:root {
    --bg-color: #050505;
    /* Blackish */
    --text-color: #ffe4e6;
    --card-bg: #1a1a1a;
    --accent-color: #f43f5e;
    --glow-color: rgba(244, 63, 94, 0.5);
    --gap: 16px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    background-image: radial-gradient(circle at 50% 50%, #330c15 0%, #000 100%);
    color: var(--text-color);
    font-family: 'Outfit', sans-serif;
    overflow-x: hidden;
    min-height: 100vh;
}

header {
    padding: 40px 20px;
    text-align: center;
    position: relative;
}

h1 {
    font-weight: 600;
    font-size: 3rem;
    letter-spacing: -0.05em;
    color: #f43f5e;
    text-shadow: 0 0 20px var(--accent-color), 0 0 40px var(--accent-color);
    margin-bottom: 10px;
}

#love-counter-container {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(20, 20, 20, 0.8);
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 600;
    box-shadow: 0 0 15px var(--glow-color);
    border: 1px solid var(--accent-color);
    backdrop-filter: blur(5px);
}

#love-counter {
    color: #f43f5e;
    font-size: 1.2rem;
    margin-left: 5px;
    text-shadow: 0 0 10px var(--accent-color);
}

/* Featured Image */
.featured-container {
    max-width: 800px;
    margin: 0 auto 40px auto;
    padding: 10px;
    text-align: center;
}

#featured-img {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 20px;
    border: 3px solid #fcd34d;
    /* Gold border */
    box-shadow: 0 0 30px var(--glow-color), 0 0 60px rgba(252, 211, 77, 0.4);
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#featured-img:hover {
    transform: scale(1.02);
    box-shadow: 0 0 40px var(--glow-color), 0 0 80px rgba(252, 211, 77, 0.6);
}

/* Masonry Grid */
.grid {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--gap);
}

/* Clearfix for Masonry */
.grid:after {
    content: '';
    display: block;
    clear: both;
}

/* Sizer for columns */
.grid-sizer,
.grid-item {
    width: calc(33.333% - var(--gap));
    /* 3 columns by default */
    margin-bottom: var(--gap);
}

/* Responsive columns */
@media (max-width: 1200px) {

    .grid-sizer,
    .grid-item {
        width: calc(50% - var(--gap));
        /* 2 columns */
    }
}

@media (max-width: 600px) {
    :root {
        --gap: 10px;
        /* Smaller gap on mobile */
    }

    .grid-sizer,
    .grid-item {
        width: calc(50% - var(--gap));
        /* 2 columns */
    }

    #love-counter-container {
        position: static;
        margin-top: 10px;
        display: inline-block;
    }

    h1 {
        font-size: 2rem;
        /* Smaller title */
    }

    .featured-container {
        padding: 5px;
        margin-bottom: 20px;
    }
}

/* Card Styling */
.grid-item {
    float: left;
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    border: 1px solid #333;
}

.grid-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 20px var(--glow-color), 0 0 40px var(--glow-color);
    z-index: 10;
    border-color: var(--accent-color);
}

.grid-item img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 12px;
    transition: opacity 0.3s ease;
}

/* Date Overlay */
.overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.grid-item:hover .overlay {
    opacity: 1;
}

.date-text {
    font-size: 0.85rem;
    color: #fff;
    font-weight: 300;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

/* Lightbox Modal */
.lightbox {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    flex-direction: column;
    align-items: center;
    justify-content: center;

    /* Animation hooks */
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.show {
    opacity: 1;
}

.lightbox-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 80vh;
    border-radius: 8px;
    box-shadow: 0 0 30px var(--glow-color);

    /* Image entry animation */
    transform: scale(0.8);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.lightbox.show .lightbox-content {
    transform: scale(1);
}

.close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    text-shadow: 0 0 10px red;
}

.close:hover,
.close:focus {
    color: #f43f5e;
    text-shadow: 0 0 20px red;
}

.download-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 25px;
    background-color: rgba(244, 63, 94, 0.1);
    color: #f43f5e;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    transition: all 0.3s ease;
    border: 2px solid #f43f5e;
    box-shadow: 0 0 10px var(--glow-color);
}

.download-btn:hover {
    background-color: #f43f5e;
    color: white;
    box-shadow: 0 0 20px var(--glow-color), 0 0 40px var(--accent-color);
    transform: translateY(-2px);
}

/* Heart Explosion Animation */
.heart-particle {
    position: fixed;
    color: #f43f5e;
    font-size: 20px;
    pointer-events: none;
    animation: explode 0.8s ease-out forwards;
    z-index: 2000;
    text-shadow: 0 0 5px var(--accent-color);
}

@keyframes explode {
    0% {
        transform: translate(0, 0) scale(0.5);
        opacity: 1;
    }

    100% {
        transform: translate(var(--tx), var(--ty)) scale(1.5) rotate(var(--rot));
        opacity: 0;
    }
}