/* ===========================================================
   发布区：通道切换、版本条目、徽章、附件下载按钮、分页、空状态
   =========================================================== */

#release-info {
    margin: 4rem 0;
}

.release-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.release-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--md-sys-color-on-surface-variant);
}

/* ---------- 通道切换（Segmented Buttons） ---------- */
.segmented-buttons {
    display: inline-flex;
    border: 1px solid var(--md-sys-color-outline);
    border-radius: 6.25rem;
    overflow: hidden;
    background-color: var(--md-sys-color-surface-container-low);
    max-width: 100%;
}
.segmented-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    height: 2.5rem;
    padding: 0 1rem;
    border: none;
    border-right: 1px solid var(--md-sys-color-outline);
    background: transparent;
    color: var(--md-sys-color-on-surface-variant);
    font-family: inherit;
    font-size: var(--md-sys-typescale-label-large-size);
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: background-color var(--transition-duration) var(--transition-timing),
                color var(--transition-duration) var(--transition-timing);
    -webkit-tap-highlight-color: transparent;
}
.segmented-btn:last-child { border-right: none; }
.segmented-btn .material-symbols-outlined { font-size: 1.125rem; }
.segmented-btn:hover {
    background-color: color-mix(in srgb, var(--md-sys-color-on-surface), transparent 92%);
}
.segmented-btn.is-active {
    background-color: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
}
@media (max-width: 560px) {
    .segmented-buttons { width: 100%; }
    .segmented-btn { flex: 1; padding: 0 0.5rem; font-size: 0.8125rem; }
    .segmented-btn .material-symbols-outlined { font-size: 1rem; }
}

/* ---------- 通道说明 ---------- */
.channel-desc {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    background-color: var(--md-sys-color-surface-container-low);
    border-left: 4px solid var(--md-sys-color-primary);
    color: var(--md-sys-color-on-surface-variant);
}
.channel-desc .material-symbols-outlined {
    font-size: 1.25rem;
    flex-shrink: 0;
    color: var(--md-sys-color-primary);
}

/* ---------- 加载状态 ---------- */
.release-loader-container {
    text-align: center;
    padding: 2rem;
    color: var(--md-sys-color-on-surface-variant);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

/* ---------- 版本条目 ---------- */
.release-item {
    padding: 1.5rem;
    border: 1px solid var(--md-sys-color-outline-variant);
    border-radius: 1rem;
    background-color: var(--md-sys-color-surface-container);
    word-wrap: break-word;
    overflow-wrap: break-word;
}
.release-item + .release-item { margin-top: 1rem; }
.release-item-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.release-item-tag {
    font-size: 0.8rem;
    padding: 0.25rem 0.6rem;
    border-radius: 0.5rem;
    background-color: var(--md-sys-color-tertiary-container);
    color: var(--md-sys-color-on-tertiary-container);
}
.release-item-heading {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 0;
}
.release-item-title {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--md-sys-color-primary);
}
.release-item-title:hover { text-decoration: underline; }
.release-item-title .material-symbols-outlined { font-size: 1.125rem; }
.release-item-date {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}
.release-item-date .material-symbols-outlined { font-size: 1rem; }

.release-item .release-description,
.release-item .release-asset-name {
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: normal;
}

/* ---------- 更新日志正文 ---------- */
.release-item-body {
    color: var(--md-sys-color-on-surface-variant);
    max-height: 22rem;
    overflow-y: auto;
}
.release-item-body h1, .release-item-body h2, .release-item-body h3 { margin-bottom: 0.5em; font-size: 1.05rem; }
.release-item-body ul, .release-item-body ol { padding-left: 1.25rem; margin-bottom: 0.5rem; }
.release-item-body li { margin-bottom: 0.25em; }
.release-item-body p { margin-bottom: 0.5rem; }
.release-item-body a { color: var(--md-sys-color-primary); text-decoration: underline; }
.release-item-body code {
    background-color: var(--md-sys-color-surface-container-highest);
    padding: 0.1em 0.35em;
    border-radius: 0.25rem;
    font-size: 0.875em;
}
.release-item-body pre {
    background-color: var(--md-sys-color-surface-container-highest);
    padding: 0.75rem;
    border-radius: 0.5rem;
    overflow-x: auto;
}
.release-item-body img { border-radius: 0.5rem; }

/* ---------- 版本徽章 ---------- */
.release-item-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.release-item-badges .chip {
    height: 1.75rem;
    padding: 0 0.625rem;
    font-size: 0.75rem;
    gap: 0.25rem;
}
.release-item-badges .chip .material-symbols-outlined { font-size: 1rem; }
.chip--stable {
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
}
.chip--preview {
    background-color: var(--md-sys-color-tertiary-container);
    color: var(--md-sys-color-on-tertiary-container);
}
.chip--beta,
.chip--prerelease {
    background-color: var(--md-sys-color-error-container);
    color: var(--md-sys-color-on-error-container);
}
.chip--latest {
    background-color: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
}

/* ---------- 附件分组 ---------- */
.release-assets-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.release-assets-title .material-symbols-outlined { font-size: 1.25rem; color: var(--md-sys-color-primary); }

.release-item-actions {
    margin-top: 0;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.asset-group-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.625rem;
    color: var(--md-sys-color-on-surface);
}
.asset-group-header .material-symbols-outlined { font-size: 1.25rem; color: var(--md-sys-color-on-surface-variant); }
.asset-group-hint { font-size: 0.75rem; }
.asset-group-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 0.75rem;
}

/* ---------- 下载按钮 ---------- */
.download-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--md-sys-color-outline-variant);
    border-radius: 0.875rem;
    background-color: var(--md-sys-color-surface-container-low);
    color: var(--md-sys-color-on-surface);
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    transition: background-color var(--transition-duration) var(--transition-timing),
                border-color var(--transition-duration) var(--transition-timing),
                transform var(--transition-duration) var(--transition-timing),
                box-shadow var(--transition-duration) var(--transition-timing);
    -webkit-tap-highlight-color: transparent;
}
.download-btn:hover {
    background-color: var(--md-sys-color-secondary-container);
    border-color: var(--md-sys-color-secondary);
    box-shadow: 0 1px 3px 1px rgba(0,0,0,0.12);
    transform: translateY(-2px);
}
.download-btn:active { transform: scale(0.99); }
.download-btn-icon {
    flex-shrink: 0;
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    font-size: 1.25rem;
}
.download-btn-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.download-btn-title {
    font-size: var(--md-sys-typescale-label-large-size);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.download-btn-meta {
    font-size: 0.75rem;
    color: var(--md-sys-color-on-surface-variant);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.download-btn.is-checking { opacity: 0.6; pointer-events: none; }
.download-btn.is-checking .download-btn-icon {
    animation: spin 1s linear infinite;
}

/* ---------- 分页 ---------- */
.release-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 20px;
}
.release-navigation .btn {
    display: flex;
    align-items: center;
}
.release-navigation .card-subtitle {
    margin: 0;
    padding: 0;
    line-height: 1;
}

/* ---------- 空状态 ---------- */
.release-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 3rem 1rem;
    color: var(--md-sys-color-on-surface-variant);
}
.release-empty .material-symbols-outlined { font-size: 2.5rem; }