:root{
  --primary:#6C5CE7; --primary2:#5B8DEF; --primary-soft:#ECE9FF;
  --bg:#F4F5F9; --card:#FFFFFF; --text:#1F2230; --muted:#9AA0AE; --line:#ECEEF3;
  --green:#2BC47F; --red:#FF5A5F; --ai:#8B6CF0; --shadow:0 6px 24px rgba(40,40,80,.10);
  --radius:16px; --safe-b:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  background:#d9dce6;color:var(--text);-webkit-font-smoothing:antialiased;
}
#app{height:100%;display:flex;align-items:center;justify-content:center}
.phone{
  position:relative;width:100%;max-width:430px;height:100%;max-height:920px;
  background:var(--bg);display:flex;flex-direction:column;overflow:hidden;
  box-shadow:0 20px 60px rgba(20,20,50,.25);overflow-x:hidden
}
@media(min-width:480px){
  .phone{border-radius:26px;height:92vh}
}
/* 顶栏 */
.appbar{
  height:54px;flex:0 0 54px;display:flex;align-items:center;gap:8px;padding:0 12px;
  background:linear-gradient(120deg,var(--primary),var(--primary2));color:#fff;
  box-shadow:0 2px 12px rgba(108,92,231,.25);z-index:5;
}
.appbar-back{display:none;background:none;border:0;color:#fff;font-size:30px;line-height:1;width:36px;height:36px;cursor:pointer;padding:0}
.appbar-title{font-size:18px;font-weight:700;letter-spacing:.5px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.appbar-actions{display:flex;gap:8px;align-items:center}
.appbar-actions .abtn{background:rgba(255,255,255,.18);color:#fff;border:0;border-radius:20px;padding:6px 12px;font-size:13px;cursor:pointer}
.appbar-actions .abtn:active{opacity:.7}
.screen{flex:1;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;padding-bottom:8px}
/* Tab */
.tabbar{
  flex:0 0 auto;height:calc(58px + var(--safe-b));padding-bottom:var(--safe-b);
  display:flex;background:var(--card);border-top:1px solid var(--line);z-index:5;
}
.tab{flex:1;background:none;border:0;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--muted);cursor:pointer;font-size:11px}
.tab .tab-ico{font-size:22px;filter:grayscale(.4)}
.tab.active{color:var(--primary)}
.tab.active .tab-ico{filter:none;transform:translateY(-1px)}
.badge{position:absolute;top:6px;right:50%;margin-right:-22px;min-width:18px;height:18px;padding:0 5px;background:var(--red);color:#fff;border-radius:10px;font-size:11px;line-height:18px;font-style:normal;text-align:center}
/* 通用卡片/列表 */
.section{background:var(--card);border-radius:var(--radius);margin:10px 12px;box-shadow:var(--shadow);overflow:hidden}
.section h3{margin:0;padding:14px 16px 6px;font-size:14px;color:var(--muted);font-weight:600}
.row{display:flex;align-items:center;gap:12px;padding:12px 16px;border-top:1px solid var(--line)}
.row:first-child{border-top:0}
.row .avatar{width:46px;height:46px;border-radius:14px;flex:0 0 46px;object-fit:cover;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--primary);font-weight:700;overflow:hidden}
.row .avatar img{width:100%;height:100%;object-fit:cover}
.row .info{flex:1;min-width:0}
.row .name{font-weight:600;font-size:15px;display:flex;align-items:center;gap:6px}
.row .sub{color:var(--muted);font-size:13px;margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tag{display:inline-block;font-size:10px;padding:1px 7px;border-radius:10px;background:var(--primary-soft);color:var(--primary);margin-right:4px}
.tag.ai{background:#F0E9FF;color:var(--ai)}
.tag.on{background:#E5F8EF;color:var(--green)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:12px;padding:11px 16px;font-size:15px;font-weight:600;cursor:pointer;background:linear-gradient(120deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 6px 16px rgba(108,92,231,.30)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:#fff;color:var(--primary);border:1px solid var(--primary)}
.btn.block{width:100%}
.btn.sm{padding:7px 12px;font-size:13px;border-radius:10px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
/* 登录/注册 */
.auth{height:100%;display:flex;flex-direction:column;justify-content:center;padding:0 28px;background:linear-gradient(160deg,#f3f0ff,#eef4ff)}
.brand{text-align:center;margin-bottom:26px}
.brand .logo{width:84px;height:84px;border-radius:26px;margin:0 auto 14px;background:linear-gradient(135deg,var(--primary),var(--primary2));display:flex;align-items:center;justify-content:center;font-size:42px;box-shadow:0 12px 30px rgba(108,92,231,.4)}
.brand h1{margin:0;font-size:30px;letter-spacing:3px;background:linear-gradient(120deg,var(--primary),var(--primary2));-webkit-background-clip:text;background-clip:text;color:transparent}
.brand p{margin:8px 0 0;color:var(--muted);font-size:13px}
.field{margin-bottom:14px}
.field input,.field select{width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:14px 16px;font-size:15px;outline:none;-webkit-appearance:none;appearance:none}
.field input:focus,.field select:focus{border-color:var(--primary)}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='%239aa0ae'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}
.auth .switch{text-align:center;color:var(--muted);font-size:13px;margin-top:14px}
.auth .switch a{color:var(--primary);text-decoration:none;font-weight:600}
/* 搜索框 */
.search{padding:10px 12px}
.search input{width:100%;border:0;background:#fff;border-radius:12px;padding:10px 14px;font-size:14px;outline:none;box-shadow:var(--shadow)}
/* 聊天列表项 */
.conv .avatar{width:52px;height:52px;flex-basis:52px}
.conv .name{justify-content:space-between}
.conv .time{font-size:11px;color:var(--muted);font-weight:400}
.conv .unread{margin-left:6px;background:var(--red);color:#fff;border-radius:10px;font-size:11px;padding:0 6px;min-width:18px;text-align:center}
/* 聊天会话视图 */
.chatview{display:flex;flex-direction:column;height:100%;width:100%;flex:1;min-width:0}
.msgs{flex:1;overflow-y:auto;overflow-x:hidden;min-width:0;padding:14px 12px;background:#EEF0F6;display:flex;flex-direction:column;gap:12px}
.msg{display:flex;gap:8px;align-items:flex-end;max-width:100%;min-width:0}
.msg .bubble{max-width:74%;min-width:0;padding:10px 14px;border-radius:16px;font-size:15px;line-height:1.5;word-break:break-word;white-space:pre-wrap;box-shadow:0 2px 8px rgba(30,30,60,.06)}
.msg.me{flex-direction:row-reverse}
.msg.me .bubble{background:linear-gradient(120deg,var(--primary),var(--primary2));color:#fff;border-bottom-right-radius:5px}
.msg.them .bubble{background:#fff;border-bottom-left-radius:5px}
.msg.ai .bubble{background:#F3EEFF;color:#2c2350;border-bottom-left-radius:5px}
.msg .mava{width:36px;height:36px;border-radius:12px;flex:0 0 36px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--primary);font-weight:700;overflow:hidden}
.msg .mava img{width:100%;height:100%;object-fit:cover}
.msg .msgbody{display:flex;flex-direction:column;max-width:76%;min-width:0}
.msg .msgbody .bubble{max-width:100%}
.msg.me .msgbody{align-items:flex-end}
.msg .readflag{font-size:11px;color:#aab;margin-top:3px;line-height:1.2;padding:0 2px}
.msg.me .readflag{text-align:right}
.composer{flex:0 0 auto;display:flex;gap:8px;align-items:flex-end;padding:8px 10px;background:var(--card);border-top:1px solid var(--line);overflow-x:hidden}
.composer textarea{flex:1;border:0;background:var(--bg);border-radius:14px;padding:11px 14px;font-size:15px;outline:none;resize:none;max-height:120px;line-height:1.4}
.composer .send{background:linear-gradient(120deg,var(--primary),var(--primary2));color:#fff;border:0;border-radius:14px;padding:0 18px;height:44px;font-size:15px;font-weight:600;cursor:pointer}
.composer .send[disabled]{opacity:.5}
.typing{font-size:12px;color:var(--muted);padding:0 4px}
/* AI 人格选择 */
.personas{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;padding:0 12px}
.pcard{background:var(--card);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow);cursor:pointer;border:1px solid transparent}
.pcard:active{border-color:var(--primary)}
.pcard .pa{width:50px;height:50px;border-radius:16px;background:linear-gradient(135deg,#efebff,#dfe9ff);display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;color:var(--ai);margin-bottom:8px;overflow:hidden}
.pcard .pa img{width:100%;height:100%;object-fit:cover}
.pcard .pn{font-weight:700;font-size:15px}
.pcard .pg{font-size:11px;color:var(--muted);margin:2px 0 6px}
/* 小宇宙 */
.moment{padding:14px 16px}
.moment .head{display:flex;gap:10px;align-items:center}
.moment-author{cursor:pointer;border-radius:10px;transition:opacity .15s}
.moment-author:active{opacity:.6}
.moment .head .avatar{width:42px;height:42px;border-radius:12px}
.avatar-sm{width:42px;height:42px;border-radius:12px;flex:0 0 42px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--primary);font-weight:700;overflow:hidden}
.avatar-sm img{width:100%;height:100%;object-fit:cover}
.moment .content{margin:10px 2px;font-size:15px;line-height:1.6;white-space:pre-wrap}
.moment .imgs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:6px 0}
.moment .imgs img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:10px;cursor:pointer}
.moment .acts{display:flex;gap:18px;color:var(--muted);font-size:13px;margin-top:6px;border-top:1px solid var(--line);padding-top:10px}
.moment .acts span{cursor:pointer;display:inline-flex;align-items:center;gap:4px}
.moment .acts .liked{color:var(--red)}
.moment .acts .moment-edit{margin-left:auto}
.moment .acts .moment-del{color:#e74c3c}
.comments{background:#F7F8FC;border-radius:12px;margin-top:8px;padding:8px 12px}
.comments .c{font-size:13px;margin:4px 0}
.comments .c b{color:var(--primary)}
.commentbox{display:flex;gap:8px;margin-top:8px}
.commentbox input{flex:1;border:0;background:#fff;border-radius:10px;padding:8px 12px;outline:none;font-size:13px}
.fab{position:absolute;right:18px;bottom:calc(74px + var(--safe-b));width:54px;height:54px;border-radius:50%;background:linear-gradient(120deg,var(--primary),var(--primary2));color:#fff;border:0;font-size:26px;box-shadow:0 8px 20px rgba(108,92,231,.4);cursor:pointer;z-index:6}
/* 我的 */
.profile{padding:24px 16px;text-align:center;background:linear-gradient(160deg,#fff,#f1eeff)}
.profile .big{width:84px;height:84px;border-radius:26px;margin:0 auto 12px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;font-size:38px;color:var(--primary);font-weight:700;overflow:hidden}
.profile .big img{width:100%;height:100%;object-fit:cover}
.profile .pn{font-size:20px;font-weight:700}
.profile .pno{color:var(--muted);font-size:13px;margin-top:4px}
.menu{margin:12px}
.menu .row{background:var(--card);border-radius:12px;margin-bottom:8px;box-shadow:var(--shadow);cursor:pointer}
.empty{text-align:center;color:var(--muted);padding:50px 20px;font-size:14px}
.empty .em{font-size:40px;display:block;margin-bottom:10px}
/* toast/loading */
.toast{position:fixed;left:50%;top:30%;transform:translateX(-50%);background:rgba(20,20,30,.88);color:#fff;padding:11px 18px;border-radius:12px;font-size:14px;z-index:99;max-width:80%;text-align:center}
.loading{position:fixed;inset:0;background:rgba(255,255,255,.45);display:flex;align-items:center;justify-content:center;z-index:98}
.loading[hidden]{display:none}
.spinner{width:38px;height:38px;border:4px solid var(--primary-soft);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
/* 弹层 */
.sheet{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:flex-end;justify-content:center;z-index:50}
.sheet .panel{width:100%;max-width:430px;background:var(--bg);border-radius:20px 20px 0 0;padding:18px 16px calc(18px + var(--safe-b));max-height:80%;overflow-y:auto}
.sheet .panel h3{margin:0 0 12px;font-size:16px}
.imgprev{position:fixed;inset:0;background:rgba(0,0,0,.9);display:flex;align-items:center;justify-content:center;z-index:60}
.imgprev img{max-width:100%;max-height:100%}
.split{display:flex;gap:10px}
.split>*{flex:1}
.muted{color:var(--muted)}
.center{text-align:center}

/* ========== 头像上传（注册/资料） ========== */
.avatar-upload{display:flex;justify-content:center;padding:12px 0 4px}
.avatar-preview{
  width:80px;height:80px;border-radius:50%;background:var(--primary-soft);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  cursor:pointer;border:2px dashed var(--primary);transition:all .2s;
  color:var(--primary);overflow:hidden;position:relative;
}
.avatar-preview:hover{border-color:var(--primary2);background:#f0ecff}
.avatar-preview.has-img{border-style:solid}
.avatar-preview img{width:100%;height:100%;object-fit:cover}
.avatar-plus{font-size:28px;line-height:1}
.avatar-hint{font-size:10px;color:var(--muted);margin-top:2px}
.avatar-preview-sm{width:56px;height:56px;border-radius:16px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--primary);font-weight:700;overflow:hidden;flex-shrink:0}
.avatar-preview-sm img{width:100%;height:100%;object-fit:cover}
.avatar-upload-inline{display:flex;align-items:center;gap:12px}

/* ========== 表情面板 ========== */
.emoji-panel{
  position:fixed;left:8px;right:8px;max-width:400px;margin:0 auto;
  background:var(--card);border-radius:16px 16px 0 0;
  box-shadow:0 -6px 30px rgba(20,20,50,.15);z-index:90;
  max-height:320px;display:flex;flex-direction:column;overflow:hidden;
}
.emoji-tabs{display:flex;gap:4px;padding:8px 10px 0;border-bottom:1px solid var(--line);overflow-x:auto;flex-shrink:0}
.emoji-tab{
  flex-shrink:0;background:none;border:1px solid transparent;border-radius:14px;
  padding:5px 12px;font-size:12px;color:var(--muted);cursor:pointer;white-space:nowrap
}
.emoji-tab.active{background:var(--primary-soft);color:var(--primary);border-color:var(--primary)}
.emoji-grid{
  display:flex;flex-wrap:wrap;gap:2px;padding:8px;overflow-y:auto;align-content:flex-start
}
.emoji-item{
  width:36px;height:36px;display:flex;align-items:center;justify-content:center;
  font-size:22px;cursor:pointer;border-radius:8px;transition:background .15s
}
.emoji-item:hover,.emoji-item:active{background:var(--bg)}

/* ========== 聊天工具栏 ========== */
.toolbar{display:flex;gap:4px;padding:4px 0 0;align-items:center}
.tbtn{
  width:38px;height:38px;border-radius:12px;background:none;border:0;
  display:flex;align-items:center;justify-content:center;font-size:20px;
  cursor:pointer;color:var(--muted);transition:all .15s;flex-shrink:0
}
.tbtn:hover,.tbtn:active{background:var(--primary-soft);color:var(--primary)}
.tbtn.recording{background:var(--red);color:#fff;animation:pulse-rec 1s infinite;width:auto;min-width:38px;padding:0 10px;font-size:13px;font-weight:600}

@keyframes pulse-rec{0%,100%{box-shadow:0 0 0 0 rgba(255,90,95,.4)}50%{box-shadow:0 0 0 8px rgba(255,90,95,0)}}

/* ========== 微信式录音浮层（按住录音 / 松手发送 / 上滑取消） ========== */
.voice-overlay{
  position:fixed;left:50%;top:42%;transform:translate(-50%,-50%);
  background:rgba(40,40,40,.88);color:#fff;border-radius:18px;
  padding:22px 30px;display:flex;flex-direction:column;align-items:center;gap:12px;
  z-index:9999;min-width:168px;box-shadow:0 10px 30px rgba(0,0,0,.3);
  pointer-events:none;user-select:none;
}
.voice-overlay .vo-mic{font-size:46px;animation:pulse-mic 1s infinite}
.voice-overlay .vo-text{font-size:15px;font-weight:500}
.voice-overlay.cancel{background:rgba(220,70,70,.92)}
@keyframes pulse-mic{0%,100%{transform:scale(1);opacity:.92}50%{transform:scale(1.14);opacity:1}}

/* ========== 个人资料页增强 ========== */
.profile{padding:28px 16px 20px;text-align:center;background:linear-gradient(160deg,#fff,#f1eeff)}
.profile-avatar{cursor:pointer;display:inline-block;position:relative}
.profile-avatar::after{
  content:"📷";position:absolute;bottom:-2px;right:-2px;width:24px;height:24px;
  background:var(--card);border-radius:50%;font-size:11px;display:flex;
  align-items:center;justify-content:center;box-shadow:0 2px 6px rgba(0,0,0,.1);border:2px solid #fff
}
.profile-name{font-size:21px;font-weight:700;margin-top:12px}
.profile-id{color:var(--muted);font-size:13px;margin-top:4px}
.profile-sig{color:var(--muted);font-size:13px;margin-top:6px;max-width:260px;margin-left:auto;margin-right:auto}
.menu-icon{width:32px;font-size:18px;text-align:center;flex-shrink:0}
.arrow{color:var(--muted);font-size:18px;flex-shrink:0}
.field-label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px;font-weight:600}

/* ========== 通讯录增强 ========== */
.friend-row:active{background:var(--bg)}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block;flex-shrink:0}
.dot.on{background:var(--green)}

/* ========== 小宇宙增强 ========== */
.moment-imgs img{width:100% !important;aspect-ratio:auto !important;object-fit:cover;border-radius:10px;cursor:pointer}
.pub-imgs{display:flex;gap:8px;flex-wrap:wrap;padding:8px 0}
.pub-img-thumb{
  position:relative;width:64px;height:64px;border-radius:10px;overflow:hidden;flex-shrink:0
}
.pub-img-thumb img{width:100%;height:100%;object-fit:cover}
.pub-img-rm{
  position:absolute;top:2px;right:2px;width:18px;height:18px;border-radius:50%;
  background:rgba(0,0,0,.55);color:#fff;font-size:12px;line-height:18px;
  text-align:center;cursor:pointer
}
.cmt-item{padding:4px 0;font-size:13px;border-bottom:1px solid var(--line)}
.cmt-item:last-child{border-bottom:0}
.lc,.cc{font-size:12px}

/* ========== 消息类型样式 ========== */
.msg .bubble audio{max-width:200px;border-radius:10px;display:block}
.msg .bubble video{max-width:220px;border-radius:10px;display:block}
.sys-msg{font-size:12px;color:var(--muted);text-align:center;margin:8px 0;padding:2px 0}

/* ========== 微信风格语音消息 ========== */
.voice-bubble{
  display:flex;align-items:center;gap:6px;padding:10px 14px !important;
  cursor:pointer;user-select:none;min-height:40px;
  transition:background .15s;
}
.voice-bubble:active,.voice-bubble:hover{opacity:.85}
.voice-bubble.playing .voice-wave span{animation:wave-anim 0.8s ease-in-out infinite alternate;}
.voice-bubble.playing .voice-wave span:nth-child(2){animation-delay:.1s}
.voice-bubble.playing .voice-wave span:nth-child(3){animation-delay:.2s}
.voice-bubble.playing .voice-wave span:nth-child(4){animation-delay:.3s}
.voice-bubble.playing .voice-wave span:nth-child(5){animation-delay:.4s}
.voice-bubble.playing .voice-wave span:nth-child(6){animation-delay:.5s}
.voice-bubble.playing .voice-wave span:nth-child(7){animation-delay:.6s}
@keyframes wave-anim{
  0%{height:4px}
  100%{height:18px}
}
.voice-icon{
  font-size:14px;color:var(--primary);flex-shrink:0;width:18px;text-align:center;
  font-weight:700;line-height:1;
}
.msg.them .voice-icon{color:var(--muted)}
.voice-wave{
  display:flex;align-items:center;gap:2px;flex:1;height:20px;
}
.voice-wave span{
  display:inline-block;width:3px;background:var(--primary);border-radius:2px;height:8px;flex:1;
  transition:height .15s;
}
.msg.them .voice-wave span{background:var(--muted)}
.voice-dur{
  font-size:12px;color:var(--muted);flex-shrink:0;white-space:nowrap;
}