body {
    margin: 0;
    font-family: 'Roboto', Arial, sans-serif;
    height: 100vh;
    overflow: hidden;
    background: #fff;
}

.container {
    display: flex;
    height: 100vh;
    background: #fff;
}

/* 左侧用户信息区 */
.sidebar-user {
    display: flex;
    align-items: center;
    padding: 17.2px 18px 10px 18px;
    background: #fff;
    border-bottom: 1px solid #dcdcdc;
}
.sidebar-username {
    font-weight: 600;
    font-size: 17px;
    color: #222;
}

.sidebar {
    width: 300px;
    background: #fff;
    border-right: 1px solid #e0e0e0;
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 8px #e0e0e0a0;
}

.sidebar .join-room {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 18px 0 18px 0;
    background: #fff;
    border-bottom: 1px solid #e0e0e0;
    font-size: 1.13rem;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    user-select: none;
}


.sidebar .join-room input,
.sidebar .join-room .menu-icon {
    display: none !important;
}

.sidebar .join-room:hover {
    background: #f5f5f5;
    transition: box-shadow 0.18s, background 0.18s;
}

.sidebar .rooms {
    flex: 1;
    overflow-y: auto;
    background: #fff;
}

.room {
    display: flex;
    align-items: center;
    padding: 20px 15px;
    border-bottom: 1px solid #ffffff;
    cursor: pointer;
    background: #fff;
    transition: background 0.2s;
    border-radius: 10px;
    margin: 6px 8px;
    box-sizing: border-box;
    position: relative;
    box-shadow: none;
}

.room.active {
  background: #7bc0ff;
}

/* 激活状态下 hover 也保持激活色 */
.room.active:hover {
  background: #7bc0ff;
}

/* 只有未激活时 hover 才变灰色 */
.room:hover:not(.active) {
  background: #f5f5f5;
}

.room .info {
    flex: 1;
}

.room .title {
    font-weight: 500;
    font-size: 16px;
}

.room .lastmsg {
    font-size: 13px;
    color: #888;
    margin-top: 2px;
}

.room .time {
    font-size: 12px;
    color: #999;
}

.room .unread {
    background: #30a8f7;
    color: #fff;
    font-size: 12px;
    border-radius: 10px;
    padding: 2px 7px;
    margin-left: 8px;
    min-width: 20px;
    text-align: center;
}

.main {
  flex: 2.5;
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, #e098ff 0%, #ffc2c2 53%);
  background-repeat: no-repeat;
  position: relative;
}

    .main::before {
      content: "";
      position: absolute;
      inset: 0;
      background: url(./wallpaper.png) left top / auto 100% no-repeat;
      opacity: 0.22; /* 可根据实际效果调整 */
      mix-blend-mode: multiply;
      pointer-events: none;
      z-index: 0;
  }

  .main-header {
    display: flex;
    align-items: center;
    padding: 14.6px;
    background: #fff;
    justify-content: space-between;
    min-height: 30px;
    position: relative;
    z-index: 3;
}

.main-header .group-title {
    font-weight: bold;
    font-size: 18px;
    margin-left: 16px;
    color: #222;
}

.main-header-right {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
}

.main-header-actions {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
}

.pinned {
    padding: 2px 24px;
    background: #fff;
    font-size: 13px;
    color: #2a5d8f;
    border-bottom: 1px solid #eee;
    min-height: 18px;
    border-left: 4px solid #30a8f7;
    font-weight: 500;
}

.chat-area {
    flex: 1;
    overflow-y: auto;
    padding: 32px 24px 24px 24px;
    display: flex;
    flex-direction: column;
    background: none;
    z-index: 1;
}

.bubble {
    max-width: 80%;
    padding: 12px 18px;
    border-radius: 13px;
    margin-bottom: .375rem;
    font-size: 15px;
    line-height: 1.6;
    position: relative;
    word-break: break-all;
    display: flex;
    flex-direction: column;
}

.bubble-content {
    display: block;
    word-break: break-all;
}

.bubble-meta {
    font-size: 12px;
    color: #999;
    margin-left: 0;
    margin-top: 6px;
    align-self: flex-end;
    position: absolute;
    right: 3px;
    bottom: 7px;
    display: inline-block;
    background: transparent;
    line-height: 1;
}

.bubble.me {
  background: #e3fee0;
  color: #222;
  margin-left: auto;
  border-bottom-right-radius: 0px;
  padding: 10px 39px 7px 10px;
}

.bubble.other {
  background: #fff;
  color: #222;
  border-bottom-left-radius: 0px;
  margin-right: 0;
  margin-left: 0px;
  padding: 1px 40px 5px 10px;
}

.bubble.other .bubble-meta {
    right: 4px;
}

.bubble .bubble-meta {
    font-size: 12px;
    color: #999;
    margin-top: 4px;
    text-align: right;
}

.bubble-meta {
  font-size: 12px;
  color: #999;
  margin-left: 10px;
  vertical-align: baseline;
  display: inline;
}

.bubble-other-wrap {
  display: flex;
  align-items: flex-end;
  position: relative;
  z-index: 2;
  margin-bottom: .375rem;

}
.bubble-other-main {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.bubble-other-name {
  font-size: 13px;
  color: #30a8f7;
  font-weight: 500;
  margin-left: -5px;

}

/* Telegram风格输入区样式 */
:root {
  --chat-input-border-radius: 1rem;
  --chat-input-size: 3.25rem;
  --chat-input-inner-padding: 1.25rem;
  --surface-color: #fff;
}

.chat-input-area {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  padding: 3px 30px 17px 30px;
  background: none;
}

.rows-wrapper {
  transform: translate(0) scaleX(1);
  border-end-end-radius: 0;
  min-height: 37px;
  max-height: none;
}

.chat-input-wrapper {
  --padding-vertical: .6000rem;
  --padding-horizontal: var(--chat-input-inner-padding);
  --padding: var(--padding-vertical) var(--padding-horizontal);
  --button-size: 2.125rem;
  --button-horizontal-margin: .125rem;
  display: flex;
  align-items: center;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  justify-content: center;
  border-radius: var(--chat-input-border-radius);
  min-height: 37px;
  max-height: none;
  flex: 0 0 auto;
  position: relative;
  z-index: 3;
  background: none;
}

.chat-input-wrapper::before {
  content: " ";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 1px 8px 1px #0000001f;
  background-color: var(--surface-color);
  opacity: 1;
  z-index: -1;
}

.bubble-tail {
  position: absolute;
  left: 12px;
  bottom: 0;
  fill: #fff;
  z-index: 2;
  display: none; /* 可根据需要显示 */
}

.new-message-wrapper {
  display: flex;
  align-items: flex-end;
  width: 100%;
  padding: var(--padding);
  position: relative;
}

.btn-icon.toggle-emoticons {
  width: var(--button-size);
  height: var(--button-size);
  border: none;
  background: none;
  margin-right: var(--button-horizontal-margin);
  font-size: 1.5rem;
  color: #30a8f7;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s;
}
.btn-icon.toggle-emoticons:hover {
  background: #f5f5f5;
}

.btn-icon.rp.btn-menu-toggle {
  position: relative;
  width: 2.125rem;
  height: 2.125rem;
  border: none;
  background: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: box-shadow 0.18s cubic-bezier(.4,0,.2,1), background 0.18s cubic-bezier(.4,0,.2,1);
  overflow: hidden;
}
.btn-icon.rp.btn-menu-toggle:hover {
  background: rgba(48,168,247,0.10);
}
.c-ripple {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  background: rgba(48,168,247,0.18);
  opacity: 0;
  transform: scale(0.5);
  transition: opacity 0.3s, transform 0.3s;
  z-index: 1;
}
.btn-icon.rp.btn-menu-toggle:active .c-ripple {
  opacity: 1;
  transform: scale(1.2);
  transition: opacity 0.18s, transform 0.18s;
}
.tgico.button-icon {
  font-size: 1.3rem;
  z-index: 2;
  position: relative;
}

.input-message-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  margin: 0 35px;
  justify-content: center;
  min-height: 37px;
  max-height: none;
}
.input-message-input {
  min-height: 37px;
  max-height: calc(37px * 14); /* 最多14行 */
  outline: none;
  border: none;
  background: transparent;
  font-size: 16px;
  line-height: 37px;
  padding: 0;
  margin: 0;
  resize: none;
  color: #222;
  width: 100%;
  overflow-y: auto !important;
  display: flex;
  align-items: center;
  /* 允许多行自动扩展高度 */
  white-space: pre-wrap;
  word-break: break-word;
}
.input-field-placeholder {
  position: absolute;
  left: 0;
  top: 0;
  color: #aaa;
  font-size: 16px;
  pointer-events: none;
  padding: 0;
  margin: 0;
  line-height: 37px;
  transition: opacity 0.2s;
  white-space: pre;
  display: flex;
  align-items: center;
  opacity: 1;
}
.input-message-input:not(:empty) + .input-field-placeholder {
  opacity: 0;
}
.input-message-input:empty + .input-field-placeholder {
  opacity: 1;
}
.input-field-input-fake {
  display: none;
}

/* 隐藏原有输入区样式 */
.chat-input {
  display: none !important;
}

.more-btn {
  width: 40px;
  height: 40px;
  border: none;
  background: none;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: box-shadow 0.18s cubic-bezier(.4,0,.2,1), background 0.18s cubic-bezier(.4,0,.2,1);
  overflow: hidden;
  gap: 3px;
}
.more-btn:hover {
  background: #f5f5f5;
}
.more-btn:active::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 120%;
  height: 120%;
  background: rgba(48,168,247,0.18);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(1.1);
  animation: more-btn-ripple 0.35s cubic-bezier(.4,0,.2,1);
  z-index: 1;
}
@keyframes more-btn-ripple {
  0% { opacity: 0.5; transform: translate(-50%, -50%) scale(0.7); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.1); }
}
.more-btn-dot {
  width: 6px;
  height: 6px;
  background: #707579;
  border-radius: 50%;
  display: block;
  margin: 0;
  transition: background 0.18s;
}
.more-btn br {
  display: none;
}
.more-menu {
  display: none;
  position: absolute;
  right: 0;
  top: 44px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 8px 32px 0 rgba(0,0,0,0.18);
  min-width: 120px;
  z-index: 100;
  animation: more-menu-fade-in 0.22s cubic-bezier(.4,0,.2,1);
  font-size: 1rem;
  width: max-content;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  --transform-extra: translateX(0);
  --transform-origin-x: center;
  --transform-origin-y: center;
  transform-origin: var(--transform-origin-x) var(--transform-origin-y);
  transform: var(--transform-extra);
  transition: opacity 0.22s cubic-bezier(.4,0,.2,1), transform 0.22s cubic-bezier(.4,0,.2,1);
  opacity: 0;
  pointer-events: none;
}
.more-menu.open {
  display: block;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  animation: more-menu-fade-in 0.22s cubic-bezier(.4,0,.2,1);
}
.more-menu.close {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  transition: opacity 0.18s cubic-bezier(.4,0,.2,1), transform 0.18s cubic-bezier(.4,0,.2,1);
}
@keyframes more-menu-fade-in {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}
.more-menu-item {
    padding: 6px 40px;
    cursor: pointer;
    border-radius: 6px;
    font-size: 15px;
    color: #222;
    transition: background 0.15s;
    margin: 5px 5px;
}
.more-menu-item:hover {
  background: #f5f5f5;
}

.rightbar {
    width: 250px;
    background: #fff;
    border-left: 1px solid #e0e0e0;
    display: flex;
    flex-direction: column;
    box-shadow: -2px 0 8px #e0e0e0a0;
}

.rightbar-header {
  padding: 23.27px 18px 24px 18px;
  border-bottom: 1px solid #dcdcdc;
  background: #fff;
  border-radius: 0 12px 0 0;
}

.rightbar-group {
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.rightbar .group-info .title {
    font-size: 18px;
    font-weight: 600;
    color: #222;
}

.rightbar .group-info .group-desc {
    font-size: 13px;
    color: #888;
}

.rightbar-tabs {
    background: #fff;
    border-radius: 0 0 0 0;
    box-shadow: 0 2px 8px #e0e0e020;
}

.rightbar .tabs {
    display: flex;
    border-bottom: 1px solid #f3f3f3;
    margin: 0 18px;
}

.rightbar .tabs div {
    padding: 10px 16px;
    cursor: pointer;
    font-size: 15px;
    color: #30a8f7;
    font-weight: 500;
    border-bottom: 1px solid #f3f3f3;
    border-radius: 8px 8px 0 0;
    margin-right: 8px;
    transition: background 0.2s, color 0.2s;
}

.rightbar .tabs .active {
    background: #fff;
    color: #30a8f7;
    border-bottom: 2px solid #30a8f7;
}

.members {
    flex: 1;
    overflow-y: auto;
    padding: 10px 0;
    background: #fff;
}

.member {
    display: flex;
    align-items: center;
    padding: 10px 18px;
    border-radius: 8px;
    margin: 6px 8px;
    transition: background 0.2s;
}

.member:hover {
    background: #f5f5f5;
}

.member .member-info {
    flex: 1;
}

.member .member-name {
    font-weight: 500;
    font-size: 15px;
    color: #222;
}

.member .member-status {
    font-size: 12px;
    color: #30a8f7;
}

::-webkit-scrollbar {
    width: 4px;
    background: #fff;
}

::-webkit-scrollbar-thumb {
    background: #e0e0e0;
    border-radius: 4px;
}

/* 登录页面样式 */
body {
  background: #fff;
  font-family: 'Roboto', Arial, sans-serif;
  margin: 0;
}
.login-container {
  max-width: 400px;
  margin: 60px auto 0 auto;
  padding: 32px 24px 24px 24px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 2px 16px rgba(60,80,100,0.09);
  text-align: center;
}
.login-container h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 40px;
}
.subtips {
  color: #7a7a7a;
  margin-bottom: 26px;
  font-size: 1rem;
}
.login-container form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.input-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.input-group label {
  font-size: 0.98rem;
  color: #888;
  margin-bottom: 6px;
  margin-left: 2px;
}
.input-group .optional {
  color: #b5b5b5;
  font-size: 0.92em;
  margin-left: 4px;
}
.input-group input {
  width: 92%;
  border: 1px solid #e5e5e5;
  border-radius: 10px;
  padding: 14px 14px;
  font-size: 1.1rem;
  outline: none;
  transition: border 0.2s;
  background: #fafbfc;
}
.input-group input:focus {
  border-color: #30a8f7;
  background: #fff;
}
.login-btn {
  margin-top: 20px;
  background: #30a8f7;
  border: none;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 500;
  border-radius: 12px;
  padding: 14px 0;
  cursor: pointer;
  transition: background 0.18s;
  letter-spacing: 1px;
}
.login-btn:hover,
.login-btn:focus {
  background: #2196e3;
}

.login-modal {
  position: fixed;
  z-index: 9999;
  left: 0; top: 0; right: 0; bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-modal-bg {
  position: absolute;
  left: 0; top: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(12px);
  z-index: 1;
}
.login-modal-card {
  position: relative;
  z-index: 2;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 2px 16px rgba(60,80,100,0.13);
  padding: 32px 24px 24px 24px;
  min-width: 200px;
  width: 400px;
  text-align: center;
}
.login-modal-card form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.login-modal-close {
  position: absolute;
  right: 12px;
  top: 10px;
  background: none;
  border: none;
  font-size: 1.7rem;
  color: #888;
  cursor: pointer;
  z-index: 3;
  line-height: 1;
}
.login-modal-close:hover {
  color: #30a8f7;
}

/* 统一所有头像样式为.avatar */
.avatar {
  width: 42px !important;
  height: 42px !important;
  border-radius: 50% !important;
  background: #30a8f7 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  color: #fff !important;
  font-weight: bold !important;
  font-size: 20px !important;
  user-select: none !important;
  overflow: hidden !important;
  flex-shrink: 0 !important;
  object-fit: cover !important;
  margin-right: 8px !important;
  box-sizing: border-box !important;
  z-index: 2 !important;
  position: relative !important;
}

.avatar img {
  width: 100% !important;
  height: 100% !important;
  border-radius: 50% !important;
  object-fit: cover !important;
  display: block !important;
  z-index: 2 !important;
  position: relative !important;
}

/* 聊天图片全屏预览弹窗样式优化 */
.img-modal-bg {
  position: fixed;
  left: 0; top: 0; right: 0; bottom: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(20,20,20,0.92); /* 深色蒙版，无模糊 */
}
.img-modal-blur {
  display: none;
}
.img-modal-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: none;
  border-radius: 0;
  box-shadow: none;
  padding: 0;
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
}
.img-modal-content img {
  max-width: 100vw;
  max-height: 100vh;
  border-radius: 0;
  box-shadow: none;
  background: none;
  margin: 0 auto;
  display: block;
  cursor: zoom-in;
  border: none;
}
/* 聊天图片全屏预览弹窗删除按钮优化 */
.img-modal-close {
  position: fixed;
  right: 15px;
  top: 15px;
  font-size: 2.6rem;
  color: #bbb;
  background: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10000;
  transition: background 0.18s, color 0.18s;
  line-height: 1;
  box-shadow: none;
}
.img-modal-close:hover {
  background: rgba(80,80,80,0.25);
  color: #fff;
}


/* 系统消息气泡样式 */
.bubble.system {
  max-width: 70%;
  padding: 5px 14px;
  border-radius: 12px;
  margin: 5px auto;
  font-size: 13px;
  line-height: 1.4;
  position: relative;
  box-shadow: 1px 0px 20px 0px #d5d5d580;
  word-break: break-word;
  background: #f0f4f8;
  color: #555;
  display: inline-block;
  text-align: center;
}