/* ===================================
   BODY FAT CALCULATOR STYLES
   =================================== */

.bodyfat-section {
    padding: var(--spacing-2xl) 0;
}

.bodyfat-calculator-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

/* Calculator Card */

.calculator-card {
    padding: var(--spacing-xl);
}

.card-header {
    margin-bottom: var(--spacing-xl);
}

.card-header h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-xs);
}

.card-header p {
    color: var(--gray-400);
    font-size: 0.9375rem;
}

/* Gender Selector */

.gender-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.gender-selector input[type="radio"] {
    display: none;
}

.gender-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.gender-option svg {
    width: 48px;
    height: 48px;
    color: var(--gray-400);
    transition: color var(--transition-base);
}

.gender-option span {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-400);
    transition: color var(--transition-base);
}

.gender-option:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
}

.gender-selector input[type="radio"]:checked+.gender-option {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.5);
}

.gender-selector input[type="radio"]:checked+.gender-option svg,
.gender-selector input[type="radio"]:checked+.gender-option span {
    color: #60a5fa;
}

/* Info Tooltip */

.info-tooltip {
    display: inline-block;
    margin-left: 0.5rem;
    cursor: help;
    font-size: 0.875rem;
    opacity: 0.7;
    transition: opacity var(--transition-base);
}

.info-tooltip:hover {
    opacity: 1;
}

.input-hint {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-top: 0.5rem;
}

/* Results Card */

.results-card {
    padding: var(--spacing-xl);
    min-height: 600px;
    display: flex;
    flex-direction: column;
}

.results-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-2xl);
}

.placeholder-icon {
    margin-bottom: var(--spacing-xl);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.results-placeholder h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-sm);
}

.results-placeholder p {
    color: var(--gray-400);
}

/* Results Content */

.results-content {
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.result-header h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

/* Body Fat Display */

.bodyfat-display {
    margin-bottom: var(--spacing-xl);
}

.bodyfat-main-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(16, 185, 129, 0.1));
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.bodyfat-label {
    font-size: 0.875rem;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.bodyfat-value {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, #60a5fa, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.bodyfat-category {
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    display: inline-block;
}

/* Body Fat Bar */

.bodyfat-bar-container {
    margin-top: var(--spacing-lg);
}

.bodyfat-bar {
    position: relative;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.bodyfat-bar-fill {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #10b981, #3b82f6, #fbbf24, #f87171);
    border-radius: var(--radius-full);
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.bodyfat-marker {
    position: absolute;
    top: 50%;
    left: 0%;
    width: 4px;
    height: 50px;
    background: white;
    border-radius: 2px;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
    transition: left 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.bodyfat-bar-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Metrics Grid */

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.metric-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
}

.metric-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.metric-content {
    flex: 1;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-bottom: 0.25rem;
}

.metric-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

/* Health Info */

.health-info {
    margin-top: var(--spacing-lg);
}

.info-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-md);
}

.info-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.info-content h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: white;
    margin-bottom: var(--spacing-sm);
}

.info-content p {
    color: var(--gray-300);
    line-height: 1.6;
}

/* Category Dot */

.category-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: var(--spacing-xs);
}

/* Responsive */

@media (max-width: 1024px) {
    .bodyfat-calculator-wrapper {
        grid-template-columns: 1fr;
    }

    .results-card {
        min-height: auto;
    }
}

@media (max-width: 768px) {
    .gender-selector {
        grid-template-columns: 1fr;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .bodyfat-value {
        font-size: 3rem;
    }
}