/* chat-imsg.css —— 聊天页：iMessage 原生格式 + 头像显示方式 + 「＋」面板分区 + 顶部菜单
 * 头像显示（所有聊天风格通用）：av-all 每句 / av-first 每组第一句 / av-last 每组最后一句 / av-none 不显示
 * 其余样式只在「iMessage 原生」风格（#chatRoomApp.chat-imsg）下生效；经典气泡 / 液态玻璃不受影响。 */

/* ---------- 头像显示方式（通用） ---------- */
#chatRoomApp.av-none .message .avatar-small { display: none; }
#chatRoomApp.av-first .message:not(.grp-first) .avatar-small { visibility: hidden; }
#chatRoomApp.av-last .message:not(.grp-last) .avatar-small { visibility: hidden; }

/* ---------- 「＋」面板：按板块分区（通用） ---------- */
#attachPanel.attach-panel { display: block; padding: 4px 14px 18px; }
.attach-sec { margin-top: 12px; }
.attach-sec-t { font-size: 12px; font-weight: 600; letter-spacing: .3px; color: var(--text-sub); margin: 0 4px 8px; }
.attach-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px 6px; }
.attach-grid .attach-item { min-width: 0; text-align: center; }
.attach-grid .attach-item span { white-space: nowrap; }
.attach-grid .attach-icon { width: 54px; height: 54px; border-radius: 17px; }

/* ---------- 聊天页：顶部「更多」菜单（通用） ---------- */
.cm-mask { position: absolute; inset: 0; z-index: 60; background: rgba(0, 0, 0, .28); display: flex; align-items: flex-end; }
.cm-mask.hidden { display: none; }
.cm-sheet { width: 100%; max-height: 78%; overflow-y: auto; background: var(--bg-color); border-radius: 22px 22px 0 0; padding: 8px 14px calc(18px + env(safe-area-inset-bottom, 0px)); box-sizing: border-box; }
.cm-grab { width: 38px; height: 5px; border-radius: 3px; background: rgba(120, 120, 128, .35); margin: 4px auto 6px; }
.cm-sec-t { font-size: 12px; font-weight: 600; color: var(--text-sub); margin: 14px 4px 6px; letter-spacing: .3px; }
.cm-group { background: var(--card-bg); border-radius: 14px; overflow: hidden; }
.cm-row { display: flex; align-items: center; justify-content: space-between; padding: 13px 14px; font-size: 15px; color: var(--theme-dark); cursor: pointer; border-bottom: .5px solid var(--border-color); }
.cm-row:last-child { border-bottom: none; }
.cm-row:active { background: rgba(120, 120, 128, .12); }
.cm-row small { color: var(--text-sub); font-size: 12px; }
.cm-row i { font-style: normal; color: var(--text-sub); }

/* ================= iMessage 原生 ================= */
#chatRoomApp.chat-imsg .chat-box { gap: 2px; padding: 12px 18px 16px; }
#chatRoomApp.chat-imsg .message { gap: 14px; align-items: flex-end; }
#chatRoomApp.chat-imsg.av-first .message { align-items: flex-start; }
#chatRoomApp.chat-imsg .message.grp-last { margin-bottom: 9px; }
#chatRoomApp.chat-imsg .message .avatar-small { width: 30px; height: 30px; flex-shrink: 0; }
#chatRoomApp.chat-imsg .bubble-wrapper { max-width: 78%; }

/* 气泡：实色、圆润、无描边无光泽 */
#chatRoomApp.chat-ios.chat-imsg .bubble { position: relative; padding: 8px 14px; border-radius: 19px; border: none; box-shadow: none; font-size: 16px; line-height: 1.38; }
#chatRoomApp.chat-ios.chat-imsg .bubble::before { display: none; }
#chatRoomApp.chat-ios.chat-imsg .user-message .bubble { background: var(--my-bubble); color: var(--my-bubble-text); backdrop-filter: none; -webkit-backdrop-filter: none; }
#chatRoomApp.chat-ios.chat-imsg .ai-message .bubble { background: color-mix(in srgb, var(--ai-bubble) 88%, transparent); color: var(--ai-bubble-text); backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4); }
#chatRoomApp.chat-ios.chat-imsg .bubble.sticker-img { background: none !important; padding: 0 !important; }
#chatRoomApp.chat-imsg .msg-card { border-radius: 18px; box-shadow: none; }

/* 每组最后一句：气泡尾巴（只给文字气泡） */
#chatRoomApp.chat-ios.chat-imsg .message.grp-last .bubble:not(.sticker-img):not(.card-voice):not(:has(img))::after {
    content: ''; position: absolute; bottom: 0; width: 14px; height: 18px; background: inherit;
    -webkit-mask: url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 18'%3E%3Cpath d='M0 2C0 10 4 16 14 18L0 18Z'/%3E%3C/svg%3E") no-repeat center / 100% 100%;
    mask: url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 18'%3E%3Cpath d='M0 2C0 10 4 16 14 18L0 18Z'/%3E%3C/svg%3E") no-repeat center / 100% 100%;
}
#chatRoomApp.chat-ios.chat-imsg .user-message.grp-last .bubble:not(.sticker-img):not(.card-voice):not(:has(img)) { border-bottom-right-radius: 0; }
#chatRoomApp.chat-ios.chat-imsg .user-message.grp-last .bubble:not(.sticker-img):not(.card-voice):not(:has(img))::after { right: -13px; }
#chatRoomApp.chat-ios.chat-imsg .ai-message.grp-last .bubble:not(.sticker-img):not(.card-voice):not(:has(img)) { border-bottom-left-radius: 0; }
#chatRoomApp.chat-ios.chat-imsg .ai-message.grp-last .bubble:not(.sticker-img):not(.card-voice):not(:has(img))::after { left: -13px; transform: scaleX(-1); }

/* 时间分隔：居中小灰字 */
#chatRoomApp.chat-imsg .time-sep { display: block; font-size: 11px; font-weight: 500; margin: 14px 0 6px; }

/* 时间 / 已读：默认不显示；最后一条我发的显示「已送达 / 已读」；点一下气泡可看这条的时间 */
#chatRoomApp.chat-imsg .bubble-time { display: none; margin: 2px 4px 0; }
#chatRoomApp.chat-imsg .message.imsg-last-user .bubble-time,
#chatRoomApp.chat-imsg .message.imsg-showtime .bubble-time { display: flex; }
#chatRoomApp.chat-imsg .user-message .bubble-time { justify-content: flex-end; }
#chatRoomApp.chat-imsg .message.imsg-last-user:not(.imsg-showtime) .bt-time { display: none; }
#chatRoomApp.chat-imsg .read-status { font-size: 0; }
#chatRoomApp.chat-imsg .read-status::after { font-size: 11px; content: '已送达'; }
#chatRoomApp.chat-imsg .read-status[data-r="1"]::after { content: '已读'; }
#chatRoomApp.chat-imsg .ai-message .read-status { display: none; }

/* 顶部：左圆形返回 / 中间头像 + 名字胶囊 / 右圆形「更多」 */
#chatRoomApp.chat-imsg > .app-header { min-height: 84px; padding: 8px 12px 6px; align-items: flex-start; background: transparent; border-bottom: none; backdrop-filter: none; -webkit-backdrop-filter: none; }
#chatRoomApp.chat-imsg > .app-header > button,
#chatRoomApp.chat-imsg > .app-header > span > .hdr-btn[onclick*="openChatDetail"] {
    flex: 0 0 38px; width: 38px; height: 38px; min-width: 38px; padding: 0; border-radius: 50%; font-size: 0; line-height: 1;
    display: flex; align-items: center; justify-content: center; color: var(--theme-dark);
    background: color-mix(in srgb, var(--card-bg) 55%, transparent); border: 1px solid rgba(255, 255, 255, .28);
    backdrop-filter: blur(16px) saturate(1.5); -webkit-backdrop-filter: blur(16px) saturate(1.5); box-shadow: 0 2px 10px rgba(0, 0, 0, .08);
}
#chatRoomApp.chat-imsg > .app-header > button::before { content: '‹'; font-size: 28px; line-height: 1; padding-bottom: 3px; }
#chatRoomApp.chat-imsg > .app-header > span > .hdr-btn[onclick*="openChatDetail"]::before { content: '•••'; font-size: 13px; letter-spacing: 1px; font-weight: 700; }
#chatRoomApp.chat-imsg > .app-header > span:nth-of-type(1) { flex: 1; display: flex !important; flex-direction: column !important; align-items: center; gap: 4px !important; overflow: visible; cursor: pointer; }
#chatRoomApp.chat-imsg #chatAvatar { width: 46px !important; height: 46px !important; box-shadow: 0 2px 8px rgba(0, 0, 0, .15); }
#chatRoomApp.chat-imsg #chatTitle { display: inline-flex; align-items: center; gap: 4px; max-width: 52vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding: 3px 12px; border-radius: 999px; font-size: 13px; font-weight: 600; background: color-mix(in srgb, var(--card-bg) 55%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
#chatRoomApp.chat-imsg #chatTitle::after { content: '›'; opacity: .55; font-size: 15px; }
#chatRoomApp.chat-imsg > .app-header > span:last-of-type { flex: 0 0 38px; display: flex; justify-content: flex-end; }
#chatRoomApp.chat-imsg #offlineBtn, #chatRoomApp.chat-imsg #proactiveBtn { display: none !important; }

/* 底部：圆形＋ / 胶囊输入框（发送按钮收进框里） */
#chatRoomApp.chat-imsg .input-area { position: relative; background: transparent; border-top: none; padding: 8px 12px 12px; gap: 10px; align-items: center; }
#chatRoomApp.chat-imsg .attach-btn { flex: 0 0 40px; width: 40px; height: 40px; border-radius: 50%; font-size: 24px; color: var(--theme-dark); background: color-mix(in srgb, var(--card-bg) 55%, transparent); border: 1px solid rgba(255, 255, 255, .28); backdrop-filter: blur(16px) saturate(1.5); -webkit-backdrop-filter: blur(16px) saturate(1.5); box-shadow: none; display: flex; align-items: center; justify-content: center; }
#chatRoomApp.chat-imsg .input-area :is(input[type="text"],textarea) { flex: 1; min-width: 0; height: 40px; box-sizing: border-box; padding: 0 74px 0 16px; border-radius: 21px; font-size: 16px; background: color-mix(in srgb, var(--card-bg) 55%, transparent); border: 1px solid rgba(255, 255, 255, .28); backdrop-filter: blur(16px) saturate(1.5); -webkit-backdrop-filter: blur(16px) saturate(1.5); box-shadow: none; }
#chatRoomApp.chat-imsg .input-area #sendBtn { position: absolute; right: 17px; bottom: 17px; height: 30px; padding: 0 13px; border-radius: 15px; font-size: 13px; font-weight: 600; border: none; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--my-bubble); color: var(--my-bubble-text); }
#chatRoomApp.chat-imsg .input-area #replyNowBtn { position: absolute; right: 16px; bottom: 100%; margin-bottom: 6px; height: 28px; padding: 0 12px; border-radius: 14px; font-size: 12px; border: none; background: color-mix(in srgb, var(--card-bg) 80%, transparent); color: var(--theme-dark); box-shadow: 0 2px 8px rgba(0, 0, 0, .12); }
#chatRoomApp.chat-imsg .input-area #replyNowBtn.hidden { display: none; }
#chatRoomApp.chat-imsg .attach-panel { background: transparent; border-top: none; }