/* ==========================================================================
   RELEASES PAGE
   ========================================================================== */

.releases-page {
    padding: 96px 0 80px;
    min-height: 100vh;
}

.page-header {
    margin-bottom: 48px;
}

.page-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

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

/* Layout */
.releases-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 48px;
    align-items: start;
}

/* Sidebar */
.releases-sidebar {
    position: relative;
}

.sidebar-sticky {
    position: sticky;
    top: 88px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    max-height: calc(100vh - 120px);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.sidebar-header h3 {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--text);
}

.version-count {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-dim);
    background: var(--bg-sub);
    padding: 4px 10px;
    border-radius: 6px;
}

.version-list {
    overflow-y: auto;
    flex: 1;
    scrollbar-width: thin;
    scrollbar-color: var(--border-hover) transparent;
}

.version-list::-webkit-scrollbar {
    width: 6px;
}

.version-list::-webkit-scrollbar-track {
    background: transparent;
}

.version-list::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 3px;
}

.version-item {
    display: block;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background-color 0.2s var(--ease);
    text-decoration: none;
    color: var(--text);
}

.version-item:hover {
    background: var(--bg-sub);
}

.version-item.active {
    background: var(--accent-soft);
    border-left: 3px solid var(--accent);
    padding-left: 17px;
}

.version-item-name {
    font-size: 0.9375rem;
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
}

.version-item-date {
    font-size: 0.75rem;
    color: var(--text-dim);
    display: block;
}

.version-item.active .version-item-name {
    color: var(--accent);
}

.loading-versions,
.loading-detail {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    gap: 16px;
    color: var(--text-sub);
    font-size: 0.9375rem;
}

/* Release Detail */
.releases-content {
    min-height: 500px;
}

.release-detail {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.release-header {
    padding: 32px;
    border-bottom: 1px solid var(--border);
}

.release-version {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.release-badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-latest {
    background: var(--accent);
    color: #fff;
}

.badge-prerelease {
    background: #8B5CF6;
    color: #fff;
}

.release-meta {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    font-size: 0.875rem;
    color: var(--text-sub);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.meta-item svg {
    color: var(--text-dim);
}

.release-actions {
    padding: 24px 32px;
    background: var(--bg-sub);
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--accent);
    color: #fff;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: background-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn-download:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: transparent;
    color: var(--text-sub);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all 0.2s var(--ease);
}

.btn-secondary:hover {
    background: var(--bg-card);
    color: var(--text);
    border-color: var(--border-hover);
}

.release-notes {
    padding: 32px;
}

.notes-header {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text);
}

.release-body {
    color: var(--text-sub);
    line-height: 1.7;
    font-size: 0.9375rem;
}

/* Markdown styles */
.release-body h1,
.release-body h2,
.release-body h3,
.release-body h4 {
    color: var(--text);
    font-weight: 700;
    margin-top: 24px;
    margin-bottom: 12px;
    line-height: 1.3;
}

.release-body h1 { font-size: 1.75rem; }
.release-body h2 { font-size: 1.5rem; }
.release-body h3 { font-size: 1.25rem; }
.release-body h4 { font-size: 1.0625rem; }

.release-body p {
    margin-bottom: 16px;
}

.release-body ul,
.release-body ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

.release-body li {
    margin-bottom: 8px;
}

.release-body code {
    background: var(--bg-sub);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.875em;
    color: var(--accent);
}

.release-body pre {
    background: var(--bg-sub);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    overflow-x: auto;
    margin-bottom: 16px;
}

.release-body pre code {
    background: none;
    padding: 0;
    color: var(--text);
}

.release-body blockquote {
    border-left: 3px solid var(--accent);
    padding-left: 16px;
    margin: 16px 0;
    color: var(--text-sub);
    font-style: italic;
}

.release-body a {
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.2s var(--ease);
}

.release-body a:hover {
    opacity: 0.8;
}

.release-body hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 24px 0;
}

.release-body img {
    max-width: 100%;
    border-radius: 8px;
    margin: 16px 0;
}

/* Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 14px;
    height: 14px;
    border: 2px solid var(--border);
    border-top-color: var(--text-dim);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Responsive */
@media (max-width: 968px) {
    .releases-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .sidebar-sticky {
        position: static;
        max-height: 400px;
    }

    .release-header {
        padding: 24px;
    }

    .release-version {
        font-size: 1.5rem;
        flex-direction: column;
        align-items: flex-start;
    }

    .release-actions {
        padding: 20px 24px;
    }

    .release-notes {
        padding: 24px;
    }
}

@media (max-width: 600px) {
    .releases-page {
        padding: 80px 0 64px;
    }

    .release-header {
        padding: 20px;
    }

    .release-version {
        font-size: 1.25rem;
    }

    .release-meta {
        flex-direction: column;
        gap: 12px;
    }

    .release-actions {
        padding: 16px 20px;
        flex-direction: column;
    }

    .btn-download,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .release-notes {
        padding: 20px;
    }
}