* { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
:root{
  --green:#07c160; --green-d:#06ad56; --bg:#f5f6f7; --line:#e7e7e7;
  --text:#1a1a1a; --sub:#9aa0a6; --mine:#95ec69;
}
html,body{height:100%;}
body{font-family:-apple-system,"Segoe UI","Microsoft YaHei",Roboto,sans-serif;color:var(--text);background:var(--bg);overflow:hidden;font-size:15px;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea{font-family:inherit;}

/* ---------- 登录 ---------- */
.auth-view{height:100%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,#e8f8ef 0%,#d6f0e2 45%,#cfe9f5 100%);padding:20px;}
.auth-card{width:380px;max-width:100%;background:#fff;border-radius:18px;padding:34px 30px 28px;
  box-shadow:0 18px 60px rgba(7,193,96,.18);text-align:center;}
.auth-logo{font-size:52px;}
.auth-title{font-size:26px;font-weight:700;margin:6px 0 2px;}
.auth-sub{color:var(--sub);font-size:13px;margin-bottom:20px;}
.auth-tabs{display:flex;background:#f2f3f5;border-radius:10px;padding:4px;margin-bottom:18px;}
.auth-tab{flex:1;padding:9px;border-radius:8px;font-size:15px;color:#666;}
.auth-tab.active{background:#fff;color:var(--green);font-weight:600;box-shadow:0 1px 4px rgba(0,0,0,.08);}
.auth-input{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;margin-bottom:12px;outline:none;}
.auth-input:focus{border-color:var(--green);}
.auth-error{color:#ee0a24;font-size:13px;min-height:18px;margin-bottom:4px;}
.auth-btn{width:100%;padding:13px;background:var(--green);color:#fff;border-radius:10px;font-size:16px;font-weight:600;margin-top:4px;}
.auth-btn:active{background:var(--green-d);}
.auth-hint{margin-top:14px;font-size:12px;color:var(--sub);}

/* ---------- 主框架 ---------- */
.app-view{display:flex;height:100%;}
.sidebar{width:310px;min-width:310px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;}
.me-bar{display:flex;align-items:center;gap:10px;padding:14px 14px;background:#ededed;}
.me-info{flex:1;min-width:0;}
.me-name{font-weight:600;font-size:15px;}
.me-status{font-size:12px;color:var(--sub);display:flex;align-items:center;gap:5px;}
.dot-online{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block;}
.nav-tabs{display:flex;border-bottom:1px solid var(--line);}
.nav-tab{flex:1;padding:11px 4px;font-size:14px;color:#666;position:relative;}
.nav-tab.active{color:var(--green);font-weight:600;box-shadow:inset 0 -2px 0 var(--green);}
.pane{flex:1;overflow-y:auto;}
.pane-search{padding:8px 12px;}
.pane-search input{width:100%;padding:8px 12px;background:#f2f3f5;border:none;border-radius:8px;font-size:13px;outline:none;}
.section-title{padding:12px 16px 6px;font-size:12px;color:var(--sub);}
.contact-actions{border-bottom:8px solid var(--bg);}
.contact-action{padding:13px 16px;font-size:15px;border-bottom:1px solid #f0f0f0;position:relative;}
.contact-action:active{background:#f5f5f5;}

/* 头像 */
.avatar{width:44px;height:44px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;font-weight:600;flex-shrink:0;user-select:none;}
.avatar.sm{width:36px;height:36px;font-size:15px;border-radius:6px;}
.avatar.lg{width:64px;height:64px;font-size:28px;border-radius:10px;}
img.avatar{object-fit:cover;}
img.avatar.lg{width:72px;height:72px;border-radius:12px;}
.transfer-icon{background:linear-gradient(135deg,#48c6ef,#1e88e5)!important;font-size:20px;}

/* 会话列表 */
.conv-item{display:flex;align-items:center;gap:11px;padding:11px 14px;border-bottom:1px solid #f3f3f3;position:relative;}
.conv-item:active,.conv-item.active{background:#e9f8ef;}
.conv-body{flex:1;min-width:0;}
.conv-name{font-size:15px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.conv-last{font-size:12.5px;color:var(--sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:3px;}
.conv-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px;}
.conv-time{font-size:11px;color:#bbb;}
.badge{background:#ee0a24;color:#fff;font-size:11px;min-width:18px;height:18px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;padding:0 5px;}
.mini-badge{background:#ee0a24;color:#fff;font-size:10px;min-width:16px;height:16px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;padding:0 4px;margin-left:6px;}
.public-icon{background:linear-gradient(130deg,#ff9a3d,#ff6a00)!important;}

/* ---------- 聊天区 ---------- */
.chat-area{flex:1;display:flex;flex-direction:column;background:var(--bg);min-width:0;}
.chat-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#b2b6bb;gap:8px;}
.empty-logo{font-size:60px;}
.empty-sub{font-size:13px;}
.chat-window{flex:1;display:flex;flex-direction:column;min-height:0;}
.chat-header{height:56px;min-height:56px;background:#f7f7f7;border-bottom:1px solid var(--line);
  display:flex;align-items:center;padding:0 12px;gap:8px;}
.back-btn{display:none;font-size:26px;width:34px;color:#333;}
.chat-title{flex:1;text-align:center;font-weight:600;font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.icon-btn{font-size:18px;padding:6px 8px;border-radius:6px;color:#555;}
.icon-btn.big{font-size:21px;}
.voice-btn{touch-action:none;user-select:none;-webkit-user-select:none;}
.messages{flex:1;overflow-y:auto;padding:14px 16px;display:flex;flex-direction:column;gap:6px;}
.load-more{text-align:center;color:var(--sub);font-size:13px;padding:6px;cursor:pointer;}
.time-sep{text-align:center;color:#b2b6bb;font-size:12px;margin:10px 0 4px;}
.msg-row{display:flex;gap:9px;align-items:flex-start;margin-bottom:4px;}
.msg-row.mine{flex-direction:row-reverse;}
.msg-bubble{max-width:64%;padding:9px 12px;border-radius:6px;background:#fff;font-size:15px;
  line-height:1.5;word-break:break-word;box-shadow:0 1px 1px rgba(0,0,0,.05);position:relative;white-space:pre-wrap;}
.msg-row.mine .msg-bubble{background:var(--mine);}
.msg-name{font-size:12px;color:#999;margin-bottom:3px;}
.msg-bubble img.chat-img{max-width:220px;max-height:260px;border-radius:4px;display:block;cursor:zoom-in;}
.file-card{display:flex;align-items:center;gap:10px;min-width:200px;cursor:pointer;color:inherit;text-decoration:none;}
.file-card .file-ico{font-size:30px;}
.file-card .file-meta{min-width:0;}
.file-card .file-name{font-size:14px;word-break:break-all;}
.file-card .file-size{font-size:12px;color:#888;margin-top:2px;}
.typing-hint{height:20px;padding:0 18px;font-size:12px;color:#aaa;}
.composer{background:#f7f7f7;border-top:1px solid var(--line);padding:9px 12px;display:flex;align-items:flex-end;gap:6px;}
.composer textarea{flex:1;border:none;background:#fff;border-radius:8px;padding:10px 12px;font-size:15px;
  resize:none;max-height:110px;outline:none;line-height:1.4;}
.send-btn{background:var(--green);color:#fff;padding:9px 18px;border-radius:8px;font-size:15px;font-weight:600;}
.upload-progress{font-size:12px;color:var(--green);padding:0 14px 6px;}

/* ---------- 语音条 ---------- */
.voice-bubble{display:flex;align-items:center;gap:8px;cursor:pointer;user-select:none;}
.voice-bubble .v-ico{font-size:18px;width:22px;text-align:center;}
.voice-bubble .v-wave{display:inline-flex;align-items:center;gap:2px;flex:1;}
.voice-bubble .v-wave i{display:inline-block;width:3px;border-radius:2px;background:rgba(0,0,0,.32);}
.msg-row.mine .voice-bubble .v-wave i{background:rgba(0,90,30,.4);}
.voice-bubble .v-dur{font-size:13px;color:inherit;opacity:.75;}
.voice-bubble.playing .v-ico{animation:vpulse .55s infinite alternate;}
@keyframes vpulse{from{opacity:.35;transform:scale(.9);}to{opacity:1;transform:scale(1.1);}}

/* ---------- 录音浮层 ---------- */
.rec-overlay{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;
  background:transparent;pointer-events:none;}
.rec-box{background:rgba(20,20,20,.82);border-radius:18px;padding:26px 34px;text-align:center;color:#fff;min-width:180px;}
.rec-ico{font-size:50px;animation:recpulse 1s infinite;}
@keyframes recpulse{0%,100%{transform:scale(1);}50%{transform:scale(1.12);}}
.rec-time{font-size:22px;margin:10px 0 6px;font-variant-numeric:tabular-nums;}
.rec-hint{font-size:13px;color:#ddd;}
#rec-ico{ }

/* ---------- 弹层 ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:50;display:flex;align-items:center;justify-content:center;padding:20px;}
.modal{background:#fff;border-radius:14px;width:420px;max-width:100%;max-height:84vh;overflow-y:auto;padding:20px;}
.modal h3{font-size:17px;margin-bottom:14px;}
.modal .m-input{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;margin-bottom:10px;outline:none;}
.modal .m-btn{width:100%;padding:11px;background:var(--green);color:#fff;border-radius:9px;font-size:15px;font-weight:600;margin-top:6px;}
.modal .m-btn.gray{background:#f2f3f5;color:#333;}
.modal .m-row{display:flex;align-items:center;gap:10px;padding:10px 2px;border-bottom:1px solid #f2f2f2;}
.modal .m-row .grow{flex:1;min-width:0;}
.modal .m-row button.small{padding:6px 12px;border-radius:7px;font-size:13px;background:var(--green);color:#fff;}
.modal .m-row button.small.gray{background:#ececec;color:#555;}
.pick-list{max-height:330px;overflow-y:auto;border:1px solid var(--line);border-radius:9px;margin-bottom:10px;}
.pick-row{display:flex;align-items:center;gap:10px;padding:9px 12px;border-bottom:1px #f3f3f3 solid;}
.pick-row input{width:18px;height:18px;}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:60;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:14px;}
.lightbox img{max-width:94vw;max-height:82vh;}
.lightbox-dl{color:#fff;background:var(--green);padding:9px 20px;border-radius:9px;text-decoration:none;font-size:14px;}
.toast{position:fixed;left:50%;top:18%;transform:translateX(-50%);background:rgba(0,0,0,.78);color:#fff;
  padding:10px 18px;border-radius:9px;font-size:14px;z-index:90;max-width:80%;text-align:center;}

/* ---------- 个人资料 ---------- */
.profile-head{display:flex;align-items:center;gap:16px;margin-bottom:16px;}
.profile-head .m-btn{width:auto;padding:9px 16px;}
.p-label{display:block;font-size:13px;color:var(--sub);margin:8px 0 6px;}
.nick-row{display:flex;gap:8px;align-items:center;}
.nick-row .m-input{margin-bottom:0;flex:1;}
button.small{padding:8px 14px;border-radius:8px;font-size:13px;background:var(--green);color:#fff;white-space:nowrap;}
button.small.gray,a.small.gray{background:#ececec;color:#555;}
button.small.green,a.small.green{background:var(--green);color:#fff;text-decoration:none;}
.profile-btns{display:flex;gap:8px;margin-top:18px;}
.profile-btns .m-btn{margin-top:0;}
.profile-note{margin-top:14px;font-size:12px;color:var(--sub);line-height:1.6;background:#f6f8f7;
  border-radius:8px;padding:10px 12px;}

/* 可点击头像 / 名字 */
.avatar-link{display:inline-flex;cursor:pointer;}
.avatar-link:hover .avatar{filter:brightness(.92);}
.uname-link{cursor:pointer;}
.uname-link:hover{color:var(--green);}
select.m-input{appearance:none;background:#fff;cursor:pointer;}

/* ---------- 他人资料卡 ---------- */
.user-card{text-align:center;}
.uc-banner{display:flex;justify-content:center;padding:6px 0 12px;}
.uc-banner .avatar.lg{width:88px;height:88px;font-size:34px;border-radius:50%;}
.uc-name{margin:2px 0;font-size:20px;}
.uc-account{font-size:13px;color:var(--sub);margin-bottom:12px;}
.uc-bio{font-size:14px;line-height:1.6;color:#333;background:#f6f8f7;border-radius:10px;
  padding:12px 14px;margin-bottom:12px;white-space:pre-wrap;word-break:break-word;text-align:left;}
.uc-empty{color:#aaa;font-size:13px;}
.uc-rows{margin-bottom:14px;text-align:left;}
.ui-row{display:flex;justify-content:space-between;padding:7px 4px;border-bottom:1px #f0f0f0 solid;font-size:14px;}
.ui-row span{color:var(--sub);}
.uc-actions{display:flex;gap:8px;justify-content:center;}
.uc-actions .m-btn{margin-top:0;}

/* ---------- 我的文件 ---------- */
.min0{min-width:0;}
.saved-note{font-size:12px;color:var(--sub);background:#f6f8f7;border-radius:8px;padding:9px 12px;
  margin-bottom:12px;word-break:break-all;line-height:1.5;}
.myfiles{border:1px solid var(--line);border-radius:9px;overflow:hidden;margin-bottom:12px;}
.mf-item{display:flex;align-items:center;gap:11px;padding:10px 12px;border-bottom:1px #f2f2f2 solid;}
.mf-item:last-child{border-bottom:none;}
.mf-thumb{width:42px;height:42px;border-radius:7px;object-fit:cover;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:20px;background:#eef2f5;}
.mf-name{font-size:14px;word-break:break-all;}
.mf-sub{font-size:12px;color:var(--sub);margin-top:3px;}

/* ---------- 论坛侧栏提示 ---------- */
.forum-side-hint{display:flex;align-items:center;justify-content:center;color:#9aa0a6;}
.forum-side-inner{text-align:center;font-size:13px;}
.forum-side-ico{font-size:40px;margin-bottom:10px;}

/* ---------- 论坛头部 ---------- */
.forum-header{height:56px;min-height:56px;background:#f7f7f7;border-bottom:1px solid var(--line);
  display:flex;align-items:center;padding:0 10px;gap:8px;}
.forum-h-title{flex:1;text-align:center;font-weight:600;font-size:16px;}
.forum-post-btn{background:var(--green);color:#fff;padding:8px 14px;border-radius:8px;font-size:14px;font-weight:600;white-space:nowrap;}

/* ---------- 论坛列表卡片 ---------- */
.forum-list{padding:12px;}
.f-card{background:#fff;border-radius:12px;padding:14px;margin-bottom:12px;box-shadow:0 1px 3px rgba(0,0,0,.05);cursor:pointer;}
.f-card.pinned{border:1px solid #ffd591;background:#fffaf2;}
.f-card-title{font-size:16px;font-weight:600;margin-bottom:6px;line-height:1.4;}
.pin-tag{display:inline-block;background:#ff7a00;color:#fff;font-size:11px;font-weight:500;
  border-radius:4px;padding:1px 6px;margin-right:6px;vertical-align:2px;}
.f-card-ex{font-size:13.5px;color:#666;line-height:1.5;white-space:pre-wrap;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.f-thumbs{display:flex;gap:6px;margin:10px 0;align-items:center;}
.f-thumbs img{width:72px;height:72px;object-fit:cover;border-radius:8px;cursor:zoom-in;}
.f-more-img{width:72px;height:72px;border-radius:8px;background:#eee;color:#888;font-size:14px;
  display:flex;align-items:center;justify-content:center;}
.f-card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:8px;gap:8px;}
.f-author{display:flex;align-items:center;gap:7px;font-size:13px;color:#555;min-width:0;}
.f-author .avatar.sm{width:26px;height:26px;font-size:12px;}
.f-author span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.f-stats{font-size:12px;color:#999;white-space:nowrap;}
.f-empty{text-align:center;color:#aaa;padding:50px 20px;font-size:14px;}
.f-empty.small{padding:26px 20px;}
.f-loading{text-align:center;color:#999;padding:40px;font-size:14px;}

/* ---------- 论坛详情 ---------- */
#forum-detail{background:var(--bg);}
.f-detail{background:#fff;padding:18px 16px;margin:12px;border-radius:12px;}
.f-detail-head h2{font-size:19px;line-height:1.45;margin-bottom:12px;}
.f-detail-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:12px;color:#999;flex-wrap:wrap;}
.f-detail-meta .f-author .avatar.sm{width:28px;height:28px;}
.f-admin{display:flex;gap:8px;margin-top:12px;}
.f-detail-content{margin-top:14px;font-size:15px;line-height:1.7;white-space:pre-wrap;word-break:break-word;}
.f-detail-imgs{display:flex;flex-direction:column;gap:10px;margin-top:14px;}
.f-detail-img{width:100%;max-width:420px;border-radius:10px;cursor:zoom-in;display:block;}

/* ---------- 评论 ---------- */
.f-comments-head{padding:6px 16px;font-size:13px;color:var(--sub);}
.f-comments{background:#fff;margin:0 12px;border-radius:12px;padding:6px 14px;}
.f-comment{display:flex;gap:10px;padding:12px 0;border-bottom:1px solid #f3f3f3;}
.f-comment:last-child{border-bottom:none;}
.f-comment-body{flex:1;min-width:0;}
.f-comment-top{display:flex;align-items:center;gap:8px;font-size:12px;color:#999;}
.f-comment-top b{color:#333;font-size:13px;}
.f-comment-top .f-del{margin-left:auto;color:#999;font-size:12px;cursor:pointer;}
.f-comment-text{font-size:14.5px;line-height:1.6;margin-top:3px;white-space:pre-wrap;word-break:break-word;}
.f-comment-img{max-width:240px;width:100%;border-radius:8px;margin-top:8px;cursor:zoom-in;display:block;}
.f-comment-box{display:flex;align-items:center;gap:6px;background:#f7f7f7;padding:10px 12px;margin:12px;
  border-radius:12px;}
.f-comment-box input{flex:1;border:none;background:#fff;border-radius:8px;padding:9px 12px;font-size:14px;outline:none;}

/* ---------- 发帖弹层 ---------- */
.np-previews{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 10px;}
.np-prev{position:relative;width:72px;height:72px;}
.np-prev img{width:72px;height:72px;object-fit:cover;border-radius:8px;}
.np-x{position:absolute;top:-6px;right:-6px;width:20px;height:20px;background:rgba(0,0,0,.6);color:#fff;
  border-radius:50%;font-size:14px;display:flex;align-items:center;justify-content:center;cursor:pointer;}

/* ---------- 群管理 ---------- */
.g-announce{background:#fff8e6;border:1px solid #ffe2a8;border-radius:9px;padding:9px 12px;
  font-size:13.5px;line-height:1.5;color:#7a5b17;white-space:pre-wrap;word-break:break-word;}
.gm-row .gm-ops{display:flex;gap:6px;flex-shrink:0;}
.mini-act{font-size:12px;padding:5px 9px;border-radius:6px;background:#f1f2f4;color:#444;white-space:nowrap;}
.mini-act:hover{background:#e6e8eb;}
.mini-act.danger{background:#fde8e8;color:#d23c3c;}
.mini-act.danger:hover{background:#f9d7d7;}
.tag{display:inline-block;font-size:11px;border-radius:4px;padding:1px 6px;margin-left:2px;vertical-align:1px;}
.tag-owner{background:#e3f2ff;color:#1976d2;}
.tag-muted{background:#fdecec;color:#d23c3c;}
.modal .m-btn.danger{background:#f5483b;color:#fff;}
.modal .m-btn.danger:hover{background:#e23e32;}

/* ---------- 手机适配 ---------- */
@media (max-width:760px){
  .sidebar{width:100%;min-width:0;}
  .app-view.show-chat .sidebar{display:none;}
  .back-btn{display:block;}
  .msg-bubble{max-width:78%;}
  .auth-card{padding:28px 22px;}
  .nav-tab{font-size:13px;}
  .forum-post-btn{padding:7px 11px;font-size:13px;}
}