator-container .noUi-handle {
    background: white;
    border: 3px solid #737577;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(74, 142, 255, 0.3);
    width: 20px;
    height: 20px;
    right: -10px;
    top: -6px;
    outline: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.macronutrient-calculator-container .noUi-handle:before,
.macronutrient-calculator-container .noUi-handle:after {
    display: none;
}

.macronutrient-calculator-container .noUi-handle:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 16px rgba(74, 142, 255, 0.4);
}

.macronutrient-calculator-container .noUi-handle:active {
    transform: scale(0.95);
}

.macronutrient-calculator-container .noUi-horizontal .noUi-handle {
    top: -6px;
}

.macronutrient-calculator-container .range-display {
    font-size: 0.9rem;
    color: #718096;
    font-weight: 500;
    margin-top: 4px;
}


.macronutrient-calculator-container .chart-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.macronutrient-calculator-container .chart-container {
    position: relative;
    width: 300px;
    height: 300px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.macronutrient-calculator-container .chart-container canvas {
    width: 100%;
    height: 100%;
}

.macronutrient-calculator-container .legend {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
}

.macronutrient-calculator-container .legend-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.macronutrient-calculator-container .legend-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.macronutrient-calculator-container .legend-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    flex-shrink: 0;
}

.macronutrient-calculator-container .protein-color {
    background: #4a8eff;
}

.macronutrient-calculator-container .carbs-color {
    background: #66ADB1;
}

.macronutrient-calculator-container .fat-color {
    background: #f6ad55;
}

.macronutrient-calculator-container .other-color {
    background: #e2e8f0;
}

.macronutrient-calculator-container .legend-item span {
    font-weight: 500;
    color: #2d3748;
    font-size: 0.75rem;
}

.macronutrient-calculator-container .legend-value {
    margin-left: auto;
    font-weight: 700;
    color: #4a8eff;
    display: flex;
}

.macronutrient-calculator-container .help-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    margin-left: 8px;
    cursor: help;
    background: #4a8eff;
    color: white;
    font-size: 12px;
    font-weight: bold;
    border-radius: 50%;
    transition: all 0.3s ease;
    font-family: Arial, sans-serif;
}

.macronutrient-calculator-container .help-icon:hover {
    background: #2563eb;
    transform: scale(1.1);
}

.macronutrient-calculator-container .tooltip {
    position: absolute;
    background: #2d3748;
    color: white;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    max-width: 250px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    pointer-events: none;
    white-space: normal;
    line-height: 1.4;
}

.macronutrient-calculator-container .tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: #2d3748;
}

.macronutrient-calculator-container .energy-bar-container {
    width: 100%;
    margin: 20px 0;
}

.macronutrient-calculator-container .energy-bar-label {
    font-weight: 600;
    color: #2d3748;
    font-size: 0.9rem;
    margin-bottom: 8px;
    text-align: center;
}

.macronutrient-calculator-container .energy-bar {
    position: relative;
    width: 100%;
    height: 30px;
    background: #e2e8f0;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.macronutrient-calculator-container .energy-bar-fill {
    height: 100%;
    background: #d69e2e;
    border-radius: 15px;
    transition: all 0.3s ease;
    width: 0%;
}

.macronutrient-calculator-container .energy-bar-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-weight: 600;
    font-size: 0.85rem;
    color: #2d3748;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

.macronutrient-calculator-container .energy-bar-targets {
    display: flex;
    justify-content: space-between;
    margin-top: 4px;
    font-size: 0.8rem;
    color: #718096;
    position: relative;
}

.macronutrient-calculator-container .target-label {
    color: #718096;
}

.macronutrient-calculator-container .target-60 {
    color: #d69e2e;
    position: absolute;
    left: 60%;
    transform: translateX(-50%);
}

.macronutrient-calculator-container .target-70 {
    color: #38a169;
    position: absolute;
    left: 70%;
    transform: translateX(-50%);
}

.macronutrient-calculator-container .target-100 {
    color: #e53e3e;
}

.macronutrient-calculator-container .summary h3,
.macronutrient-calculator-container .chart-panel h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2d3748;
    margin: 0 0 16px 0;
    display: flex;
    align-items: center;
}

@media (max-width: 768px) {
    .macronutrient-calculator-container {
        padding: 20px;
    }
    
    .macronutrient-calculator-container .header h2 {
        font-size: 2rem;
    }
    
    .macronutrient-calculator-container .calculator-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .macronutrient-calculator-container .chart-container {
        width: 250px;
        height: 250px;
    }
}

@media (max-width: 480px) {
    .macronutrient-calculator-container {
        padding: 16px;
    }
    
    .macronutrient-calculator-container .header h2 {
        font-size: 1.8rem;
    }
    
    .macronutrient-calculator-container .chart-container {
        width: 200px;
        height: 200px;
    }
    
    .macronutrient-calculator-container .legend-value {
        flex-direction: row;
        gap: 8px;
    }
    
    .macronutrient-calculator-container .energy-bar-container {
        margin: 15px 0;
    }
    
    .macronutrient-calculator-container .energy-bar {
        height: 25px;
    }
    
    .macronutrient-calculator-container .energy-bar-text {
        font-size: 0.8rem;
    }
}

/* Formula Validation Styles */
.macronutrient-calculator-container .formula-validation {
    margin: 20px 0;
    padding: 16px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 12px;
    border: 1px solid rgba(79, 172, 254, 0.2);
}

.macronutrient-calculator-container .formula-validation h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #2d3748;
    margin: 0 0 12px 0;
    text-align: center;
}

.macronutrient-calculator-container .validation-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.macronutrient-calculator-container .validation-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 8px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 6px;
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.macronutrient-calculator-container .validation-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: #4a5568;
}

.macronutrient-calculator-container .validation-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: #38a169;
}

.macronutrient-calculator-container .validation-value.outside-range {
    color: #e53e3e;
}

@media (max-width: 480px) {
    .macronutrient-calculator-container .validation-grid {
        grid-template-columns: 1fr;
    }
}