/* ==========================================================
   justchat · 纯粹的聊天  共享样式
   ========================================================== */
:root{
  --green:#07C160;
  --green-dark:#06AD56;
  --rail:#1E1E1E;
  --side:#2E2E2E;
  --side-hover:#3A3A3A;
  --side-active:#45454A;
  --text:#E8E8E8;
  --muted:#8A8A8A;

  --chat-bg:#F5F5F5;
  --panel:#FFFFFF;
  --panel-2:#F7F7F7;
  --text-main:#1a1a1a;
  --text-sub:#8a8a8a;
  --bubble-other:#FFFFFF;
  --bubble-self:#95EC69;
  --bubble-self-text:#123f24;
  --line:#E6E6E6;
  --time-bg:#DADADA;
  --shadow:0 1px 1px rgba(0,0,0,.04);

  --red:#FA5151;
  --gold:#B8860B;
}
body[data-theme="dark"]{
  --chat-bg:#141414;
  --panel:#1D1D1F;
  --panel-2:#262628;
  --text-main:#ECECEC;
  --text-sub:#9A9A9A;
  --bubble-other:#2A2A2C;
  --bubble-self:#1F6B46;
  --bubble-self-text:#E9FBEF;
  --line:#3A3A3C;
  --time-bg:#3A3A3C;
  --shadow:none;
}

*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif;
  display:block;overflow:hidden;
  background:var(--side);
}
button{font-family:inherit}
svg{display:block}
input,textarea,select{font-family:inherit}
a{color:inherit}

/* ================= 布局 ================= */
.app{
  width:100vw;height:100vh;height:100dvh;
  display:flex;overflow:hidden;background:var(--panel);
  border-radius:0;box-shadow:none;
}
@media (max-width:1200px),(max-height:820px){
  .app{width:100vw;height:100vh;border-radius:0;box-shadow:none}
}

/* ================= 左侧导航 ================= */
.rail{
  width:64px;flex:0 0 64px;background:var(--rail);
  display:flex;flex-direction:column;align-items:center;
  padding:16px 0 14px;gap:4px;color:#9a9a9a;
}
.rail a,.rail .rail-btn{
  width:44px;height:44px;border:0;border-radius:8px;background:transparent;
  color:#9a9a9a;cursor:pointer;display:grid;place-items:center;
  transition:background .15s,color .15s;text-decoration:none;
}
.rail a:hover,.rail .rail-btn:hover{background:#2f2f2f;color:#e6e6e6}
.rail a.active,.rail .rail-btn.active{background:#2a2a2a;color:var(--green)}
.rail .spacer{flex:1}
.rail .me{
  width:36px;height:36px;border-radius:8px;margin-top:10px;overflow:hidden;
  background:linear-gradient(135deg,#4C9AFF,#2f7ae0);
  display:grid;place-items:center;font-size:18px;cursor:pointer;user-select:none;
}

/* ================= 会话列表 ================= */
.sidebar{
  width:300px;flex:0 0 300px;background:var(--side);color:var(--text);
  display:flex;flex-direction:column;min-width:0;position:relative;
}
.sidebar-head{display:flex;gap:10px;align-items:center;padding:18px 14px 10px}
.brand-avatar{
  width:40px;height:40px;border-radius:9px;flex:0 0 40px;
  background:linear-gradient(135deg,#07C160,#04A34F);
  display:grid;place-items:center;font-size:20px;
  box-shadow:0 4px 12px rgba(7,193,96,.25);
}
.brand-name{font-size:15px;font-weight:700;letter-spacing:.4px}
.brand-sub{font-size:11px;color:#8f8f8f;margin-top:2px}

.search{
  margin:4px 12px 10px;padding:7px 10px;border-radius:6px;background:#3A3A3A;
  display:flex;align-items:center;gap:8px;color:#8a8a8a;
}
.search:focus-within{background:#424242}
.search input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:#EDEDED;font-size:13px}
.search input::placeholder{color:#888}

.search-panel{
  position:absolute;left:12px;right:12px;top:112px;z-index:25;display:none;
  max-height:330px;overflow:auto;padding:6px;border-radius:10px;
  background:var(--panel);border:1px solid var(--line);
  box-shadow:0 16px 40px rgba(0,0,0,.35);color:var(--text-main);
}
.search-panel.open{display:block}

.chat-list{flex:1;overflow-y:auto;padding:2px 6px 12px}
.chat-item{
  width:100%;border:0;background:transparent;color:inherit;cursor:pointer;
  display:flex;gap:10px;align-items:center;text-align:left;
  padding:10px;border-radius:8px;transition:background .12s;
}
.chat-item:hover{background:var(--side-hover)}
.chat-item.active{background:var(--side-active)}
.chat-item .avatar{
  width:40px;height:40px;flex:0 0 40px;border-radius:9px;overflow:hidden;
  display:grid;place-items:center;font-size:20px;color:#fff;
}
.item-main{flex:1;min-width:0}
.item-top{display:flex;align-items:baseline;gap:8px}
.item-name{
  flex:1;min-width:0;font-size:14px;color:#F0F0F0;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.item-time{flex:0 0 auto;font-size:10.5px;color:#7d7d7d}
.item-bottom{display:flex;align-items:center;gap:6px;margin-top:4px}
.item-preview{
  flex:1;min-width:0;font-size:12px;color:#8a8a8a;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.item-tag{
  flex:0 0 auto;font-size:9.5px;padding:1px 5px;border-radius:4px;
  background:rgba(7,193,96,.16);color:#3ddc84;
}
.list-empty{padding:28px 10px;text-align:center;color:#777;font-size:12.5px}

/* ================= 头像 ================= */
.avatar-img{width:100%;height:100%;object-fit:cover;display:block;border-radius:inherit}
.avatar,.r-avatar,.me,.call-avatar,.avatar-preview{overflow:hidden}

/* ================= 聊天区 ================= */
.chat{flex:1;min-width:0;display:flex;flex-direction:column;background:var(--chat-bg);position:relative}
.chat-head{
  flex:0 0 60px;height:60px;display:flex;align-items:center;gap:10px;
  padding:0 16px;background:var(--panel);border-bottom:1px solid var(--line);position:relative;
}
.chat-title{font-size:15px;font-weight:600;color:var(--text-main)}
.chat-sub{font-size:11px;color:var(--text-sub);margin-top:2px}
.chat-actions{margin-left:auto;display:flex;gap:2px}
.icon-btn{
  width:32px;height:32px;border:0;border-radius:6px;background:transparent;
  color:var(--text-sub);cursor:pointer;display:grid;place-items:center;
  transition:background .12s,color .12s;text-decoration:none;
}
.icon-btn:hover{background:var(--panel-2);color:var(--text-main)}
.icon-btn.recording{background:#FFE9E9;color:#E5484D}
body[data-theme="dark"] .icon-btn.recording{background:#3a1d1d}
.back{display:none;margin-left:-6px}

.dropdown{
  position:absolute;right:14px;top:54px;z-index:30;min-width:156px;display:none;
  padding:5px;background:var(--panel);border:1px solid var(--line);
  border-radius:8px;box-shadow:0 12px 30px rgba(0,0,0,.24);
}
.dropdown.open{display:block}
.dropdown button{
  display:block;width:100%;text-align:left;border:0;background:transparent;
  color:var(--text-main);font-size:12.5px;padding:8px 10px;border-radius:6px;cursor:pointer;
}
.dropdown button:hover{background:var(--panel-2)}

.pin-bar{
  display:flex;gap:8px;align-items:center;padding:8px 16px;cursor:pointer;
  background:#FFF8E1;border-bottom:1px solid #F2E3B0;color:#8a6d00;font-size:12px;
}
.pin-bar.hidden{display:none}
.pin-bar .pin-label{font-weight:600}
.pin-bar .pin-text{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
body[data-theme="dark"] .pin-bar{background:#2a2410;border-bottom-color:#4a3d12;color:#e6c86a}

.messages{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:20px 22px 12px}
.time-div{text-align:center;margin:8px 0 16px}
.time-div span{
  display:inline-block;background:var(--time-bg);color:#fff;font-size:11px;
  padding:2px 7px;border-radius:3px;letter-spacing:.2px;
}
.sys{text-align:center;margin:8px 0 16px}
.sys span{
  display:inline-block;background:var(--time-bg);color:#8a8a8a;font-size:11px;
  padding:3px 9px;border-radius:4px;max-width:80%;
}
body[data-theme="dark"] .sys span{color:#c9c9c9}

.msg{display:flex;align-items:flex-start;gap:10px;margin-bottom:16px;animation:pop .18s ease}
@keyframes pop{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
.msg .avatar{
  width:34px;height:34px;flex:0 0 34px;border-radius:6px;
  display:grid;place-items:center;font-size:17px;color:#fff;
}
.msg.me{flex-direction:row-reverse}
.bubble-wrap{display:flex;flex-direction:column;align-items:flex-start;gap:4px;min-width:0;max-width:min(64%,560px)}
.msg.me .bubble-wrap{align-items:flex-end}
.sender{font-size:11px;color:var(--text-sub);padding-left:2px}
.bubble{
  position:relative;background:var(--bubble-other);color:var(--text-main);
  padding:9px 12px;border-radius:6px;font-size:14px;line-height:1.6;
  box-shadow:var(--shadow);overflow-wrap:anywhere;white-space:normal;
}
.bubble::after{content:"";position:absolute;top:13px;width:0;height:0;border:6px solid transparent}
.msg.them .bubble::after{left:-11px;border-right-color:var(--bubble-other)}
.msg.me .bubble{background:var(--bubble-self);color:var(--bubble-self-text)}
.msg.me .bubble::after{right:-11px;border-left-color:var(--bubble-self);border-top-color:transparent;border-bottom-color:transparent}
.bubble-img{display:block;max-width:230px;max-height:230px;border-radius:4px}
.flash .bubble{box-shadow:0 0 0 2px var(--green)}

.msg-foot{display:flex;gap:10px;align-items:center;font-size:11px;color:var(--text-sub);margin-top:2px;padding:0 2px;flex-wrap:wrap}
.msg.me .msg-foot{justify-content:flex-end}
.like-btn{
  border:0;background:transparent;color:var(--text-sub);font-size:11.5px;
  cursor:pointer;padding:2px 5px;border-radius:4px;display:inline-flex;gap:3px;align-items:center;
}
.like-btn:hover{background:rgba(0,0,0,.05)}
body[data-theme="dark"] .like-btn:hover{background:rgba(255,255,255,.08)}
.like-btn.liked{color:#E5484D}
.like-btn.danger{color:var(--red)}

.file-card{display:flex;gap:10px;align-items:center;min-width:190px}
.file-ic{
  width:36px;height:42px;border-radius:5px;background:var(--panel-2);
  display:grid;place-items:center;font-size:18px;flex:0 0 36px;
}
.file-main{flex:1;min-width:0}
.file-name{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px}
.file-size{font-size:11px;color:var(--text-sub);margin-top:3px}
.file-dl{
  font-size:11.5px;color:var(--green);text-decoration:none;padding:4px 6px;
  border-radius:5px;border:1px solid rgba(7,193,96,.35);flex:0 0 auto;
}
.file-dl:hover{background:rgba(7,193,96,.1)}
.audio-card audio{display:block;height:34px;max-width:230px}
.audio-dur{font-size:11px;color:var(--text-sub);margin-top:3px}

.announce{
  max-width:80%;margin:4px auto 18px;padding:13px 16px;border-radius:10px;
  background:#FFF8E1;border:1px solid #F2D58A;color:#6b4e00;font-size:13.5px;line-height:1.7;
}
body[data-theme="dark"] .announce{background:#2a2410;border-color:#5b4a12;color:#f0d78a}
.announce .a-title{font-size:11px;font-weight:700;letter-spacing:.5px;color:var(--gold);margin-bottom:6px}
.announce .a-meta{font-size:11px;opacity:.6;margin-top:8px}
.announce.flash{box-shadow:0 0 0 2px var(--green)}

.console{
  margin:10px 0 6px;padding:14px;border:1px dashed var(--line);border-radius:12px;
  background:var(--panel);color:var(--text-main);
}
.console h4{font-size:12px;color:var(--text-sub);font-weight:600;margin-bottom:10px}
.console-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.console-grid button{
  border:1px solid var(--line);background:var(--panel-2);color:var(--text-main);
  padding:9px 10px;border-radius:8px;font-size:12.5px;cursor:pointer;text-align:left;
}
.console-grid button:hover{border-color:var(--green);color:var(--green)}

.lock{
  margin:auto;max-width:330px;width:100%;padding:28px 24px;text-align:center;
  background:var(--panel);border:1px solid var(--line);border-radius:16px;
  color:var(--text-main);box-shadow:0 12px 34px rgba(0,0,0,.1);
}
.lock .lock-ic{font-size:36px}
.lock h3{font-size:15px;margin:12px 0 6px}
.lock p{font-size:12px;color:var(--text-sub);margin-bottom:16px;line-height:1.7}

/* ================= 输入区 ================= */
.composer{position:relative;flex:0 0 auto;background:var(--panel);border-top:1px solid var(--line)}
.toolbar{display:flex;gap:2px;padding:8px 12px 0}
.composer textarea{
  width:100%;border:0;outline:0;resize:none;background:transparent;
  padding:8px 16px 4px;font-size:14px;line-height:1.65;max-height:130px;color:var(--text-main);
}
.composer textarea::placeholder{color:#b0b0b0}
.composer-foot{display:flex;justify-content:flex-end;padding:0 16px 12px}
.send-btn{
  border:0;border-radius:5px;padding:6px 20px;background:var(--green);
  color:#fff;font-size:13px;cursor:pointer;transition:background .15s;
}
.send-btn:hover{background:var(--green-dark)}
.send-btn:active{transform:translateY(1px)}

.emoji-panel{
  position:absolute;left:10px;bottom:calc(100% + 6px);z-index:15;
  width:330px;max-width:calc(100% - 20px);display:none;
  grid-template-columns:repeat(8,1fr);gap:2px;padding:10px;
  background:var(--panel);border:1px solid var(--line);border-radius:10px;
  box-shadow:0 14px 34px rgba(0,0,0,.22);
}
.emoji-panel.open{display:grid}
.emoji-panel button{border:0;background:transparent;font-size:20px;line-height:1;padding:5px;border-radius:6px;cursor:pointer}
.emoji-panel button:hover{background:var(--panel-2)}

.rec-bar{display:none;gap:8px;align-items:center;padding:7px 16px;font-size:12.5px;background:#FFF2F2;color:#d93025}
.rec-bar.on{display:flex}
body[data-theme="dark"] .rec-bar{background:#2a1616;color:#ff7b72}
.rec-dot{width:8px;height:8px;border-radius:50%;background:#FA5151;animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.25}}

/* ================= 弹窗 ================= */
.mask{
  position:fixed;inset:0;z-index:80;display:none;align-items:center;justify-content:center;
  padding:20px;background:rgba(0,0,0,.45);
}
.mask.open{display:flex}
.modal{
  width:min(430px,100%);max-height:82vh;overflow:auto;color:var(--text-main);
  background:var(--panel);border-radius:12px;box-shadow:0 24px 60px rgba(0,0,0,.35);
  animation:pop .18s ease;
}
.modal-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-bottom:1px solid var(--line);font-size:14px;font-weight:600;
}
.modal-body{padding:16px}
.modal-foot{display:flex;gap:10px;justify-content:flex-end;padding:0 16px 16px}
.btn{
  border:1px solid var(--line);border-radius:6px;padding:8px 16px;font-size:13px;
  cursor:pointer;background:var(--panel-2);color:var(--text-main);text-decoration:none;
  display:inline-flex;align-items:center;justify-content:center;
}
.btn:hover{filter:brightness(.97)}
.btn.primary{background:var(--green);border-color:var(--green);color:#fff}
.btn.danger{background:var(--red);border-color:var(--red);color:#fff}
.btn.small{padding:6px 12px;font-size:12px}

.field{margin-bottom:14px}
.field label{display:block;font-size:12px;color:var(--text-sub);margin-bottom:6px}
.field input,.field textarea,.field select{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;
  background:var(--panel-2);color:var(--text-main);font-size:13px;outline:0;resize:vertical;
}
.field input:focus,.field textarea:focus{border-color:var(--green)}
.avatar-picker{display:flex;gap:8px;flex-wrap:wrap}
.avatar-picker button{
  width:38px;height:38px;border-radius:9px;border:2px solid transparent;
  background:var(--panel-2);font-size:19px;cursor:pointer;
}
.avatar-picker button.on{border-color:var(--green)}
.theme-row{display:flex;gap:8px}
.theme-row button{
  flex:1;padding:9px;border-radius:8px;border:1px solid var(--line);
  background:var(--panel-2);color:var(--text-main);cursor:pointer;font-size:13px;
}
.theme-row button.on{border-color:var(--green);color:var(--green)}

/* 自定义头像 */
.avatar-edit{display:flex;gap:14px;align-items:center;margin-bottom:12px}
.avatar-preview{
  width:64px;height:64px;flex:0 0 64px;border-radius:14px;
  display:grid;place-items:center;font-size:30px;color:#fff;background:#4C9AFF;
}
.avatar-edit-actions{display:flex;gap:8px;flex-wrap:wrap}

/* 个人主页 */
.profile-hero{text-align:center;padding-top:24px}
.profile-hero.in-modal{margin:-4px -2px 0;padding:18px 10px 14px;border-radius:12px;background:var(--panel-2)}
.profile-avatar{
  width:76px;height:76px;margin:0 auto 10px;border-radius:20px;
  display:grid;place-items:center;font-size:36px;color:#fff;background:#4C9AFF;
  box-shadow:0 10px 24px rgba(0,0,0,.14);
}
.profile-hero.in-modal .profile-avatar{width:64px;height:64px;font-size:30px;border-radius:18px}
.profile-name{font-size:17px;font-weight:600;color:var(--text-main);line-height:1.5}
.profile-handle{font-size:12px;color:var(--text-sub);margin-top:2px}
.profile-bio{
  font-size:13px;color:var(--text-main);opacity:.85;line-height:1.7;
  margin:10px auto 0;max-width:340px;padding:0 6px;overflow-wrap:anywhere;
}
.stat-row{display:flex;justify-content:center;gap:6px;margin:14px 0 0}
.stat-item{
  flex:1;max-width:96px;padding:8px 4px;border-radius:10px;background:var(--panel-2);
}
.stat-item b{display:block;font-size:16px;color:var(--text-main);line-height:1.4}
.stat-item span{display:block;font-size:11px;color:var(--text-sub);margin-top:2px}
.profile-meta{font-size:11px;color:var(--text-sub);margin-top:12px}

/* 博客 */
.blog-chips{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.blog-chip{
  padding:6px 14px;border-radius:999px;background:var(--panel-2);
  color:var(--text-sub);font-size:12px;text-decoration:none;transition:.15s;
}
.blog-chip.on{background:rgba(7,193,96,.14);color:var(--green);font-weight:600}
.blog-item{
  padding:14px;border-radius:12px;background:var(--panel-2);margin-bottom:10px;
  cursor:pointer;transition:.15s;border:1px solid transparent;
}
.blog-item:hover{border-color:var(--green)}
.blog-title{font-size:16px;font-weight:600;color:var(--text-main);line-height:1.5}
.blog-meta{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:12px;color:var(--text-sub);margin-top:6px;
}
.blog-mini-avatar{
  width:18px;height:18px;border-radius:5px;display:inline-grid;place-items:center;
  font-size:11px;overflow:hidden;flex:0 0 18px;
}
.blog-tag{background:rgba(7,193,96,.12);color:var(--green);border-radius:999px;padding:1px 8px;font-size:11px}
.blog-cat{background:rgba(76,124,243,.12);color:#4C7CF3;border-radius:999px;padding:1px 8px;font-size:11px}
.blog-lock{background:rgba(250,81,81,.12);color:#FA5151;border-radius:999px;padding:1px 8px;font-size:11px}
.blog-lock.public{background:rgba(7,193,96,.12);color:var(--green)}
.blog-pin{background:rgba(245,158,11,.16);color:#D97706;border-radius:999px;padding:1px 8px;font-size:11px}
.blog-item .blog-foot{margin-top:10px}
.blog-vis{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-main);padding:2px 0}
.blog-vis label{display:inline-flex;align-items:center;gap:6px;cursor:pointer}
.blog-vis input{accent-color:var(--green);margin:0}
.blog-excerpt{font-size:13px;color:var(--text-main);opacity:.82;line-height:1.7;margin-top:8px}
.blog-back{display:inline-block;font-size:12px;color:var(--text-sub);text-decoration:none;margin-bottom:12px}
.blog-back:hover{color:var(--green)}
.blog-detail-title{font-size:20px;color:var(--text-main);margin:0 0 8px;line-height:1.5}
.blog-detail .blog-meta{padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:16px}
.blog-foot{display:flex;gap:8px;justify-content:flex-end;margin-top:18px}
.blog-editor{display:flex;gap:10px;align-items:stretch}
.blog-editor textarea{
  flex:1 1 0;min-height:280px;font-family:ui-monospace,Consolas,Menlo,monospace;
  font-size:13px;line-height:1.7;
}
.blog-preview{
  flex:1 1 0;min-height:280px;max-height:420px;overflow:auto;
  border:1px dashed var(--line);border-radius:8px;padding:10px 12px;background:var(--panel-2);
}
.blog-hint{font-size:11px;color:var(--text-sub);line-height:1.8;margin-top:8px}
.blog-hint code{background:var(--panel-2);padding:1px 5px;border-radius:4px}
@media (max-width:720px){
  .blog-editor{flex-direction:column}
  .blog-preview{max-height:240px}
}

/* Markdown 正文 */
.md-body{font-size:14px;line-height:1.85;color:var(--text-main);word-break:break-word}
.md-body>:first-child{margin-top:0}
.md-body h1,.md-body h2,.md-body h3,.md-body h4{margin:20px 0 10px;line-height:1.45;font-weight:600}
.md-body h1{font-size:22px}
.md-body h2{font-size:19px;padding-bottom:6px;border-bottom:1px solid var(--line)}
.md-body h3{font-size:16px}
.md-body p{margin:10px 0}
.md-body ul,.md-body ol{padding-left:22px;margin:10px 0}
.md-body li{margin:4px 0}
.md-body a{color:var(--green);text-decoration:none}
.md-body a:hover{text-decoration:underline}
.md-body code{
  background:var(--panel-2);padding:2px 6px;border-radius:4px;font-size:.92em;
  font-family:ui-monospace,Consolas,Menlo,monospace;
}
.md-body pre{
  background:var(--panel-2);padding:12px 14px;border-radius:10px;overflow:auto;
  margin:12px 0;border:1px solid var(--line);
}
.md-body pre code{background:none;padding:0;font-size:12.5px;line-height:1.7}
.md-body blockquote{
  margin:12px 0;padding:8px 14px;border-left:3px solid var(--green);
  background:var(--panel-2);border-radius:0 8px 8px 0;color:var(--text-sub);
}
.md-body table{border-collapse:collapse;margin:12px 0;width:100%;font-size:13px}
.md-body th,.md-body td{border:1px solid var(--line);padding:6px 10px;text-align:left}
.md-body th{background:var(--panel-2);font-weight:600}
.md-body img{max-width:100%;border-radius:8px;display:block;margin:12px 0}
.md-body hr{border:0;border-top:1px solid var(--line);margin:20px 0}
.md-body .katex{font-size:1.05em}
.md-body .katex-display{overflow-x:auto;overflow-y:hidden;padding:6px 0;margin:12px 0}

/* 行列表 */
.row{display:flex;gap:10px;align-items:center;padding:10px;border-radius:8px;cursor:pointer}
.row-actions{display:flex;gap:8px;flex:0 0 auto;align-items:center}
.pick-item{
  display:flex;align-items:center;gap:9px;padding:8px;border-radius:8px;
  cursor:pointer;font-size:13px;color:var(--text-main);
}
.pick-item:hover{background:var(--panel-2)}
.pick-item input{width:16px;height:16px;accent-color:var(--green);flex:0 0 auto;cursor:pointer}
.pick-avatar{
  width:30px;height:30px;flex:0 0 30px;border-radius:6px;overflow:hidden;
  display:grid;place-items:center;font-size:15px;color:#fff;
}
.pick-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row:hover{background:var(--panel-2)}
.section-title{font-size:12px;color:var(--text-sub);padding:14px 10px 4px;font-weight:600}
.r-avatar{
  width:36px;height:36px;flex:0 0 36px;border-radius:8px;background:#eee;
  display:grid;place-items:center;font-size:18px;color:#333;
}
body[data-theme="dark"] .r-avatar{background:#333;color:#eee}
.r-main{flex:1;min-width:0}
.r-title{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.r-sub{font-size:11.5px;color:var(--text-sub);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.r-act{
  flex:0 0 auto;border:0;background:transparent;color:var(--text-sub);
  font-size:12px;padding:4px 6px;border-radius:6px;cursor:pointer;text-decoration:none;
}
.r-act:hover{background:rgba(0,0,0,.06);color:var(--red)}
.empty{padding:26px 10px;text-align:center;color:var(--text-sub);font-size:12.5px;line-height:1.8}

/* ================= 独立页面（通讯录 / 文件 / 收藏 / 设置） ================= */
.page-main{flex:1;min-width:0;display:flex;flex-direction:column;background:var(--chat-bg)}
.page-head{
  flex:0 0 60px;height:60px;display:flex;align-items:center;gap:10px;
  padding:0 18px;background:var(--panel);border-bottom:1px solid var(--line);
}
.page-title{font-size:15px;font-weight:600;color:var(--text-main)}
.page-sub{font-size:11px;color:var(--text-sub);margin-top:2px}
.page-actions{margin-left:auto;display:flex;gap:8px;align-items:center}
.page-body{flex:1;overflow-y:auto;padding:16px 18px 24px}
.back-link{
  display:none;text-decoration:none;color:var(--text-sub);font-size:24px;line-height:1;
  padding:0 8px;margin-left:-8px;
}
.back-link:hover{color:var(--text-main)}
.page-card{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:18px 18px 6px;margin-bottom:16px;max-width:none;
}
.page-card h3{font-size:13px;color:var(--text-sub);font-weight:600;margin-bottom:14px}
.page-tip{font-size:11.5px;color:var(--text-sub);line-height:1.8;margin:-4px 0 14px}

/* ================= 右键菜单 ================= */
.ctx{
  position:fixed;z-index:95;min-width:132px;display:none;padding:5px;
  background:var(--panel);border:1px solid var(--line);border-radius:8px;
  box-shadow:0 10px 30px rgba(0,0,0,.24);
}
.ctx.open{display:block}
.ctx button{
  display:block;width:100%;text-align:left;border:0;background:transparent;
  color:var(--text-main);padding:8px 10px;font-size:13px;border-radius:6px;cursor:pointer;
}
.ctx button:hover{background:var(--panel-2)}
.ctx button.danger{color:var(--red)}

/* ================= 通话 ================= */
.call-mask{
  position:fixed;inset:0;z-index:90;display:none;flex-direction:column;
  align-items:center;justify-content:center;gap:6px;color:#fff;
  background:radial-gradient(circle at 50% 28%,#2b3440,#0e1216);
}
.call-mask.open{display:flex}
.call-avatar{
  width:96px;height:96px;border-radius:26px;background:#333;
  display:grid;place-items:center;font-size:46px;margin-top:10px;
  box-shadow:0 14px 44px rgba(0,0,0,.5);
}
.call-name{font-size:19px;font-weight:600;margin-top:16px}
.call-state{font-size:13px;color:#9fb0c3}
.call-time{font-size:26px;font-weight:300;letter-spacing:1px;margin-top:8px;font-variant-numeric:tabular-nums}
.call-btns{display:flex;gap:22px;margin-top:36px}
.call-btns button{
  width:64px;height:64px;border-radius:50%;border:0;background:#FA5151;color:#fff;
  font-size:13px;cursor:pointer;display:grid;place-items:center;
}
.call-btns button:hover{filter:brightness(1.08)}
#callVideo{
  position:absolute;right:16px;top:16px;width:120px;height:160px;object-fit:cover;
  border-radius:12px;background:#000;display:none;
}
.call-mask.video #callVideo{display:block}

/* ================= Toast ================= */
.toast{
  position:fixed;left:50%;bottom:36px;z-index:120;transform:translate(-50%,10px);
  background:rgba(0,0,0,.8);color:#fff;font-size:13px;padding:8px 16px;border-radius:20px;
  opacity:0;pointer-events:none;transition:.25s;max-width:80vw;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ================= 登录页 ================= */
.login-page{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  padding:20px;background:radial-gradient(circle at 30% 18%,#3a4553,#14181d 70%);
  overflow:auto;
}
.login-card{
  width:min(360px,100%);padding:30px 28px 22px;text-align:center;
  background:#fff;border-radius:16px;box-shadow:0 30px 80px rgba(0,0,0,.5);
}
.login-logo{
  width:56px;height:56px;margin:0 auto 12px;border-radius:14px;
  background:linear-gradient(135deg,#07C160,#04A34F);
  display:grid;place-items:center;font-size:28px;
  box-shadow:0 10px 24px rgba(7,193,96,.35);
}
.login-card h1{font-size:20px;color:#111;letter-spacing:.6px}
.lg-sub{font-size:12px;color:#999;margin:6px 0 18px}
.login-tabs{display:flex;gap:6px;background:#F4F4F4;border-radius:9px;padding:4px;margin-bottom:18px}
.login-tab{
  flex:1;padding:8px 0;border:0;border-radius:7px;background:transparent;
  color:#8a8a8a;font-size:13px;cursor:pointer;transition:.15s;
}
.login-tab.on{background:#fff;color:#111;font-weight:600;box-shadow:0 1px 4px rgba(0,0,0,.1)}
.turnstile-wrap{
  display:flex;align-items:center;justify-content:center;
  min-height:65px;margin-bottom:12px;
}
.turnstile-wrap.invisible{min-height:0;height:0;margin:0;padding:0;overflow:hidden;position:relative}
.turnstile-wrap.invisible #turnstileBox{position:absolute;left:-9999px;top:0;width:300px;height:65px}
.turnstile-wrap.hidden{display:none}
.turnstile-hint{
  display:none;width:100%;margin:-2px 0 12px;padding:9px 12px;
  border-radius:9px;border:1px solid var(--line);background:var(--panel-2);
  color:var(--text-sub);font-size:12px;cursor:pointer;transition:.15s;font-family:inherit;
}
.turnstile-hint.on{display:block}
.turnstile-hint:hover{border-color:var(--green);color:var(--text-main)}
.turnstile-hint.ok{border-color:rgba(7,193,96,.45);color:var(--green);background:rgba(7,193,96,.08)}
.turnstile-hint.err{border-color:rgba(250,81,81,.45);color:#FA5151;background:rgba(250,81,81,.08)}
.turnstile-fallback{font-size:12px;color:#c62828;line-height:1.7;text-align:center;padding:8px 4px}
.login-field{
  display:flex;align-items:center;gap:8px;padding:0 12px;margin-bottom:12px;
  background:#F4F4F4;border:1px solid transparent;border-radius:9px;transition:.15s;
}
.login-field:focus-within{background:#fff;border-color:var(--green)}
.login-field svg{color:#9a9a9a;flex:0 0 auto}
.login-field input{
  flex:1;min-width:0;border:0;outline:0;background:transparent;
  padding:12px 0;font-size:14px;color:#1a1a1a;
}
.login-btn{
  width:100%;margin-top:4px;padding:12px;border:0;border-radius:9px;
  background:var(--green);color:#fff;font-size:15px;cursor:pointer;transition:background .15s;
}
.login-btn:hover{background:var(--green-dark)}
.login-err{color:var(--red);font-size:12px;min-height:18px;margin-top:10px;text-align:left;padding-left:2px}
.login-hint{
  margin-top:14px;padding:10px 12px;border-radius:9px;background:#FAFAFA;
  font-size:11px;line-height:1.9;color:#aaa;text-align:left;
}
.login-hint b{color:#888;font-weight:600}
.login-hint code{
  font-family:Consolas,"Courier New",monospace;color:#555;background:#F0F0F0;
  padding:1px 4px;border-radius:3px;
}

/* ================= 朋友圈 ================= */
.moment-composer textarea{
  width:100%;margin-top:12px;border:1px solid var(--line);border-radius:8px;
  background:var(--panel-2);color:var(--text-main);padding:10px 12px;
  font-size:13px;line-height:1.7;resize:vertical;min-height:72px;outline:0;
}
.moment-composer textarea:focus{border-color:var(--green)}
.composer-tools{display:flex;align-items:center;gap:8px;margin:10px 0 14px}
.thumbs{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.thumbs .thumb{width:64px;height:64px;border-radius:6px;overflow:hidden;position:relative}
.thumbs .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumbs .thumb button{
  position:absolute;right:2px;top:2px;width:18px;height:18px;border:0;border-radius:50%;
  background:rgba(0,0,0,.6);color:#fff;font-size:11px;line-height:1;cursor:pointer;padding:0;
}

.moment-card{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:14px 16px;margin-bottom:14px;max-width:none;
}
.moment-head{display:flex;gap:10px;align-items:center}
.moment-avatar{
  width:38px;height:38px;flex:0 0 38px;border-radius:8px;overflow:hidden;
  display:grid;place-items:center;font-size:18px;color:#fff;
}
.moment-name{font-size:13.5px;font-weight:600;color:var(--text-main)}
.moment-time{font-size:11px;color:var(--text-sub);margin-top:2px}
.moment-text{
  font-size:14px;line-height:1.75;color:var(--text-main);margin-top:10px;
  white-space:pre-wrap;overflow-wrap:anywhere;
}
.moment-imgs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:10px;max-width:420px}
.moment-imgs.one{grid-template-columns:minmax(0,240px)}
.moment-imgs img{
  width:100%;aspect-ratio:1;object-fit:cover;border-radius:6px;
  cursor:zoom-in;display:block;background:var(--panel-2);
}
.moment-actions{
  display:flex;gap:14px;align-items:center;margin-top:10px;padding-top:8px;
  border-top:1px solid var(--line);color:var(--text-sub);font-size:12px;
}
.moment-actions button{
  border:0;background:transparent;color:inherit;font-size:12px;cursor:pointer;
  padding:2px 4px;border-radius:4px;
}
.moment-actions button:hover{background:var(--panel-2)}
.moment-actions .liked{color:#E5484D}
.moment-comments{
  background:var(--panel-2);border-radius:8px;padding:8px 10px;margin-top:9px;
  font-size:12.5px;line-height:1.8;
}
.moment-comments .c{color:var(--text-main);overflow-wrap:anywhere;display:flex;gap:6px}
.moment-comments .c b{color:#4C7CF3;font-weight:600;flex:0 0 auto}
.moment-comments .c .del{
  margin-left:auto;border:0;background:transparent;color:var(--text-sub);
  font-size:11px;cursor:pointer;padding:0 3px;flex:0 0 auto;
}
.moment-comments .c .del:hover{color:var(--red)}
.comment-row{display:flex;gap:8px;margin-top:8px}
.comment-row input{
  flex:1;min-width:0;border:1px solid var(--line);background:var(--panel);
  border-radius:6px;padding:6px 9px;color:var(--text-main);font-size:12.5px;outline:0;
}
.comment-row input:focus{border-color:var(--green)}

.badge-role{font-size:10px;padding:1px 6px;border-radius:4px;margin-left:6px;font-weight:500}
.badge-role.admin{background:rgba(7,193,96,.16);color:#0a9c52}
.badge-role.user{background:rgba(76,154,255,.16);color:#3b82f6}
.user-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--text-sub);margin-top:8px}
.info-line{display:flex;gap:10px;font-size:13px;line-height:2}
.info-line span:first-child{width:76px;flex:0 0 76px;color:var(--text-sub)}
.info-line span:last-child{flex:1;min-width:0;overflow-wrap:anywhere}
.friend-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.friend-chips span{
  font-size:11.5px;padding:2px 8px;border-radius:10px;
  background:var(--panel-2);border:1px solid var(--line);color:var(--text-main);
}

/* ================= 滚动条 ================= */
*::-webkit-scrollbar{width:8px;height:8px}
*::-webkit-scrollbar-thumb{background:rgba(0,0,0,.16);border-radius:4px}
*::-webkit-scrollbar-track{background:transparent}
.chat-list::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16)}

/* ================= 移动端 ================= */
@media (max-width:760px){
  body{display:block;background:var(--side)}
  .app{width:100%;height:100vh;height:100dvh;border-radius:0;box-shadow:none}
  .rail{display:none}
  .sidebar{width:100%;flex:1 1 auto}
  .chat{display:none;flex:1 1 auto;width:100%}
  .app.show-chat .sidebar{display:none}
  .app.show-chat .chat{display:flex}
  .app-panel .sidebar{display:none}
  .app-panel .page-main{display:flex;width:100%}
  .back-link{display:block}
  .back{display:grid}
  .sidebar-head{padding-top:calc(18px + env(safe-area-inset-top))}
  .bubble-wrap{max-width:78%}
  .composer-foot{padding-bottom:calc(12px + env(safe-area-inset-bottom))}
  .emoji-panel{left:6px;width:calc(100% - 12px)}
  .search-panel{top:calc(112px + env(safe-area-inset-top))}
  .page-body{padding:14px 12px calc(20px + env(safe-area-inset-bottom))}
}