:root {
    /* --- Refined Organic Pastel Palette --- */
    /* Backgrounds */
    --bg-color: #faf9f6; /* 'Alabaster' - warmer than pure white */
    --card-bg: rgba(255, 255, 255, 0.7); /* Translucent for glassmorphism */
    --card-bg-hover: rgba(255, 255, 255, 0.9);

    /* Text - High Contrast & Warmth */
    --text-primary: #1a1a1a; /* Almost Black */
    --text-secondary: #4b5563; /* Deep Cool Grey - AA Compliant */
    --text-tertiary: #6b7280; /* Medium Grey */
    --text-accent: #d63031; /* Subtle accent for tiny details */

    /* Organic Accents (Pastel - Backgrounds) */
    --pastel-green: #e3f2fd; /* Airy Blue */
    --pastel-blue: #e0f7fa; /* Cyan tint */
    --pastel-yellow: #fff8e1; /* Amber tint */
    --pastel-forest: #e8f5e9; /* Green tint */
    --pastel-brown: #efebe9; /* Brown tint */
    --pastel-red: #ffebee; /* Red tint */
    --pastel-grey: #f5f5f5; /* Grey tint */
    --pastel-purple: #f3e5f5; /* Purple tint */

    /* Deep Accents (For Text/Icons/Borders) - Darkened for WCAG AA Compliance (4.5:1) */
    --accent-green: #004d40; /* Dark Teal */
    --accent-blue: #0c4a6e; /* Deep Ocean */
    --accent-yellow: #b45309; /* Burnt Amber (Yellow on white requires this darkness) */
    --accent-forest: #14532d; /* Deep Forest */
    --accent-brown: #3e2723; /* Dark Earth */
    --accent-red: #991b1b; /* Deep Crimson */
    --accent-grey: #1f2937; /* Dark Slate */
    --accent-purple: #581c87; /* Royal Purple */

    /* Gradients */
    --gradient-warm: linear-gradient(135deg, #fdfbf7 0%, #f3f0e8 100%);
    --gradient-overlay: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.8) 100%);

    /* Shadows - Cinematic & Soft */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --shadow-focus: 0 0 0 4px rgba(255, 255, 255, 0.9), 0 0 0 6px var(--text-primary);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3.5rem;
    --spacing-xl: 5rem;

    /* Typography */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;

    /* Z-Index */
    --z-background: -1;
    --z-map: 10;
    --z-card: 20;
    --z-header: 100;
    --z-card-expanded: 1000;
    --z-close-btn: 1100;
    --z-skip: 2000;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    --transition-smooth: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    --transition-spring: 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Effects */
    --blur-strength: 20px;
    --glass-border: 1px solid rgba(255, 255, 255, 0.6);
}

/* --- Global Reset & Base Styles --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--pastel-blue);
    color: var(--text-primary);
}

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background-color: #d1d8e0;
    border-radius: 20px;
    border: 3px solid var(--bg-color);
}

::-webkit-scrollbar-thumb:hover {
    background-color: #a4b0be;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: hidden;
    min-height: 100vh;
    /* Slightly grainier noise for texture */
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.04'/%3E%3C/svg%3E");
}

/* Accessibility */
.skip-to-content {
    position: absolute;
    top: 0;
    left: 0;
    background: var(--text-primary);
    color: #fff;
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: var(--z-skip);
    transform: translateY(-100%);
    transition: transform var(--transition-fast);
    text-decoration: none;
    font-weight: 600;
    border-radius: 0 0 8px 0;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.skip-to-content:focus {
    transform: translateY(0);
}

/* Focus Management */
:focus-visible {
    outline: none;
    box-shadow: var(--shadow-focus);
    border-radius: 2px;
    z-index: 1000; /* Ensure focus ring is always on top */
}

/* Background Animation */
.app-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: var(--z-background);
    background:
        radial-gradient(circle at 0% 0%, rgba(227, 242, 253, 0.5) 0%, transparent 55%),
        radial-gradient(circle at 100% 0%, rgba(255, 248, 225, 0.5) 0%, transparent 55%),
        radial-gradient(circle at 100% 100%, rgba(232, 245, 233, 0.5) 0%, transparent 55%),
        radial-gradient(circle at 0% 100%, rgba(243, 229, 245, 0.5) 0%, transparent 55%);
    filter: blur(80px); /* Increased blur for smoother blending */
    animation: gradient-shift 30s ease-in-out infinite alternate;
}

@keyframes gradient-shift {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.2);
    }
}

/* --- Typography --- */
h1,
h2,
h3 {
    font-family: var(--font-serif);
    color: var(--text-primary);
    line-height: 1.1;
}

h1 {
    font-weight: 700;
}

p {
    color: var(--text-secondary);
    font-weight: 400;
}

/* --- Header --- */
.app-header {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
    z-index: var(--z-header);
    margin-bottom: var(--spacing-lg);
    perspective: 1000px;
}

.header-inner {
    max-width: 900px;
    margin: 0 auto;
    /* Removed default animation here to rely on JS or staggered children */

    /* Parallax Defaults */
    --scroll-offset: 0;
    transform: translateY(calc(var(--scroll-offset) * 0.5px)) scale(max(0.9, 1 - var(--scroll-offset) * 0.0005));
    opacity: calc(1 - var(--scroll-offset) / 600);
    filter: blur(calc(var(--scroll-offset) * 0.02px));
    will-change: transform, opacity, filter;
}

.app-header h1 {
    font-size: clamp(4rem, 12vw, 8rem);
    color: var(--text-primary);
    letter-spacing: -0.04em;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    padding-bottom: 0.1em;

    /* Text Reveal Animation */
    opacity: 0;
    transform: translateY(20px);
    animation: text-reveal 1.2s cubic-bezier(0.2, 1, 0.3, 1) forwards;
}

.subtitle {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: clamp(0.75rem, 1.5vw, 1rem);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3em;
    font-weight: 500;
    position: relative;
    padding: 0 1rem;

    /* Staggered Reveal */
    opacity: 0;
    animation: fade-in-up 1s var(--transition-smooth) 0.5s forwards;
}

.subtitle::before,
.subtitle::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 0; /* Start width 0 for animation */
    height: 1px;
    background: var(--text-tertiary);
    transition: width 0.8s ease-out;
    animation: grow-line 1s ease-out 0.8s forwards;
}

.subtitle::before {
    left: -2.5rem;
}
.subtitle::after {
    right: -2.5rem;
}

@keyframes text-reveal {
    0% {
        opacity: 0;
        transform: translateY(40px) skewY(2deg);
        filter: blur(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0) skewY(0);
        filter: blur(0);
    }
}

@keyframes grow-line {
    from {
        width: 0;
    }
    to {
        width: 2rem;
    }
}

/* --- Gallery Layout --- */
.gallery-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--spacing-lg);
    padding: 0 var(--spacing-lg) var(--spacing-xl);
    max-width: 1600px;
    margin: 0 auto;
    position: relative;
    perspective: 1000px;
}

/* --- Card Component --- */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(var(--blur-strength));
    -webkit-backdrop-filter: blur(var(--blur-strength));
    border-radius: 20px;
    border: var(--glass-border);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    position: relative;
    height: 480px;
    transition: all var(--transition-base);

    /* Initial Scroll State */
    opacity: 0;
    transform: translateY(40px) scale(0.98);

    /* Staggered Entrance */
    transition-delay: calc(var(--stagger-index, 0) * 50ms);
}

.card.in-view {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow:
        0 20px 40px -5px rgba(0, 0, 0, 0.1),
        0 10px 15px -5px rgba(0, 0, 0, 0.05),
        0 0 0 1px rgba(255, 255, 255, 0.5) inset; /* Inner glow */
    background: var(--card-bg-hover);
    border-color: rgba(255, 255, 255, 0.9);
    z-index: 5;
}

.card:active {
    transform: scale(0.98);
    transition-duration: 0.1s;
}

.card:focus-visible {
    outline: none;
    box-shadow: var(--shadow-focus);
    border-radius: 20px;
    z-index: 1000;
}

/* Card Visual */
.card-visual {
    height: 60%;
    position: relative;
    overflow: hidden;
    background-color: var(--pastel-grey); /* Fallback */
}

.visual-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-smooth);
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.8), transparent);
}

.card:hover .visual-placeholder {
    transform: scale(1.1);
}

.card-icon {
    width: 80px;
    height: 80px;
    opacity: 0.9;
    transition: transform var(--transition-spring);
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
}

.card:hover .card-icon {
    transform: scale(1.2) rotate(-5deg);
}

/* Card Content */
.card-content {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.card-header h2 {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.location-tag {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 0.35em 0.75em;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.5);
    display: inline-block;
    align-self: flex-start;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

/* Hidden elements */
.card-body,
.card-map-container,
.close-button {
    display: none;
    opacity: 0;
}

.card-body .prose {
    font-size: 1.15rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-serif);
    max-width: 65ch;
}

.card-body .prose::first-letter {
    float: left;
    font-size: 4rem;
    line-height: 0.8;
    margin-right: 0.75rem;
    margin-top: 0.2rem;
    font-weight: 700;
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--text-primary);
}

/* --- Expanded State --- */
.card.expanded {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 92vw;
    max-width: 1200px;
    height: 90vh;
    z-index: var(--z-card-expanded);
    cursor: default;
    background: rgba(255, 255, 255, 0.95); /* Slightly translucent */
    backdrop-filter: blur(25px);
    display: grid;
    grid-template-columns: 50% 50%;
    grid-template-rows: auto;
    border-radius: 24px;
    box-shadow:
        0 50px 100px -20px rgba(50, 50, 93, 0.25),
        0 30px 60px -30px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.8) inset;
    animation: expand-card 0.8s var(--transition-spring) forwards;
    overflow: hidden;
}

@keyframes expand-card {
    0% {
        opacity: 0;
        transform: translate(-50%, -45%) scale(0.85);
        border-radius: 60px;
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
        border-radius: 24px;
    }
}

body.has-expanded-card::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(240, 239, 235, 0.85);
    backdrop-filter: blur(8px);
    z-index: calc(var(--z-card-expanded) - 1);
    animation: fade-in 0.5s ease-out forwards;
}

/*
   [CRITICAL FIX]
   Remove perspective from container when card is expanded.
   This prevents the 'position: fixed' card from being trapped in the container's
   stacking context, ensuring it correctly overlays the body::after backdrop.
*/
body.has-expanded-card .gallery-container {
    perspective: none;
}

.card.expanded .card-visual {
    height: 100%;
    grid-column: 1 / 2;
}

.card.expanded .visual-placeholder {
    transform: none !important; /* Disable hover effect in expanded */
}

.card.expanded .card-icon {
    width: 120px;
    height: 120px;
    transform: none !important;
}

.card.expanded .card-content {
    grid-column: 2 / 3;
    padding: var(--spacing-xl);
    overflow-y: auto;
    justify-content: flex-start;
    background: #fff;
}

.card.expanded .card-header {
    margin-bottom: var(--spacing-md);
    animation: slide-in-up 0.7s 0.3s var(--transition-smooth) both;
}

.card.expanded .card-header h2 {
    font-size: 3.5rem;
    font-weight: 700;
}

.card.expanded .card-body {
    display: block;
    opacity: 1;
    animation: slide-in-up 0.7s 0.45s var(--transition-smooth) both;
}

.card.expanded .card-map-container {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
    width: 100%;
    height: 400px !important;
    min-height: 400px !important;
    flex: 0 0 400px !important;
    border-radius: 12px;
    margin-top: var(--spacing-lg);
    background: var(--pastel-grey);
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
    animation: slide-in-up 0.7s 0.6s var(--transition-smooth) both;
}

@keyframes slide-in-up {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Spinner */
.card-map-container.map-loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 50px;
    height: 50px;
    margin: -25px 0 0 -25px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top-color: var(--text-primary);
    border-radius: 50%;
    animation: spin 0.8s ease-in-out infinite;
    z-index: 5;
}

.card.expanded .close-button {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(4px);
    color: var(--text-primary);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    cursor: pointer;
    z-index: var(--z-close-btn);
    transition: all 0.4s var(--transition-smooth);
    transition-delay: 0.7s; /* Ensure content is visible before interaction/testing */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.card.expanded .close-button:hover {
    background: var(--text-primary);
    color: #fff;
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.card.expanded .close-button:active {
    transform: rotate(90deg) scale(0.9);
}

/* --- Card Themes --- */
/* Kachikally */
#card-kachikally .visual-placeholder {
    background: linear-gradient(135deg, var(--pastel-green) 0%, #b2dfdb 100%);
}
#card-kachikally .location-tag {
    color: var(--accent-green);
    border-color: var(--pastel-green);
}

/* Tanji */
#card-tanji .visual-placeholder {
    background: linear-gradient(135deg, var(--pastel-blue) 0%, #b3e5fc 100%);
}
#card-tanji .location-tag {
    color: var(--accent-blue);
    border-color: var(--pastel-blue);
}

/* Shores */
#card-shores .visual-placeholder {
    background: linear-gradient(135deg, var(--pastel-yellow) 0%, #ffecb3 100%);
}
#card-shores .location-tag {
    color: var(--accent-yellow);
    border-color: var(--pastel-yellow);
}

/* Bijilo */
#card-bijilo .visual-placeholder {
    background: linear-gradient(135deg, var(--pastel-forest) 0%, #c8e6c9 100%);
}
#card-bijilo .location-tag {
    color: var(--accent-forest);
    border-color: var(--pastel-forest);
}

/* Wassu */
#card-wassu .visual-placeholder {
    background: linear-gradient(135deg, var(--pastel-brown) 0%, #d7ccc8 100%);
}
#card-wassu .location-tag {
    color: var(--accent-brown);
    border-color: var(--pastel-brown);
}

/* Kunta Kinteh */
#card-kunta .visual-placeholder {
    background: linear-gradient(135deg, var(--pastel-grey) 0%, #cfd8dc 100%);
}
#card-kunta .location-tag {
    color: var(--accent-grey);
    border-color: var(--pastel-grey);
}

/* Albert Market */
#card-albert .visual-placeholder {
    background: linear-gradient(135deg, var(--pastel-red) 0%, #ffcdd2 100%);
}
#card-albert .location-tag {
    color: var(--accent-red);
    border-color: var(--pastel-red);
}

/* Janjanbureh */
#card-janjanbureh .visual-placeholder {
    background: linear-gradient(135deg, var(--pastel-purple) 0%, #e1bee7 100%);
}
#card-janjanbureh .location-tag {
    color: var(--accent-purple);
    border-color: var(--pastel-purple);
}

/* --- Responsive --- */
@media (max-width: 960px) {
    .card.expanded {
        grid-template-columns: 1fr;
        grid-template-rows: 280px 1fr;
        height: 100vh;
        width: 100vw;
        border-radius: 0;
        max-width: none;
    }

    .card.expanded .card-visual {
        height: 280px;
    }

    .card.expanded .card-content {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .app-header h1 {
        font-size: 3.5rem;
    }

    .subtitle::before,
    .subtitle::after {
        width: 1rem;
        left: -1.5rem;
    }
    .subtitle::after {
        right: -1.5rem;
    }
}

/* --- Keyframes --- */
@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in-right {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Map Markers */
.custom-pin {
    background: transparent;
    border: none;
}
.marker-pin {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    background: var(--accent-blue);
}
.marker-kachikally {
    background: var(--accent-green);
}
.marker-tanji {
    background: var(--accent-blue);
}
.marker-shores {
    background: var(--accent-yellow);
}
.marker-bijilo {
    background: var(--accent-forest);
}
.marker-wassu {
    background: var(--accent-brown);
}
.marker-kunta {
    background: var(--accent-grey);
}
.marker-albert {
    background: var(--accent-red);
}
.marker-janjanbureh {
    background: var(--accent-purple);
}

/* --- System Alerts (Error Handler) --- */
.error-toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #7f1d1d; /* Dark Red */
    color: #ffffff;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    font-family:
        system-ui,
        -apple-system,
        sans-serif;
    font-size: 14px;
    max-width: 300px;
    animation: slide-in-toast 0.3s ease-out forwards;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

@keyframes slide-in-toast {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Skeleton Pulse Animation --- */
@keyframes skeleton-pulse {
    0% {
        background-color: rgba(0, 0, 0, 0.03);
    }
    50% {
        background-color: rgba(0, 0, 0, 0.08);
    }
    100% {
        background-color: rgba(0, 0, 0, 0.03);
    }
}

.card-map-container.map-loading {
    animation: skeleton-pulse 1.5s ease-in-out infinite;
    border: 1px solid rgba(0, 0, 0, 0.05); /* Subtle border definition */
}

/* Toast Dismissal State */
.error-toast.dismissing {
    opacity: 0;
    transform: translateY(20px);
    transition:
        opacity 0.3s ease-out,
        transform 0.3s ease-out;
}

/* Success Toast */
.error-toast.toast-success {
    background-color: var(--accent-forest);
}

/* Share Button */
.share-button {
    display: none;
    opacity: 0;
}

.card.expanded .share-button {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    position: absolute;
    top: var(--spacing-md);
    right: calc(var(--spacing-md) + 60px); /* 48px width + 12px gap */
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(4px);
    color: var(--text-primary);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    cursor: pointer;
    z-index: var(--z-close-btn);
    transition: all 0.4s var(--transition-smooth);
    transition-delay: 0.7s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.card.expanded .share-button:hover {
    background: var(--text-primary);
    color: #fff;
    transform: scale(1.1);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.card.expanded .share-button:active {
    transform: scale(0.9);
}