:root {
    --primary-color: #2ecc71;
    --primary-dark: #27ae60;
    --secondary-color: #3498db;
    --secondary-dark: #2980b9;
    --background-color: #f9fafb;
    --text-color: #333;
    --card-bg: white;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    overflow-x: hidden;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.btn-primary {
    background-color: var(--primary-color);
    border: none;
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(46, 204, 113, 0.2);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(46, 204, 113, 0.3);
}

.card {
    background-color: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    margin-bottom: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.header-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: -1;
}

.input-group {
    margin-bottom: 20px;
}

.input-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: #555;
}

.input-field {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.input-field:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.2);
}

.range-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 10px;
    border-radius: 5px;
    background: #e0e0e0;
    outline: none;
    margin: 15px 0;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
}

.range-slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
}

.result-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.result-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding: 10px 15px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
}

.result-value {
    font-weight: 700;
    font-size: 1.2rem;
}

.radio-group {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.radio-item {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.radio-item input {
    display: none;
}

.radio-item span {
    display: inline-block;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid #e0e0e0;
    margin-right: 10px;
    position: relative;
    transition: all 0.3s ease;
}

.radio-item input:checked + span {
    border-color: var(--primary-color);
}

.radio-item input:checked + span:after {
    content: '';
    position: absolute;
    top: 4px;
    left: 4px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--primary-color);
}

.macro-chart-container {
    position: relative;
    width: 100%;
    height: 250px;
    margin: 20px 0;
}

.info-card {
    padding: 30px;
    margin-bottom: 30px;
}

.info-card h3 {
    color: var(--primary-dark);
    margin-bottom: 15px;
    font-size: 1.5rem;
    font-weight: 600;
}

.info-card p {
    margin-bottom: 15px;
    line-height: 1.7;
}

.calculator-icon {
    color: var(--primary-color);
    margin-right: 10px;
}

/* Progress rings for results */
.progress-ring {
    width: 120px;
    height: 120px;
    position: relative;
    margin: 0 auto 20px;
}

.progress-ring__circle {
    transform: rotate(-90deg);
    transform-origin: center;
    transition: stroke-dashoffset 0.5s ease;
}

.progress-ring__text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.2rem;
    font-weight: 700;
    color: white;
}

/* Background vector animations */
.bg-vector {
    position: absolute;
    z-index: -1;
    opacity: 0.1;
}

.bg-vector-1 {
    top: 10%;
    left: 5%;
    animation: float 15s ease-in-out infinite;
}

.bg-vector-2 {
    bottom: 20%;
    right: 5%;
    animation: float 20s ease-in-out infinite reverse;
}

@keyframes float {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(10px, 15px) rotate(5deg);
    }
    50% {
        transform: translate(5px, -10px) rotate(0deg);
    }
    75% {
        transform: translate(-10px, 5px) rotate(-5deg);
    }
    100% {
        transform: translate(0, 0) rotate(0deg);
    }
}

/* Form animations */
.form-section {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-section:nth-child(2) {
    animation-delay: 0.2s;
}

.form-section:nth-child(3) {
    animation-delay: 0.4s;
}

.form-section:nth-child(4) {
    animation-delay: 0.6s;
}

/* Macronutrient bar chart */
.macro-bar-container {
    margin-top: 30px;
    margin-bottom: 30px;
}

.macro-bar {
    height: 40px;
    margin-bottom: 15px;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    background-color: #f0f0f0;
}

.macro-bar-fill {
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    border-radius: 8px;
    transition: width 1s ease-out;
    display: flex;
    align-items: center;
    padding-left: 15px;
    color: white;
    font-weight: 600;
}

.macro-bar-fat {
    background-color: var(--primary-dark);
}

.macro-bar-protein {
    background-color: var(--secondary-dark);
}

.macro-bar-carbs {
    background-color: #e74c3c;
}

.macro-bar-label {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 600;
    z-index: 1;
    color: white;
}

.macro-bar-value {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 600;
    z-index: 1;
    color: #555;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .radio-group {
        flex-direction: column;
        gap: 10px;
    }
    
    .progress-ring {
        width: 100px;
        height: 100px;
    }
}

/* Ensure the full-width container spans the entire viewport width */
.full-width-container {
    width: 100%;
    max-width: none; /* Remove any max-width constraints */
    margin: 0 auto; /* Center align if necessary */
    padding: 0 20px; /* Add horizontal padding for spacing */
}

/* Ensure the grid items stretch properly */
.grid.grid-cols-1.md\:grid-cols-2.lg\:grid-cols-4 {
    width: 100%;
    margin: 0 auto;
}

/* Optional: Add spacing between grid items */
.grid.grid-cols-1.md\:grid-cols-2.lg\:grid-cols-4 > div {
    margin-bottom: 20px; /* Space between tools */
}