:root {
    --bg: #0f1117;
    --surface: #1a1d27;
    --border: #252836;
    --accent: #4f8ef7;
    --text: #e2e4ef;
    --muted: #6b7090;
    --radius: 8px;
}
body {
    background: var(--bg);
    color: var(--text);
    font-family: system-ui;
    margin: 0;
}
header {
    background: #12151f;
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
    height: 56px;
    display: flex;
    align-items: center;
}
.logo {
    color: var(--accent);
    font-weight: bold;
    text-decoration: none;
    font-family: monospace;
}
main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: transform 0.1s;
    position: relative;
}
.card:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
}
.card-img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    background: #000;
}
.folder-icon {
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    background: #1c202d;
    color: #f7c948;
}
.iso-icon {
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    background: #12151f;
}
.card-body {
    padding: 1rem;
}
.card-name {
    font-weight: bold;
    color: var(--accent);
    margin-bottom: 0.5rem;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.card-desc {
    font-size: 0.8rem;
    color: var(--muted);
    height: 3em;
    overflow: hidden;
}
.bc {
    background: var(--surface);
    padding: 0.6rem 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
}
.bc a {
    color: var(--accent);
    text-decoration: none;
}
.tbl {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
}
.tbl th {
    text-align: left;
    padding: 1rem;
    background: #1e2132;
    color: var(--muted);
    font-size: 0.75rem;
}
.tbl td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

/* Button style */
.btn {
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    text-decoration: none;
    background: transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    transition: background 0.2s, color 0.2s;
}

.btn:hover {
    background: var(--accent);
    color: #fff;
}

/* Modal styles */
.modal-overlay {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.modal-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}
.modal-content {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}
.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}
.modal-title {
    margin: 0;
    font-size: 1.2rem;
    color: var(--text);
}
.close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--muted);
    font-size: 1.5rem;
    cursor: pointer;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.close-btn:hover {
    color: var(--text);
}
.modal-body {
    padding: 1.5rem;
}
.modal-image {
    width: 100%;
    max-height: 300px;
    object-fit: contain;
    background: #000;
    border-radius: 4px;
    margin-bottom: 1rem;
    display: none;
}
.modal-description {
    color: var(--text);
    line-height: 1.6;
    white-space: pre-wrap;
}
