/* ========================================
   Screenshot - 截图功能
   ======================================== */

/* ===== 选择模式按钮 ===== */
.select-mode-btn {
    position: absolute;
    right: 140px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-hover);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    cursor: pointer;
    color: var(--color-text);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.select-mode-btn:hover {
    background: var(--bg-hover-light);
}

.select-mode-btn.active {
    background: rgba(151, 115, 222, 0.5);
    box-shadow: 0 0 10px rgba(151, 115, 222, 0.5);
}

@media screen and (min-width: 768px) {
    .select-mode-btn {
        right: 170px;
    }
}

@media screen and (min-width: 1440px) {
    .select-mode-btn {
        right: 200px;
        padding: 10px;
    }

    .select-mode-btn svg {
        width: var(--icon-size-md);
        height: var(--icon-size-md);
    }
}

/* ===== 底部工具栏 ===== */
.screenshot-toolbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(33, 33, 33, 0.95);
    backdrop-filter: var(--blur-heavy);
    -webkit-backdrop-filter: var(--blur-heavy);
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: var(--z-modal);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.screenshot-toolbar.active {
    transform: translateY(0);
}

.toolbar-left .selected-count {
    color: var(--color-text-muted);
    font-size: var(--font-md);
}

.toolbar-left #selectedCount {
    color: var(--color-primary);
    font-weight: 600;
}

.toolbar-right {
    display: flex;
    gap: 10px;
}

.toolbar-btn {
    background: var(--bg-hover);
    border: none;
    border-radius: var(--radius-md);
    padding: 10px var(--spacing-lg);
    color: var(--color-text);
    font-size: var(--font-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.toolbar-btn:hover {
    background: var(--bg-hover-light);
}

.toolbar-btn.secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-dim);
}

.toolbar-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-text);
}

.toolbar-btn.primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    font-weight: 500;
}

.toolbar-btn.primary:hover {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    box-shadow: 0 4px 12px rgba(151, 115, 222, 0.4);
}

/* ===== 选择模式下的消息样式 ===== */
.chat-messages.select-mode .message:not(.error-centered) {
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chat-messages.select-mode .message:not(.error-centered):hover .message-content {
    box-shadow: 0 0 0 2px rgba(151, 115, 222, 0.5);
}

.message.selected-for-screenshot .message-content {
    box-shadow: 0 0 0 3px rgba(151, 115, 222, 0.8) !important;
}

.message.selected-for-screenshot .message-content::after {
    content: '✓';
    position: absolute;
    top: -10px;
    right: -10px;
    width: var(--icon-size-sm);
    height: var(--icon-size-sm);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-text);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-sm);
    font-weight: bold;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.message.received.selected-for-screenshot .message-content::after {
    right: auto;
    left: -10px;
}

/* ===== 截图渲染容器 ===== */
.screenshot-render-container {
    position: relative;
    padding: var(--spacing-xl);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 100px;
    overflow: hidden;
}

.screenshot-render-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: var(--bg-overlay);
    pointer-events: none;
    z-index: 0;
}

.screenshot-render-container>* {
    position: relative;
    z-index: 1;
}

.screenshot-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.screenshot-title {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.screenshot-date {
    font-size: 13px;
    color: var(--color-text-dim);
}

/* ===== 截图容器内的消息样式 ===== */
.screenshot-render-container .message {
    display: flex !important;
    align-items: flex-start !important;
    margin: 0 0 4px 0 !important;
    padding: 0 !important;
    position: relative !important;
}

.screenshot-render-container .message.received {
    justify-content: flex-start !important;
    flex-direction: row !important;
}

.screenshot-render-container .message.sent {
    justify-content: flex-end !important;
    flex-direction: row !important;
}

.screenshot-render-container .message.last,
.screenshot-render-container .message.single {
    margin-bottom: 10px !important;
}

.screenshot-render-container .message:first-of-type {
    margin-top: 0 !important;
}

.screenshot-render-container .message:last-of-type {
    margin-bottom: 0 !important;
}

/* 头像 */
.screenshot-render-container .avatar {
    flex-shrink: 0 !important;
    width: 40px !important;
    height: 40px !important;
    display: block !important;
}

.screenshot-render-container .message.received .avatar {
    margin: 0 var(--spacing-sm) 0 0 !important;
}

.screenshot-render-container .message.sent .avatar {
    margin: 0 0 0 var(--spacing-sm) !important;
}

.screenshot-render-container .avatar img {
    width: 100% !important;
    height: 100% !important;
    border-radius: var(--radius-full) !important;
    object-fit: cover !important;
    display: block !important;
}

.screenshot-render-container .message.middle .avatar,
.screenshot-render-container .message.last .avatar {
    display: none !important;
}

/* 消息内容 */
.screenshot-render-container .message-content {
    max-width: 280px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 2px !important;
    padding: 7px var(--spacing-md) !important;
    border-radius: var(--radius-lg) !important;
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    margin: 0 !important;
    align-self: auto !important;
    flex-shrink: 1 !important;
    min-width: 0 !important;
}

.screenshot-render-container .message.received .message-content {
    background-color: var(--msg-received-bg) !important;
    border: var(--msg-border-width, 2px) solid var(--msg-received-border) !important;
    color: var(--msg-received-color, var(--color-text)) !important;
}

.screenshot-render-container .message.sent .message-content {
    background-color: var(--msg-sent-bg) !important;
    border: var(--msg-border-width, 2px) solid var(--msg-sent-border) !important;
    color: var(--msg-sent-color, var(--color-text)) !important;
}

.screenshot-render-container .message.received.middle .message-content,
.screenshot-render-container .message.received.last .message-content {
    margin-left: calc(40px + var(--spacing-sm)) !important;
}

.screenshot-render-container .message.sent.middle .message-content,
.screenshot-render-container .message.sent.last .message-content {
    margin-right: calc(40px + var(--spacing-sm)) !important;
}

/* 发送消息的圆角样式 */
.screenshot-render-container .message.sent.single .message-content {
    border-radius: var(--radius-lg) !important;
}

.screenshot-render-container .message.sent.first .message-content {
    border-radius: var(--radius-lg) var(--radius-lg) var(--radius-sm) var(--radius-lg) !important;
}

.screenshot-render-container .message.sent.middle .message-content {
    border-radius: var(--radius-lg) var(--radius-sm) var(--radius-sm) var(--radius-lg) !important;
}

.screenshot-render-container .message.sent.last .message-content {
    border-radius: var(--radius-lg) var(--radius-sm) var(--radius-lg) var(--radius-lg) !important;
}

/* 接收消息的圆角样式 */
.screenshot-render-container .message.received.single .message-content {
    border-radius: var(--radius-lg) !important;
}

.screenshot-render-container .message.received.first .message-content {
    border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) var(--radius-sm) !important;
}

.screenshot-render-container .message.received.middle .message-content {
    border-radius: var(--radius-sm) var(--radius-lg) var(--radius-lg) var(--radius-sm) !important;
}

.screenshot-render-container .message.received.last .message-content {
    border-radius: var(--radius-sm) var(--radius-lg) var(--radius-lg) var(--radius-lg) !important;
}

/* 图片和表情 */
.screenshot-render-container .image {
    display: block !important;
}

.screenshot-render-container .image img {
    display: block !important;
    max-width: 100% !important;
    border-radius: var(--radius-md) !important;
    margin: 0 !important;
}

.screenshot-render-container .sticker {
    display: block !important;
}

.screenshot-render-container .sticker img {
    display: block !important;
    max-width: 120px !important;
    max-height: 120px !important;
    margin: 0 !important;
}

/* 文本 */
.screenshot-render-container .text-container {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    width: 100% !important;
    gap: var(--spacing-sm) !important;
}

.screenshot-render-container .text {
    word-wrap: break-word !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
    white-space: normal !important;
    font-size: var(--font-md) !important;
    line-height: 1.4 !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
    max-width: 100% !important;
}

.screenshot-render-container .sender {
    font-size: var(--font-md) !important;
    font-weight: 700 !important;
    margin-bottom: 1px !important;
    color: var(--color-accent) !important;
}

.screenshot-render-container .message-time {
    font-size: var(--font-xs) !important;
    line-height: 1.2 !important;
    opacity: 0.7 !important;
    text-align: right !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* 引用 */
.screenshot-render-container .quote-container {
    padding: var(--spacing-sm) !important;
    background-color: rgba(0, 0, 0, 0.15) !important;
    border-radius: var(--radius-md) !important;
    margin-bottom: var(--spacing-xs) !important;
}

.screenshot-render-container .quote-sender {
    font-size: var(--font-sm) !important;
    font-weight: 600 !important;
    margin-bottom: 2px !important;
    color: var(--color-accent) !important;
}

.screenshot-render-container .quote-content {
    font-size: 13px !important;
    opacity: 0.8 !important;
}

/* ===== 预览模态框 ===== */
.screenshot-preview-modal {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay-heavy);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.preview-content {
    background: rgba(40, 40, 40, 0.98);
    border-radius: var(--radius-xl);
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    animation: scaleIn var(--transition-normal);
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text);
    font-size: var(--font-lg);
    font-weight: 500;
}

.preview-close {
    background: none;
    border: none;
    color: var(--color-text-dim);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.preview-close:hover {
    background: var(--bg-hover);
    color: var(--color-text);
}

.preview-body {
    flex: 1;
    overflow: auto;
    padding: var(--spacing-xl);
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.preview-body img {
    max-width: 100%;
    max-height: 60vh;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.preview-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== 加载状态 ===== */
.screenshot-loader {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: var(--z-modal);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    color: var(--color-text);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.screenshot-loader.active {
    opacity: 1;
    visibility: visible;
}

.loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

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

/* ===== Toast 提示 ===== */
.screenshot-toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(40, 40, 40, 0.95);
    color: var(--color-text);
    padding: var(--spacing-md) 24px;
    border-radius: var(--radius-md);
    font-size: var(--font-md);
    z-index: var(--z-toast);
    opacity: 0;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.screenshot-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ===== 响应式 ===== */
@media screen and (max-width: 480px) {
    .screenshot-toolbar {
        flex-direction: column;
        gap: 10px;
        padding: 10px 15px;
    }

    .toolbar-right {
        width: 100%;
        justify-content: space-between;
    }

    .toolbar-btn {
        flex: 1;
        padding: var(--spacing-sm) 10px;
        font-size: 13px;
    }

    .preview-footer {
        flex-direction: column;
    }

    .preview-footer .toolbar-btn {
        width: 100%;
    }
}