:root {
    --botanical-bg: #f4f9f4; /* Light, fresh green tint for Health theme */
    --botanical-surface: #ffffff;
    --botanical-tone: #3b82f6; /* Trustworthy health blue */
    --botanical-tone-hover: #2563eb;
    --botanical-ink: #1f2937;
    --botanical-border: #e5e7eb;
    --botanical-radius: 4px; /* Sharp */
    --font-display: 'Nunito', sans-serif;
    --font-body: 'Mulish', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Gallery Logic */
.gallery-img {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out;
    z-index: 1;
}

#veg-pic-1:checked ~ .organic-slide-wrap .pic-1,
#veg-pic-2:checked ~ .organic-slide-wrap .pic-2,
#veg-pic-3:checked ~ .organic-slide-wrap .pic-3,
#veg-pic-4:checked ~ .organic-slide-wrap .pic-4 {
    opacity: 1;
    visibility: visible;
    z-index: 10;
}

/* Thumbnail Selection State */
#veg-pic-1:checked ~ .leafy-thumbs-nav label[for="veg-pic-1"],
#veg-pic-2:checked ~ .leafy-thumbs-nav label[for="veg-pic-2"],
#veg-pic-3:checked ~ .leafy-thumbs-nav label[for="veg-pic-3"],
#veg-pic-4:checked ~ .leafy-thumbs-nav label[for="veg-pic-4"] {
    outline: 2px solid var(--botanical-tone);
    outline-offset: -2px;
}

/* Preset D: CTA Hover Underline */
.action-trigger-btn {
    text-decoration: none;
    position: relative;
    border: none;
    box-shadow: none; /* Flat shadow */
}

.action-trigger-btn:hover {
    background-color: var(--botanical-tone-hover) !important;
    text-decoration: underline;
    text-underline-offset: 4px;
}

/* Preset D: Reviews subtle styling */
.user-opinion-card {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05); /* Very subtle flat shadow to merge D + Flat */
}

/* Custom Scrollbar for mini thumbs on mobile */
.leafy-thumbs-nav::-webkit-scrollbar {
    height: 6px;
}
.leafy-thumbs-nav::-webkit-scrollbar-track {
    background: transparent;
}
.leafy-thumbs-nav::-webkit-scrollbar-thumb {
    background-color: var(--botanical-border);
    border-radius: 10px;
}