.changelog-header {
    padding: 8rem 0 4rem;
    text-align: center;
    background: radial-gradient(circle at 50% 0%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
}

.changelog-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, var(--purple-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.changelog-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.changelog-content {
    padding: 4rem 0 6rem;
}

.changelog-list {
    max-width: 900px;
    margin: 0 auto;
}

.loading {
    text-align: center;
    padding: 4rem 0;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(139, 92, 246, 0.1);
    border-top-color: var(--purple-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

.release {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 2rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.release:hover {
    border-color: var(--purple-primary);
    box-shadow: 0 5px 20px rgba(139, 92, 246, 0.2);
}

.release-header {
    padding: 1.5rem 2rem;
    background: rgba(139, 92, 246, 0.05);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.release-header:hover {
    background: rgba(139, 92, 246, 0.1);
}

.release-title {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.release-version {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--purple-light);
}

.release-badge {
    padding: 0.25rem 0.75rem;
    background: var(--purple-primary);
    color: white;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.release-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.release-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.release-downloads {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.expand-icon {
    transition: transform 0.3s ease;
}

.release.expanded .expand-icon {
    transform: rotate(180deg);
}

.release-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.release.expanded .release-body {
    max-height: 5000px;
}

.release-content {
    padding: 2rem;
}

.release-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.release-description h1,
.release-description h2,
.release-description h3 {
    color: var(--text-primary);
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.release-description h1 {
    font-size: 1.75rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.release-description h2 {
    font-size: 1.5rem;
    color: var(--purple-light);
}

.release-description h3 {
    font-size: 1.25rem;
}

.release-description ul,
.release-description ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.release-description li {
    margin-bottom: 0.5rem;
}

.release-description code {
    background: rgba(139, 92, 246, 0.1);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.release-description pre {
    background: rgba(139, 92, 246, 0.05);
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    border: 1px solid var(--border-color);
}

.release-description pre code {
    background: none;
    padding: 0;
}

.release-description a {
    color: var(--purple-light);
    text-decoration: none;
    transition: color 0.3s;
}

.release-description a:hover {
    color: var(--purple-primary);
    text-decoration: underline;
}

.release-description img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1rem 0;
    border: 1px solid var(--border-color);
}

.release-assets {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.asset-download {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.asset-download:hover {
    background: rgba(139, 92, 246, 0.2);
    border-color: var(--purple-primary);
    transform: translateY(-2px);
}

.asset-icon {
    color: var(--purple-light);
}

.asset-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.asset-name {
    font-weight: 500;
}

.asset-size {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .changelog-header h1 {
        font-size: 2rem;
    }

    .release-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .release-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .release-assets {
        flex-direction: column;
    }

    .asset-download {
        width: 100%;
    }
}