/* --- General Setup & Theming --- */
:root {
    --primary-bg: #0a0a0a;
    --secondary-bg: #1a1a1a;
    --primary-text: #e0e0e0;
    --accent-color: #8B0000; /* Dark Red */
    --accent-hover: #a11a1a;
    --border-color: #333;
}

html {
    -ms-overflow-style: none;  /* Internet Explorer 10+ */
    scrollbar-width: none;  /* Firefox, Safari 18.2+, Chromium 121+ */
}

html::-webkit-scrollbar { 
    display: none;  /* Older Safari and Chromium */
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--primary-bg);
    color: var(--primary-text);
    line-height: 1.6;
    overflow-x: hidden; /* Prevents horizontal scrollbar from animation */
}

/* --- Animated Background --- */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.background-animation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(139, 0, 0, 0.2), transparent 70%);
    opacity: 0.5;
}

@keyframes move {
    100% {
        transform: translate3d(0, 0, 1px) rotate(360deg);
    }
}

.background-animation span {
    width: 20vmin;
    height: 20vmin;
    border-radius: 20vmin;
    backface-visibility: hidden;
    position: absolute;
    animation: move;
    animation-duration: 45s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    mix-blend-mode: screen;
}

/* Generate multiple shapes with different properties */
.background-animation span:nth-child(1) {
    color: var(--accent-color);
    top: 50%;
    left: 10%;
    animation-duration: 50s;
    animation-delay: -1s;
    transform-origin: -1vw 22vh;
    box-shadow: -40vmin 0 5.5vmin currentColor;
}
.background-animation span:nth-child(2) {
    color: var(--accent-hover);
    top: 80%;
    left: 70%;
    animation-duration: 42s;
    animation-delay: -5s;
    transform-origin: 15vw -10vh;
    box-shadow: 40vmin 0 5.2vmin currentColor;
}
.background-animation span:nth-child(3) {
    color: var(--accent-color);
    top: 20%;
    left: 90%;
    animation-duration: 55s;
    animation-delay: -8s;
    transform-origin: -5vw 10vh;
    box-shadow: -40vmin 0 5.8vmin currentColor;
}
.background-animation span:nth-child(4) {
    color: var(--accent-hover);
    top: 5%;
    left: 40%;
    animation-duration: 48s;
    animation-delay: -12s;
    transform-origin: 20vw 5vh;
    box-shadow: 40vmin 0 5.1vmin currentColor;
}


/* --- Header & Logo --- */
.site-header {
    padding: 1rem 2rem;
    background: rgba(10, 10, 10, 0.7);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    height: 50px;
    width: 50px;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: rotate(15deg) scale(1.1);
}

.site-header h1 {
    font-size: 2rem;
    color: var(--primary-text);
    text-shadow: 0 0 10px var(--accent-color);
}

/* --- Main Content & Avatar Grid --- */
.content {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.avatar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); /* Made cards smaller */
    gap: 2rem;
    justify-items: center;
    /* align-items: start; is removed so all cards in a row have the same height */
}

.avatar-card {
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-align: center;
    padding: 1.5rem; /* Adjusted padding for smaller card size */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    position: relative;
    width: 100%; /* Ensures card fills the grid column */
}

.avatar-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5), 0 0 20px var(--accent-color);
    border-color: var(--accent-color);
}

.avatar-image {
    width: 100%;
    height: 220px; /* Set a fixed height to create uniform card sizes */
    border-radius: 8px;
    object-fit: contain; /* This fits the whole image without cropping, preserving its aspect ratio */
    background-color: var(--primary-bg); /* Adds a background for any letterboxing */
    border: 3px solid var(--accent-color);
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.avatar-card:hover .avatar-image {
    transform: scale(1.05);
}

.avatar-name {
    font-weight: bold;
    color: var(--primary-text);
    font-size: 1.1rem;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    .site-header {
        padding: 1rem;
    }

    .site-header h1 {
        font-size: 1.5rem;
    }

    .logo {
        height: 40px;
        width: 40px;
    }

    .content {
        padding: 1rem;
    }

    .avatar-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); /* Adjusted for smaller screens */
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .avatar-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}