/* --- 聊天相关样式 --- */

:root {
    --panel-height: 35vh; /* 默认面板高度 */
}

/* 聊天列表屏幕 */
#chat-list-screen .content {
    padding: 10px 0 80px 0;
}

/* 聊天列表项 */
.list-container {
    list-style: none;
    margin: 0;
    padding: 0;
}

.list-item {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
    transition: background-color 0.2s ease;
    position: relative;
}

.list-item:hover {
    background-color: #fdf6f8;
}

.chat-item.pinned {
    background-color: #ffffff;
}

.chat-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
    object-fit: cover;
    flex-shrink: 0;
    background-color: #eee;
}

.group-avatar {
    border-radius: 10px;
}

.item-details {
    flex-grow: 1;
    overflow: hidden;
}

.item-details-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.item-name {
    font-weight: 600;
    color: var(--text-color);
    font-size: calc(16px * var(--app-font-scale));
}

.item-preview-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
}

.item-preview {
    font-size: calc(14px * var(--app-font-scale));
    color: #888;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-grow: 1;
}

.item-time {
    font-size: 12px;
    color: #aaa;
    white-space: nowrap; /* 防止时间换行 */
}

.pin-badge {
    background-color: var(--primary-color);
    color: white;
    font-size: 10px;
    font-weight: bold;
    padding: 2px 6px;
    border-radius: 5px;
    white-space: nowrap;
    flex-shrink: 0;
}

/* 未读消息红点样式 */
.unread-badge {
    position: absolute; /* 关键：使用绝对定位 */
    top: 60%;          /* 距离顶部12px */
    right: 20px;        /* 距离右侧20px */
    background-color: #ff3b30;
    color: white;
    font-size: 12px;
    font-weight: 500;
    line-height: 18px;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    padding: 0 5px;
    text-align: center;
    z-index: 2; /* 确保红点在其他元素之上 */
    opacity: 0;
    transform: translateY(-60%) scale(0.5);
    transition: opacity 0.2s ease, transform 0.2s ease;
    display: none;
}

.unread-badge.visible {
    opacity: 1;
    transform: translateY(-60%) scale(1);
    display: inline-block;
}

/* KKT 风格聊天列表样式追加 */
.chat-list-header {
    background-color: #fff !important;
    padding: 15px 20px 5px 20px !important;
    padding-top: max(15px, env(safe-area-inset-top)) !important;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: none !important;
    border-bottom: none !important;
}

.header-left {
    display: flex;
    align-items: center;
    position: relative;
}

.chat-list-header .title {
    font-size: calc(26px * var(--app-font-scale)) !important;
    font-weight: 700 !important;
    color: #000 !important;
    margin: 0 !important;
    position: static !important;
    transform: none !important;
    letter-spacing: -0.5px;
    user-select: none;
    font-family: 'Poppins', sans-serif !important;
}

.hidden-back-btn {
    position: absolute;
    top: -10px;
    left: 0px;
    width: 400px;
    height: 400px;
    opacity: 0;
    margin: 0;
    pointer-events: auto;
    z-index: 10;
    cursor: pointer;
}

.chat-list-header .action-btn-group {
    gap: 15px !important;
}

.chat-list-header .action-btn {
    color: var(--kkt-icon-color) !important;
    padding: 0 !important;
    width: 24px !important;
    height: 24px !important;
}

.chat-list-header .action-btn svg {
    stroke: var(--kkt-icon-color) !important;
    stroke-width: 1.8px !important;
}

/* 分类 Tab 栏 (KakaoTalk 风格) */
.chat-category-tabs {
    display: flex;
    gap: 5px;
    padding: 1px 20px 5px 20px; 
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    border-bottom: none;
    background: #fff;
    flex-shrink: 0; 
    z-index: 5;
}
.chat-category-tabs::-webkit-scrollbar {
    display: none;
}

.tab-item {
    flex-shrink: 0;
    padding: 0 14px;
    height: 38px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    box-sizing: border-box;
}

.tab-item.active.pill-black { 
    background-color: #1e1e1e;
    color: #fff;
    border-color: #1e1e1e;
}

.tab-item.pill-white {
    background-color: #fff;
    border-color: #e2e2e2;
    color: #333;
}

.tab-item.tab-manage {
    padding: 0 10px;
    background-color: #fff;
    border-color: #e2e2e2;
    color: #666;
}

.tab-item svg {
    width: 16px;
    height: 16px;
}

/* 聊天列表项重构 */
#chat-list-container .list-item {
    padding: 14px 20px !important;
    background: #fff;
    align-items: center !important;
    border-bottom: none !important;
    height: 80px;
}

#chat-list-container .list-item:hover {
    background-color: #f2f2f2;
}

#chat-list-container .chat-avatar {
    width: 50px !important;
    height: 50px !important;
    border-radius: 20px !important; /* Squircle 风格 */
    margin-right: 15px !important;
    flex-shrink: 0;
    border: 1px solid #f0f0f0;
}

#chat-list-container .item-details {
    margin-left: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

#chat-list-container .item-details-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 4px;
}

#chat-list-container .item-name {
    font-size: calc(16px * var(--app-font-scale)) !important;
    font-weight: 600 !important;
    color: #222 !important;
}

#chat-list-container .item-preview-wrapper {
    margin-top: 0 !important;
    justify-content: space-between;
    align-items: center;
    display: flex;
}

#chat-list-container .item-preview {
    font-size: calc(13px * var(--app-font-scale)) !important;
    color: #888 !important;
    line-height: 1.4 !important;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap !important;
    max-width: 90%;
}

#chat-list-container .item-meta-container {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-between;
    height: 40px;
    min-width: 60px;
    margin-left: 10px;
}

#chat-list-container .item-time {
    font-size: 11px !important;
    color: #bbb !important;
    margin-top: -2px;
}

#chat-list-container .unread-badge {
    position: static !important;
    transform: none !important;
    background-color: #ff3b30;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    border-radius: 9px;
    padding: 0 5px;
    font-size: 11px;
    margin-top: 5px;
    display: none;
}

#chat-list-container .unread-badge.visible {
    display: inline-block !important;
}

/* --- 聊天室屏幕 --- */
#chat-room-screen {
    background-size: cover;
    background-position: center;
}

/* 聊天室头部 */
#chat-room-header-default {
    background-color: transparent !important;
    backdrop-filter: none !important;
    border-bottom: none !important;
    padding: 15px 20px !important;
    padding-top: max(15px, env(safe-area-inset-top)) !important;
}

#chat-room-header-default .title-container {
    position: static !important;
    transform: none !important;
    margin-left: 10px;
    text-align: left !important;
    flex-grow: 1;
    align-items: flex-start !important;
}

#chat-room-header-default.title-centered .title-container {
    position: absolute !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    margin-left: 0 !important;
    text-align: center !important;
    align-items: center !important;
}

#chat-room-header-default .title {
    font-size: 16px !important;
    font-weight: 600 !important;
    color: var(--global-title-color) !important;
}

#chat-room-header-default .back-btn,
#chat-room-header-default .action-btn {
    color: var(--func-icon-color) !important;
    width: 32px !important;
    height: 32px !important;
}

#chat-room-header-default .action-btn svg,
#chat-room-header-default .back-btn svg {
    stroke: var(--func-icon-color) !important;
    stroke-width: 2px !important;
}

#chat-room-header-default .action-btn-group {
    gap: 4px;
}

#chat-room-header-default .action-btn-group .action-btn {
    width: 34px;
    height: 34px;
    padding: 5px;
}

#chat-room-header-default .action-btn-group .action-btn img {
    width: 24px;
    height: 24px;
}

#chat-room-screen .content {
    display: flex;
    flex-direction: column;
    padding: 0;
    padding-bottom: 0;
    transition: padding-bottom 0.3s ease;
}

#chat-room-screen.multi-select-active .content {
    padding-bottom: 70px;
}

/* 消息区域 */
.message-area {
    flex-grow: 1;
    overflow-y: auto;
    padding: 10px 10px 10px;
    scroll-behavior: smooth;
}

.message-wrapper {
    display: flex;
    margin-bottom: 12px;
    align-items: flex-start;
    transition: background-color 0.2s;
    flex-direction: column;
}

/* 防遮挡补丁：引用消息 */
.message-wrapper:has(.quoted-message) {
    margin-bottom: 35px !important;
}

.message-wrapper.group-message {
    margin-bottom: 18px;
}

.message-wrapper.sent {
    align-items: flex-end;
}

.message-wrapper.received {
    align-items: flex-start;
}

.message-wrapper.system-notification {
    align-items: center;
}

.message-wrapper.multi-select-selected {
    background-color: rgba(144, 202, 249, 0.2);
    border-radius: var(--border-radius);
}

.message-bubble-row {
    display: flex;
    width: 100%;
    align-items: flex-start;
}

.message-wrapper.sent .message-bubble-row {
    flex-direction: row-reverse;
}

.message-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    flex-shrink: 0;
}

.group-msg-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    max-width: 75%;
}

.group-msg-content .message-bubble {
    max-width: 100%;
}

.group-nickname {
    position: static;
    font-size: 12px;
    color: #666;
    margin-bottom: 2px;
    margin-left: 10px;
    max-width: 200px;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--chat-avatar-radius);
    object-fit: cover;
}

.avatar-hidden { display: none !important; }
.avatar-invisible { visibility: hidden !important; }

/* 消息时间戳 */
.message-time {
    font-size: 9px;
    color: #aaa;
    margin-top: 3px;
    display: none;
}

#chat-room-screen.show-timestamp .message-time {
    display: block;
}

.message-avatar.avatar-hidden + .message-time,
.message-avatar.avatar-invisible + .message-time {
    display: none !important;
}

/* 消息气泡基础 */
.message-bubble {
    max-width: 75%;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    word-wrap: break-word;
    white-space: pre-wrap;
    line-height: 1.4;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    margin: 0 8px;
    cursor: pointer;
    font-size: calc(15px * var(--app-font-scale));
    display: block;
    position: relative;
    overflow: visible !important;
}

.message-bubble.sent {
    border-bottom-right-radius: 5px;
}

.message-bubble.received {
    border-bottom-left-radius: 5px;
}

/* 调试模式样式 */
.message-bubble.debug-visible {
    background-color: rgba(238, 238, 238, 0.8) !important;
    border: 1px dashed #999 !important;
    color: #555 !important;
    font-family: monospace;
    font-size: 13px;
    position: relative;
    white-space: pre-wrap;
}

.message-bubble.debug-visible::before {
    content: '【调试可见】';
    display: block;
    font-size: 10px;
    color: #d32f2f;
    margin-bottom: 4px;
    font-weight: bold;
}

/* 系统通知气泡 */
.system-notification-bubble {
    background-color: rgba(200, 200, 200, 0.5);
    color: #666;
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 10px;
    text-align: center;
}

/* 引用消息 (仿微信) */
.quoted-message {
    position: absolute;
    bottom: -32px;
    z-index: 0;
    min-width: 100px;
    max-width: 180px;
    height: 24px;
    background-color: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(5px);
    border-radius: 6px;
    padding: 0 8px;
    border: none;
    margin: 0;
    font-size: 11px;
    color: #555;
    line-height: 24px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
    pointer-events: auto;
}

.message-wrapper.sent .quoted-message {
    right: 0;
    left: auto;
    text-align: right;
}

.message-wrapper.received .quoted-message {
    left: 0;
    right: auto;
    text-align: left;
}

.quoted-sender {
    display: inline;
    font-weight: 600;
    margin-right: 4px;
    color: #333;
}
.quoted-sender::after { content: ":"; }
.quoted-text { display: inline; color: #666; }

/* 撤回消息样式 */
.withdrawn-message {
    color: #999;
    font-size: 12px;
    padding: 4px 10px;
    text-align: center;
    cursor: pointer;
    display: inline-block;
    background-color: #e0e0e0;
    border-radius: 10px;
}

.withdrawn-content {
    font-size: 14px;
    color: #555;
    background-color: rgba(255, 255, 255, 0.7);
    padding: 8px 12px;
    margin-top: 5px;
    border-radius: 10px;
    line-height: 1.6;
    max-width: calc(100% - 88px);
    display: none;
    animation: fadeIn 0.3s ease;
    align-self: center;
}

.withdrawn-content.active { display: block; }

/* 图片/表情包消息 */
.image-bubble {
    max-width: 84px;
    margin: 0 8px;
    padding: 0;
    background-color: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
    cursor: pointer;
    border-radius: 0;
}

.image-bubble img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

/* 语音消息 */
.voice-bubble {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    margin: 0 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 90px;
    max-width: 200px;
}

.message-wrapper.sent .voice-bubble {
    border-bottom-right-radius: 5px;
    flex-direction: row-reverse;
}

.message-wrapper.received .voice-bubble {
    border-bottom-left-radius: 5px;
}

.voice-bubble .play-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.voice-bubble .duration {
    font-size: 13px;
    margin: 0 8px;
    white-space: nowrap;
}

.message-wrapper.sent .play-icon { transform: scaleX(-1); }

.voice-transcript {
    font-size: 14px;
    color: #555;
    background-color: rgba(255, 255, 255, 0.7);
    padding: 8px 12px;
    margin-top: 5px;
    margin-left: 44px;
    margin-right: 44px;
    border-radius: 10px;
    line-height: 1.6;
    max-width: calc(100% - 88px);
    display: none;
    animation: fadeIn 0.3s ease;
}

.voice-transcript.active { display: block; }

.message-wrapper.sent .voice-transcript {
    align-self: flex-end;
    margin-right: 44px;
    margin-left: auto;
}

.message-wrapper.received .voice-transcript {
    align-self: flex-start;
    margin-left: 44px;
    margin-right: auto;
}

/* 照片/视频卡片 (PV Card) */
.pv-card {
    width: 230px;
    aspect-ratio: 1 / 1;
    background-color: #f0f0f0;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    margin: 0 8px;
}

.message-wrapper.sent .pv-card { border-bottom-right-radius: 5px; }
.message-wrapper.received .pv-card { border-bottom-left-radius: 5px; }

.pv-card-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: opacity 0.5s ease-in-out;
    z-index: 2;
}

.pv-card-image-overlay.hidden { opacity: 0; pointer-events: none; }

.pv-card-content {
    padding: 15px;
    height: 100%;
    overflow-y: auto;
    color: var(--text-color);
    line-height: 1.6;
    font-size: 15px;
    background-color: white;
    position: relative;
    z-index: 1;
}

.pv-card-footer {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
    color: white;
    padding: 20px 10px 8px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 5px;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 3;
    pointer-events: none;
    transition: opacity 0.5s ease-in-out;
}

.pv-card-footer.hidden { opacity: 0; }
.pv-card-footer svg { width: 14px; height: 14px; fill: white; flex-shrink: 0; }

/* 转账卡片 */
.transfer-card {
    width: 200px;
    height: 120px;
    background-color: #FFFFFF;
    border: 1px solid #E5E5E5;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    color: #333;
    margin: 0 8px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.message-wrapper.sent .transfer-card { border-bottom-right-radius: 5px; }
.message-wrapper.received .transfer-card { border-bottom-left-radius: 5px; }

.transfer-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background-color: #FEE500;
}

.transfer-content {
    padding: 10px 12px 8px 12px;
    text-shadow: none;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.transfer-title {
    font-size: 11px;
    color: #999;
    margin: 4px 0 0 0;
    display: flex;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
}

.transfer-title::before {
    content: 'P';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    background-color: #FEE500;
    color: #191919;
    font-weight: bold;
    font-size: 9px;
    border-radius: 3px;
}

.transfer-amount {
    font-size: 20px;
    font-weight: 700;
    color: #191919;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 0;
}

.transfer-remark {
    font-size: 11px;
    color: #666;
    margin: 0;
    font-style: normal;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    max-height: 2.6em;
}

.transfer-status {
    font-size: 10px;
    color: #FEE500;
    background-color: #333;
    padding: 4px 0;
    text-align: center;
    border-radius: 4px;
    font-weight: 500;
    border-top: none;
    flex-shrink: 0;
    margin-top: 4px;
}

.transfer-card.received .transfer-status {
    background-color: #F2F2F2;
    color: #999;
}

/* 礼物卡片 */
.gift-card {
    width: 230px;
    background-color: #fff;
    border: 2px solid #333;
    border-radius: var(--border-radius);
    box-shadow: 4px 4px 0px #ddd;
    padding: 10px;
    display: flex;
    align-items: center;
    cursor: pointer;
    margin: 0 8px;
    position: relative;
    overflow: hidden;
}

.message-wrapper.sent .gift-card { border-bottom-right-radius: 5px; }
.message-wrapper.received .gift-card { border-bottom-left-radius: 5px; }

.gift-card-icon {
    width: 50px;
    height: 50px;
    margin-right: 15px;
    flex-shrink: 0;
}

.gift-card-text {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    font-family: 'Comic Sans MS', 'Chalkduster', 'Handwriting', cursive;
}

.gift-card-description {
    font-size: 14px;
    color: #555;
    background-color: rgba(240, 240, 240, 0.9);
    padding: 8px 12px;
    margin-top: 5px;
    margin-left: 44px;
    margin-right: 44px;
    border-radius: 10px;
    line-height: 1.6;
    max-width: calc(100% - 88px);
    display: none;
    animation: fadeIn 0.3s ease;
}

.gift-card-description.active { display: block; }

.message-wrapper.sent .gift-card-description {
    align-self: flex-end;
    margin-right: 44px;
    margin-left: auto;
}

.message-wrapper.received .gift-card-description {
    align-self: flex-start;
    margin-left: 44px;
    margin-right: auto;
}

.gift-card-received-stamp {
    position: absolute;
    top: 5px;
    right: 5px;
    font-size: 14px;
    font-weight: bold;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    padding: 2px 6px;
    transform: rotate(15deg);
    opacity: 0;
    transition: opacity 0.3s ease;
    font-family: 'Comic Sans MS', 'Chalkduster', 'Handwriting', cursive;
}

.gift-card.received .gift-card-received-stamp { opacity: 1; }

/* 双语翻译 */
.bilingual-bubble {
    position: relative;
    cursor: pointer;
}

.translation-text {
    font-size: 14px;
    color: #555;
    background-color: rgba(255, 255, 255, 0.7);
    padding: 4px 10px;
    margin-top: 5px;
    margin-left: 44px;
    margin-right: 8px;
    border-radius: 10px;
    max-width: calc(100% - 52px);
    display: none;
    animation: fadeIn 0.3s ease;
    align-self: flex-start;
}

.message-wrapper.sent .translation-text {
    align-self: flex-end;
    margin-right: 44px;
    margin-left: 8px;
}

.translation-text.active { display: block; }

/* 气泡内双语样式 */
.bilingual-bubble.inner-style {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.bilingual-divider {
    height: 1px;
    background-color: rgba(0, 0, 0, 0.1);
    margin: 2px 0;
    width: 100%;
}

.translation-inner {
    font-size: 0.8em;
    opacity: 0.7;
    line-height: 1.4;
}

.message-bubble.sent .bilingual-divider {
    background-color: rgba(255, 255, 255, 0.3);
}

.bilingual-bubble.inner-no-line-style {
    display: flex;
    flex-direction: column;
    gap: 0px;
}

.bilingual-bubble.inner-no-line-style .bilingual-divider { display: none; }

.bilingual-bubble.inner-no-line-style .translation-inner {
    font-size: 0.8em;
    opacity: 0.7;
    line-height: 1.2;
    margin-top: 2px;
}

/* 磨砂开关 */
#chat-room-screen.disable-blur .message-bubble,
#chat-room-screen.disable-blur .quoted-message,
#chat-room-screen.disable-blur .withdrawn-content,
#chat-room-screen.disable-blur .gift-card-description,
#chat-room-screen.disable-blur .voice-transcript {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}

/* 无头像模式边距调整 */
.message-wrapper.no-avatar-layout .voice-transcript,
.message-wrapper.no-avatar-layout .translation-text,
.message-wrapper.no-avatar-layout .gift-card-description,
.message-wrapper.no-avatar-layout .withdrawn-content {
    margin-left: 8px !important;
    margin-right: 8px !important;
    max-width: calc(100% - 16px) !important;
}

/* 正在输入提示 */
.typing-indicator {
    text-align: center;
    color: #aaa;
    font-style: italic;
    font-size: 14px;
    padding: 10px 0;
    display: none;
}

/* 加载更多按钮 */
.load-more-btn {
    background-color: #e0e0e0;
    color: #757575;
    border: none;
    padding: 8px 16px;
    margin: 10px auto;
    border-radius: 15px;
    cursor: pointer;
    display: block;
    font-size: 13px;
    font-weight: 500;
}

.load-more-btn:hover { background-color: #d1d1d1; }

/* 聊天输入框区域 */
.chat-input-wrapper {
    flex-shrink: 0;
}

.message-input-area {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    padding-bottom: 8px;
    border-top: none;
    background: var(--chat-bottom-bar-bg);
    flex-shrink: 0;
    gap: 8px;
    border-bottom-left-radius: var(--phone-corner-radius);
    border-bottom-right-radius: var(--phone-corner-radius);
    overflow: visible;
}

.input-wrapper {
    flex-grow: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.message-input-area input {
    width: 100%;
    border: none;
    padding: 8px 12px;
    padding-right: 36px;
    border-radius: 20px;
    background-color: #f2f2f2;
    min-width: 0;
    font-size: calc(16px * var(--app-font-scale));
    height: 36px;
}

.message-input-area input:focus {
    outline: none;
    background-color: #ebebeb;
}

.message-input-area .icon-btn {
    border: none;
    cursor: pointer;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    padding: 0;
}

.message-input-area .icon-btn.circle-bg {
    background-color: #f2f2f2;
    color: var(--func-icon-color);
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.message-input-area .icon-btn.circle-bg:active {
    background-color: #e0e0e0;
}

.message-input-area .icon-btn.input-inner-btn {
    position: absolute;
    right: 4px;
    background: transparent;
    color: #666;
    width: 28px;
    height: 28px;
}

.message-input-area .icon-btn svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2px;
    fill: none;
}

.message-input-area .icon-btn img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    display: block;
}

/* 图标大小自定义 */
#sticker-toggle-btn img { width: 24px; height: 24px; }
#get-reply-btn svg { width: 32px; height: 32px; stroke: none; }

#toggle-expansion-btn {
    transition: transform 0.3s ease, background-color 0.2s;
}
#toggle-expansion-btn.rotate-45 {
    transform: rotate(45deg);
    background-color: #e0e0e0;
}

#send-message-btn { display: none; }
#get-reply-btn {
    background-color: transparent;
    color: var(--func-icon-color);
}

/* 引用预览栏 */
#reply-preview-bar {
    display: none;
    padding: 8px 12px;
    background-color: rgba(240, 240, 240, 0.9);
    backdrop-filter: blur(10px);
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    animation: fadeIn 0.2s ease-out;
}

#reply-preview-bar.visible { display: flex; }

.reply-preview-content {
    flex-grow: 1;
    overflow: hidden;
    border-left: 3px solid var(--primary-color);
    padding-left: 8px;
}

.reply-preview-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-color);
    display: block;
}

.reply-preview-text {
    font-size: 14px;
    color: #666;
    margin: 2px 0 0 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#cancel-reply-btn {
    background: none;
    border: none;
    font-size: 20px;
    color: #999;
    cursor: pointer;
    padding: 5px;
    line-height: 1;
}

/* 扩展面板 */
#chat-expansion-panel {
    position: static;
    width: 100%;
    height: 0;
    background: #f7f7f7;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    box-shadow: none;
    z-index: auto;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: height 0.3s cubic-bezier(0.25, 0.8, 0.5, 1);
    flex-shrink: 0;
}

#chat-expansion-panel.no-transition {
    transition: none !important;
}

#chat-expansion-panel.visible {
    height: 35%; /* 固定高度 */
    border-top: 1px solid #eee;
}

.panel-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
}

.expansion-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    padding: 20px;
    overflow-y: auto;
}

/* 功能面板分页滑动样式 */
.function-swiper-container {
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    padding-bottom: 20px; /* 给指示点留空间 */
}

.function-swiper-wrapper {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -ms-overflow-style: none;
    height: 100%;
    width: 100%;
    scroll-behavior: smooth;
}

.function-swiper-wrapper::-webkit-scrollbar {
    display: none;
}

.function-slide {
    flex: 0 0 100%;
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 15px;
    padding: 20px 20px 0 20px; /* 底部padding由 container 提供 */
    scroll-snap-align: start;
    box-sizing: border-box;
    align-content: flex-start;
}

.function-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 10px 0;
    position: absolute;
    bottom: 0;
    width: 100%;
    left: 0;
    background: transparent;
}

.function-pagination .dot {
    width: 6px;
    height: 6px;
    background-color: #d0d0d0;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.function-pagination .dot.active {
    background-color: #7a7a7a;
}

.expansion-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

.expansion-item-icon {
    width: 50px;
    height: 50px;
    border-radius: 15px;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
    transition: background-color 0.2s;
}

.expansion-item:hover .expansion-item-icon {
    background-color: #f0f0f0;
}

.expansion-item-icon svg {
    width: 24px;
    height: 24px;
    fill: #555;
}

.expansion-item-name {
    font-size: 12px;
    color: #666;
}

/* 表情包面板 */
#panel-sticker-area {
    background: #fff;
    height: 100%;
}

#panel-sticker-area .header {
    background: #fff;
    border-bottom: none;
    padding: 12px 15px;
}

.sticker-nav-row {
    display: flex;
    align-items: center;
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
    padding-right: 8px;
    flex-shrink: 0;
}

#sticker-category-bar {
    flex-grow: 1;
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
    padding: 12px 10px;
    background: transparent;
    border-bottom: none;
    gap: 8px;
    scrollbar-width: none;
}

#sticker-category-bar::-webkit-scrollbar { display: none; }

#sticker-menu-btn {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    margin-left: 5px;
    color: #666;
    border-radius: 50%;
    transition: background-color 0.2s;
}

#sticker-menu-btn:active { background-color: #f0f0f0; }

.sticker-category-item {
    font-size: 13px;
    color: #666;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 16px;
    transition: all 0.2s;
    flex-shrink: 0;
    background-color: #f5f5f5;
}

.sticker-category-item.active {
    color: #ffffff;
    background-color: var(--primary-color);
    font-weight: 500; 
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08); 
    transform: translateY(-2px); 
    transition: all 0.3s ease;
}

.sticker-grid {
    flex-grow: 1;
    overflow-y: auto;
    padding: 12px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 12px;
    align-content: flex-start;
}

.sticker-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

.sticker-item img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    border-radius: 8px;
    transition: transform 0.1s;
}

.sticker-item:active img { transform: scale(0.95); }

.sticker-item.is-managing { opacity: 1; cursor: pointer; }
.sticker-item.is-managing img { opacity: 0.8; }

.sticker-item.is-selected::after {
    content: '✓';
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--primary-color);
    color: white;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    border: 2px solid #fff;
}

.sticker-item.is-managing:not(.is-selected)::before {
    content: '';
    position: absolute;
    top: -5px;
    right: -5px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid #ddd;
    background-color: #fff;
}

.sticker-group-header {
    grid-column: 1 / -1;
    font-size: 14px;
    font-weight: bold;
    color: var(--primary-color);
    margin-top: 10px;
    margin-bottom: 5px;
    padding-bottom: 5px;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
}

#sticker-manage-bar {
    padding: 10px 15px !important;
    background: #fff !important;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
    display: none;
    flex-shrink: 0;
    color: #2a3032;
}

.manage-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.icon-btn-simple {
    background: none;
    border: none;
    padding: 5px;
    cursor: pointer;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

#add-sticker-modal .modal-window {
    max-width: 360px;
}

#sticker-preview {
    width: 100px;
    height: 100px;
    border: 2px dashed #ddd;
    border-radius: 10px;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #aaa;
    background-color: #f9f9f9;
}

#sticker-preview img {
    max-width: 100%;
    max-height: 100%;
}

/* 多选栏 */
#multi-select-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: transparent;
    backdrop-filter: none;
    display: none;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    padding-bottom: 10px;
    border-top: 1px solid #eee;
    z-index: 20;
    border-bottom-left-radius: var(--phone-corner-radius);
    border-bottom-right-radius: var(--phone-corner-radius);
    animation: slideUp 0.3s ease-out;
}

#multi-select-bar.visible { display: flex; }

#cancel-multi-select-btn {
    font-size: 14px !important;
    font-weight: 500 !important;
    color: var(--white-color) !important;
    background-color: var(--primary-color) !important;
    border-radius: 10px !important;
    padding: 5px 10px !important;
    width: auto !important;
    height: auto !important;
}

/* 上下文菜单与ActionSheet */
.context-menu {
    position: fixed;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    overflow: hidden;
    padding: 6px 0;
    animation: fadeIn 0.15s cubic-bezier(0.25, 0.8, 0.25, 1);
    min-width: 140px;
    border: 1px solid rgba(0,0,0,0.05);
}

.context-menu-item {
    padding: 12px 20px;
    cursor: pointer;
    font-size: 15px;
    color: #333;
    user-select: none;
    transition: background-color 0.1s;
}

.context-menu-item:hover { background-color: rgba(0, 0, 0, 0.05); }
.context-menu-item:active { background-color: rgba(0, 0, 0, 0.1); }
.context-menu-item.danger { color: #e53935; }

.action-sheet-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 200;
    display: none;
    align-items: flex-end;
    animation: fadeIn 0.3s ease;
}

.action-sheet-overlay.visible { display: flex; }

.action-sheet {
    background: #f7f7f7;
    width: 100%;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    padding: 10px;
    padding-bottom: 10px;
    animation: slideUp 0.3s ease-out;
}

.action-sheet-button {
    width: 100%;
    background: white;
    border: none;
    padding: 15px;
    font-size: 16px;
    color: var(--primary-color);
    font-weight: 500;
    cursor: pointer;
    border-radius: 10px;
    margin-bottom: 8px;
}

.action-sheet-button.danger { color: #e53935; }
.action-sheet-button:last-child { margin-bottom: 0; }

/* 角色状态栏 (Status Panel) */
.status-panel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(3px);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 20px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.status-panel-overlay.visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.status-panel-content {
    background: transparent;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    width: 100%;
    height: 100%;
    overflow: hidden;
    transform: translateY(-100%);
    opacity: 1;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    display: flex;
    flex-direction: column;
    position: relative;
}

.status-panel-overlay.visible .status-panel-content {
    transform: translateY(0);
}

.status-swiper {
    display: flex;
    width: 100%;
    height: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    scroll-behavior: smooth;
}

.status-swiper::-webkit-scrollbar { display: none; }

.status-slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    scroll-snap-align: center;
    scroll-snap-stop: always;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 20px 140px 20px;
    position: relative;
}

.status-slide-inner {
    width: 100%;
    max-width: 450px;
    height: 100%;
    max-height: 100%;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.status-slide-inner > * {
    margin-top: auto;
    margin-bottom: auto;
}

.status-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    z-index: 1002;
    pointer-events: none;
}

.close-status-panel {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) scale(0.8);
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 28px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    opacity: 0;
    z-index: 1003;
    transition: all 0.3s ease 0.1s;
}

.close-status-panel:hover {
    background: #fff;
    transform: translateX(-50%) scale(1.1);
}

.status-panel-overlay.visible .close-status-panel {
    transform: translateX(-50%) scale(1);
    opacity: 1;
}