/* ============ 内部通讯 · 样式 ============ */
:root{
  --bg:#0a0c12; --bg2:#10131b; --panel:#151a24; --panel2:#1b212d; --panel3:#222a38;
  --line:#252d3b; --line2:#313b4d;
  --txt:#e9edf5; --dim:#8b95a9; --dim2:#5f6a7d;
  --accent:#5b7cff; --accent2:#8a5bff; --accent3:#ff5b9e;
  --ok:#2ee6a8; --warn:#ffc247; --err:#ff6b6b;
  --r:14px; --r-sm:10px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{
  background:radial-gradient(900px 500px at 10% -10%, rgba(91,124,255,.14), transparent 60%),
             radial-gradient(700px 420px at 95% 0%, rgba(138,91,255,.12), transparent 55%),
             var(--bg);
  color:var(--txt);
  font:14px/1.6 "PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font:inherit}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:#2a3342;border-radius:8px}
::-webkit-scrollbar-track{background:transparent}
::selection{background:rgba(91,124,255,.35)}

/* ---------- 通用 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:9px 16px;border-radius:10px;border:1px solid var(--line);
  background:var(--panel2);color:var(--txt);font-size:13.5px;transition:.15s;white-space:nowrap;
}
.btn:hover{background:var(--panel3);border-color:var(--line2)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));border:0;color:#fff;font-weight:600;box-shadow:0 8px 20px rgba(91,124,255,.28)}
.btn-primary:hover{filter:brightness(1.08);background:linear-gradient(135deg,var(--accent),var(--accent2))}
.btn-ghost{background:transparent}
.btn-sm{padding:6px 11px;font-size:12.5px;border-radius:8px}
.btn-block{width:100%}
.btn-danger{color:var(--err);border-color:rgba(255,107,107,.3)}
.btn-danger:hover{background:rgba(255,107,107,.12)}

.inp{
  width:100%;background:var(--bg2);border:1px solid var(--line);color:var(--txt);
  border-radius:10px;padding:11px 13px;font-size:14px;outline:none;transition:.15s;
}
.inp:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(91,124,255,.16)}
.inp::placeholder{color:#4e586b}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:13px}
.lbl{font-size:12px;color:var(--dim)}
.hint{font-size:11.5px;color:var(--dim2)}
.hidden{display:none !important}
.row{display:flex;align-items:center;gap:9px}
.grow{flex:1}

/* ---------- 登录 ---------- */
.auth-wrap{height:100%;display:grid;place-items:center;padding:20px;overflow:auto}
.auth-card{
  width:100%;max-width:380px;background:var(--panel);border:1px solid var(--line2);
  border-radius:20px;padding:30px 26px;box-shadow:0 24px 60px rgba(0,0,0,.55);
}
.auth-logo{
  width:56px;height:56px;border-radius:17px;margin:0 auto 14px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 14px 34px rgba(91,124,255,.4);
}
.auth-card h1{font-size:19px;margin:0 0 4px;text-align:center}
.auth-card .sub{text-align:center;color:var(--dim);font-size:12.5px;margin-bottom:22px}
.auth-tabs{display:flex;gap:6px;margin-bottom:18px;background:var(--bg2);padding:4px;border-radius:11px}
.auth-tab{flex:1;padding:8px;border-radius:8px;font-size:13px;color:var(--dim);text-align:center;transition:.15s}
.auth-tab.on{background:var(--panel3);color:var(--txt);font-weight:600}
.auth-msg{font-size:12.5px;min-height:18px;margin:2px 0 8px;color:var(--err)}
.auth-msg.ok{color:var(--ok)}

/* ---------- 主界面 ---------- */
.app{display:flex;height:100%}
.sidebar{
  width:320px;flex:0 0 auto;display:flex;flex-direction:column;
  background:var(--panel);border-right:1px solid var(--line);
}
.sb-head{padding:14px 16px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
.me-avatar{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent2));font-weight:700;color:#fff;font-size:15px;
}
.me-name{font-size:14px;font-weight:600;line-height:1.3}
.me-status{font-size:11.5px;color:var(--dim2);display:flex;align-items:center;gap:5px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--dim2);flex:0 0 auto}
.dot.on{background:var(--ok);box-shadow:0 0 8px rgba(46,230,168,.7)}
.sb-actions{display:flex;gap:6px;margin-left:auto}
.icon-btn{
  width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  color:var(--dim);transition:.15s;
}
.icon-btn:hover{background:var(--panel3);color:var(--txt)}
.icon-btn.on{background:rgba(91,124,255,.18);color:#a8b8ff}

.search-box{padding:10px 14px;border-bottom:1px solid var(--line)}
.search-box input{
  width:100%;background:var(--bg2);border:1px solid var(--line);color:var(--txt);
  border-radius:9px;padding:8px 11px;font-size:13px;outline:none;
}
.search-box input:focus{border-color:var(--accent)}

.tabs{display:flex;padding:0 14px;border-bottom:1px solid var(--line);gap:4px}
.tab{padding:10px 4px;font-size:13px;color:var(--dim);border-bottom:2px solid transparent;transition:.15s}
.tab.on{color:var(--txt);border-bottom-color:var(--accent);font-weight:600}

.list{flex:1;overflow-y:auto;padding:6px}
.list-item{
  display:flex;gap:11px;padding:10px 11px;border-radius:11px;cursor:pointer;transition:.12s;
  align-items:center;
}
.list-item:hover{background:var(--panel2)}
.list-item.on{background:linear-gradient(135deg,rgba(91,124,255,.18),rgba(138,91,255,.1))}
.avatar{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;display:grid;place-items:center;
  font-weight:600;font-size:15px;color:#fff;position:relative;background:#2a3342;
}
.avatar img{width:100%;height:100%;border-radius:12px;object-fit:cover}
.avatar .pres{
  position:absolute;right:-1px;bottom:-1px;width:11px;height:11px;border-radius:50%;
  background:var(--ok);border:2px solid var(--panel);
}
.li-main{flex:1;min-width:0}
.li-top{display:flex;align-items:baseline;gap:8px}
.li-name{font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.li-time{font-size:11px;color:var(--dim2);margin-left:auto;flex:0 0 auto}
.li-last{font-size:12.5px;color:var(--dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.li-badge{
  background:var(--accent3);color:#fff;font-size:10.5px;font-weight:700;
  min-width:17px;height:17px;border-radius:9px;display:grid;place-items:center;padding:0 5px;
}

/* ---------- 聊天区 ---------- */
.chat{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--bg2)}
.chat-head{
  height:60px;display:flex;align-items:center;gap:11px;padding:0 18px;
  border-bottom:1px solid var(--line);background:rgba(16,19,27,.9);backdrop-filter:blur(10px);
}
.chat-head .title{font-size:14.5px;font-weight:600}
.chat-head .sub{font-size:11.5px;color:var(--dim2)}
.chat-head .right{margin-left:auto;display:flex;gap:6px}
.msgs{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:10px}
.msg{display:flex;gap:9px;max-width:74%}
.msg.mine{margin-left:auto;flex-direction:row-reverse}
.msg .bubble{
  background:var(--panel2);border:1px solid var(--line);border-radius:13px;
  padding:9px 13px;font-size:13.5px;line-height:1.6;word-break:break-word;white-space:pre-wrap;
}
.msg.mine .bubble{
  background:linear-gradient(135deg,rgba(91,124,255,.32),rgba(138,91,255,.24));
  border-color:rgba(91,124,255,.4);
}
.msg .meta{font-size:10.5px;color:var(--dim2);margin-top:4px;display:flex;gap:8px;align-items:center}
.msg.mine .meta{justify-content:flex-end}
.msg .who{font-size:11.5px;color:#9aa6c4;margin-bottom:3px}
.msg .del{color:var(--err);cursor:pointer;opacity:0;transition:.15s}
.msg:hover .del{opacity:.8}
.sys-line{text-align:center;font-size:11.5px;color:var(--dim2);margin:6px 0}

.composer{border-top:1px solid var(--line);padding:12px 16px;background:var(--panel)}
.composer textarea{
  width:100%;background:var(--bg2);border:1px solid var(--line);color:var(--txt);
  border-radius:12px;padding:11px 13px;font-size:13.5px;resize:none;outline:none;
  max-height:130px;min-height:44px;line-height:1.55;
}
.composer textarea:focus{border-color:var(--accent)}
.composer .row{margin-top:9px}
.composer .tip{font-size:11px;color:var(--dim2);margin-left:auto}

.empty-chat{flex:1;display:grid;place-items:center;color:var(--dim2);font-size:13.5px;text-align:center;padding:30px}
.empty-chat svg{opacity:.4;margin-bottom:12px}

/* ---------- 弹窗 ---------- */
.mask{
  position:fixed;inset:0;background:rgba(4,6,10,.72);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:18px;z-index:90;
  opacity:0;pointer-events:none;transition:.18s;
}
.mask.on{opacity:1;pointer-events:auto}
.modal{
  background:var(--panel);border:1px solid var(--line2);border-radius:17px;
  width:100%;max-width:440px;max-height:86vh;display:flex;flex-direction:column;overflow:hidden;
  transform:translateY(12px);transition:.2s;box-shadow:0 24px 60px rgba(0,0,0,.6);
}
.mask.on .modal{transform:none}
.modal-h{padding:15px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;font-weight:600;font-size:14px}
.modal-h .x{margin-left:auto;color:var(--dim);font-size:20px;line-height:1;padding:2px 7px;border-radius:8px}
.modal-h .x:hover{background:var(--panel3);color:var(--txt)}
.modal-b{padding:18px;overflow-y:auto}
.modal-f{padding:13px 18px;border-top:1px solid var(--line);display:flex;gap:9px;justify-content:flex-end}

/* picker */
.pick-list{max-height:260px;overflow-y:auto;margin-top:10px}
.pick-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;cursor:pointer}
.pick-item:hover{background:var(--panel2)}
.pick-item.sel{background:rgba(91,124,255,.16)}
.pick-check{width:18px;height:18px;border-radius:5px;border:1.5px solid var(--line2);margin-left:auto;display:grid;place-items:center}
.pick-item.sel .pick-check{background:var(--accent);border-color:var(--accent)}

/* toast */
#toast-box{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{
  background:#1b212d;border:1px solid var(--line2);border-left:3px solid var(--accent);
  border-radius:10px;padding:9px 16px;font-size:13px;box-shadow:0 12px 30px rgba(0,0,0,.5);
  animation:tin .2s ease;max-width:80vw;
}
.toast.ok{border-left-color:var(--ok)}
.toast.err{border-left-color:var(--err)}
@keyframes tin{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* 移动端 */
@media(max-width:820px){
  .sidebar{width:100%;border-right:0}
  .chat{position:fixed;inset:0;z-index:60;transform:translateX(100%);transition:transform .22s}
  .chat.open{transform:none}
  .msg{max-width:86%}
  .back-btn{display:grid !important}
}
.back-btn{display:none}

/* 小工具 */
.spin{width:15px;height:15px;border:2px solid rgba(255,255,255,.22);border-top-color:#fff;border-radius:50%;animation:sp .7s linear infinite;display:inline-block}
@keyframes sp{to{transform:rotate(360deg)}}
.kv{display:grid;grid-template-columns:92px 1fr;gap:8px 12px;font-size:13px}
.kv .k{color:var(--dim);font-size:12.5px}
.kv .v{word-break:break-all}
.code-box{
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;
  background:var(--bg2);border:1px solid var(--line);border-radius:9px;padding:10px 12px;
  word-break:break-all;color:#a8b8ff;text-align:center;letter-spacing:1px;
}

/* ============ 好友 / 群管理 ============ */
.nf-row{position:relative}
.nf-badge{
  margin-left:auto;background:#e0453a;color:#fff;font-size:11px;font-weight:700;
  min-width:18px;height:18px;line-height:18px;text-align:center;border-radius:9px;padding:0 5px;
}
.read-tag{
  font-size:10.5px;color:#4a8fd8;margin-left:6px;
}
.read-tag.dim{color:#8a94a3}

.fr-sec{font-size:11.5px;color:var(--dim2);letter-spacing:1px;margin-bottom:8px}
.fr-row{
  display:flex;align-items:center;gap:9px;padding:9px 0;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.fr-row:last-child{border-bottom:0}
.fr-main{flex:1;min-width:0}
.fr-name{font-size:13px;font-weight:600;color:var(--txt)}
.fr-note{font-size:11.5px;color:var(--dim);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fr-empty{text-align:center;color:var(--dim2);font-size:12px;padding:16px 0}

.gm-list{max-height:300px;overflow-y:auto;margin-top:8px}
.gm-row{
  display:flex;align-items:center;gap:9px;padding:8px 0;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.gm-main{flex:1;min-width:0}
.gm-name{font-size:13px;color:var(--txt);display:flex;align-items:center;gap:5px;flex-wrap:wrap}
.gm-sub{font-size:11px;color:var(--dim2);margin-top:1px}
.gm-ops{display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}

.role-tag{
  font-size:9.5px;font-weight:700;padding:1px 5px;border-radius:4px;line-height:1.5;
}
.role-tag.owner{background:rgba(255,180,60,.18);color:#ffb43c;border:1px solid rgba(255,180,60,.4)}
.role-tag.admin{background:rgba(80,160,255,.18);color:#5aa8ff;border:1px solid rgba(80,160,255,.4)}
.role-tag.mute{background:rgba(180,80,80,.18);color:#e07a7a;border:1px solid rgba(180,80,80,.35)}

.mini-btn{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  color:var(--dim);font-size:10.5px;padding:3px 7px;border-radius:5px;cursor:pointer;
  transition:.12s;white-space:nowrap;
}
.mini-btn:hover{background:rgba(255,255,255,.12);color:var(--txt)}
.mini-btn.danger:hover{background:rgba(224,69,58,.2);border-color:rgba(224,69,58,.5);color:#ff8a80}

.grp-notice{
  background:rgba(255,200,80,.08);border:1px solid rgba(255,200,80,.25);
  border-radius:8px;padding:9px 12px;font-size:12px;color:#e8cf9a;
  margin-bottom:12px;line-height:1.7;
}
.grp-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px;padding-top:12px;border-top:1px solid rgba(255,255,255,.08)}

/* 设备信息 */
.me-meta{font-size:10px;color:var(--dim2);margin-left:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:80px}
.me-status{display:flex;align-items:center;gap:4px;overflow:hidden}

.sys-msg{
  text-align:center;font-size:11.5px;color:#8b93a3;
  background:rgba(255,255,255,.05);border-radius:8px;
  padding:5px 12px;margin:10px auto;max-width:80%;
  line-height:1.6;
}

.me-meta{display:flex;flex-direction:column;line-height:1.35;margin-top:1px;max-width:110px}
.mm-dev{font-size:9.5px;color:#7d8ba0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mm-ip{font-size:9px;color:#4f5a6b;font-family:ui-monospace,monospace;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.li-ip{font-family:ui-monospace,monospace;font-size:10px;color:#5b6b80}

.li-sid{font-family:ui-monospace,monospace;font-size:10.5px;color:#7d9bc4;background:rgba(90,140,220,.12);padding:0 4px;border-radius:3px}

/* 会话右键菜单 */
.ctx-menu{
  position:fixed;background:#1a2430;border:1px solid #2a3a4d;border-radius:9px;
  padding:4px;z-index:300;box-shadow:0 12px 34px rgba(0,0,0,.65);min-width:140px;
}
.ctx-item{padding:8px 14px;font-size:13px;cursor:pointer;border-radius:6px;color:#dbe4ef;white-space:nowrap}
.ctx-item:hover{background:#243244}
.pin-ico,.mute-ico{font-size:10px;margin-right:3px;opacity:.85}
.list-item.pinned{background:rgba(90,140,220,.07)}
.list-item.pinned .li-name{color:#a8c8f0}

/* 群公告滚动条 */
.notice-bar{
  position:relative;overflow:hidden;height:24px;line-height:24px;
  background:rgba(255,200,80,.08);border-bottom:1px solid rgba(255,200,80,.18);
  font-size:11.5px;color:#e8cf9a;
}
.notice-bar .notice-track{
  display:inline-block;white-space:nowrap;padding-left:100%;
  animation:noticeScroll 18s linear infinite;
}
.notice-bar .notice-track:hover{animation-play-state:paused}
@keyframes noticeScroll{
  from{transform:translateX(0)}
  to{transform:translateX(-100%)}
}

/* ============ 输入工具条 ============ */
.cbar{display:flex;gap:4px;padding:2px 0 4px}
.cbtn{
  width:30px;height:30px;border-radius:7px;border:1px solid transparent;
  background:transparent;font-size:15px;cursor:pointer;line-height:1;
  display:grid;place-items:center;transition:.13s;color:var(--dim);
}
.cbtn:hover{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.1)}

/* 弹出面板 */
.panel-pop{
  display:none;position:absolute;left:12px;bottom:96px;
  background:#121a24;border:1px solid #253244;border-radius:12px;
  box-shadow:0 16px 40px rgba(0,0,0,.6);z-index:50;
  max-height:260px;overflow-y:auto;
}
.panel-pop.on{display:block}
#emoji-panel{width:296px;padding:8px;display:none;grid-template-columns:repeat(8,1fr);gap:2px}
#emoji-panel.on{display:grid}
.emo{
  font-size:19px;text-align:center;padding:3px 0;cursor:pointer;border-radius:6px;line-height:1.3;
}
.emo:hover{background:rgba(255,255,255,.09)}

#quick-panel{width:250px;padding:8px}
.qitem{
  display:flex;align-items:center;gap:6px;padding:7px 9px;border-radius:7px;
  cursor:pointer;font-size:12.5px;
}
.qitem:hover{background:rgba(255,255,255,.07)}
.qtxt{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#dbe4ef}
.qdel{color:#5a6a80;font-size:15px;padding:0 3px}
.qdel:hover{color:#ff6b7a}
.qempty{text-align:center;color:#5a6a80;font-size:11.5px;padding:10px 0}
.qadd{display:flex;gap:4px;margin-top:6px;border-top:1px solid rgba(255,255,255,.07);padding-top:8px}
.qadd input{
  flex:1;min-width:0;height:28px;background:#0a1017;border:1px solid #253244;
  border-radius:6px;padding:0 8px;color:#dbe4ef;font-size:12px;outline:none;
}
.qadd button{
  width:28px;height:28px;border-radius:6px;border:1px solid #253244;
  background:#1a2634;color:#7ec9a8;cursor:pointer;font-size:16px;line-height:1;
}

/* 附件消息 */
.bubble-img{padding:4px!important;background:transparent!important;box-shadow:none!important}
.bubble-img::before{display:none!important}
.bubble-file{padding:8px 12px!important}
.bubble-file a{display:flex;align-items:center;gap:8px;text-decoration:none;color:inherit}
.file-ico{font-size:16px}
.file-nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12.5px}
.file-sz{font-size:10.5px;color:#8a96a8}

/* 邀请选择 */
.pick-row{
  display:flex;align-items:center;gap:9px;padding:8px 6px;border-radius:8px;cursor:pointer;
}
.pick-row:hover{background:rgba(255,255,255,.06)}
.pick-row input{width:16px;height:16px;accent-color:#4aa8ff}
.pick-main{flex:1;min-width:0}
.pick-nm{font-size:13px;color:#dbe4ef}
.pick-sub{font-size:11px;color:#5a6a80;font-family:ui-monospace,monospace}

/* ============================================================
   登录 / 注册页 · 水墨山水
   ============================================================ */
#auth-view{
  position:relative;overflow:hidden;
  background:#070b10;
}
.ink-bg{
  position:absolute;inset:0;width:100%;height:100%;
  z-index:0;pointer-events:none;
  filter:saturate(.9);
}
.auth-wrap{position:relative;z-index:1}

/* 卡片：宣纸质感 */
.auth-card{
  background:linear-gradient(180deg, rgba(22,30,40,.86) 0%, rgba(12,18,26,.94) 100%);
  border:1px solid rgba(150,185,220,.16);
  border-radius:20px;
  backdrop-filter:blur(16px) saturate(120%);
  box-shadow:
    0 34px 80px rgba(0,0,0,.65),
    0 0 0 1px rgba(255,255,255,.03) inset,
    0 1px 0 rgba(255,255,255,.07) inset;
  position:relative;
  overflow:visible;
}
/* 山势提亮 */
.ink-bg{opacity:.92;filter:brightness(1.25) saturate(1.05)}

/* 卡片顶部墨迹晕染 */
.auth-card::before{
  content:'';position:absolute;left:50%;top:-1px;transform:translateX(-50%);
  width:70%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(190,220,255,.5),transparent);
}

/* 标题：楷体 + 字距 */
.auth-card h1{
  font-family:"KaiTi","STKaiti","Kaiti SC","SimSun",serif;
  font-size:34px;letter-spacing:12px;text-indent:12px;
  font-weight:400;margin:0 0 6px;
  color:#eef6ff;
  text-shadow:0 0 26px rgba(140,190,240,.35);
}
.auth-card .sub{
  font-family:"KaiTi","STKaiti",serif;
  letter-spacing:3px;color:rgba(170,195,220,.62);font-size:12.5px;
}

/* 印章 */
.ink-seal{
  position:absolute;right:18px;top:18px;
  width:38px;height:38px;border-radius:5px;
  border:1.5px solid rgba(190,70,60,.75);
  color:rgba(220,90,78,.92);
  font-family:"KaiTi","STKaiti",serif;font-size:17px;
  display:grid;place-items:center;
  transform:rotate(-6deg);
  box-shadow:0 0 16px rgba(190,70,60,.18) inset;
  opacity:.9;pointer-events:none;
  letter-spacing:0;
}

/* 输入框：墨线风 */
.auth-card .inp{
  background:rgba(8,13,20,.72);
  border:1px solid rgba(140,175,210,.16);
  border-radius:10px;
  transition:.18s;
}
.auth-card .inp:focus{
  border-color:rgba(140,195,255,.55);
  box-shadow:0 0 0 3px rgba(90,160,255,.10), 0 0 22px -6px rgba(120,180,255,.5);
  background:rgba(10,16,24,.9);
}
.auth-card .lbl{
  font-family:"KaiTi","STKaiti",serif;
  letter-spacing:1.5px;color:rgba(165,190,215,.78);
}

/* 主按钮：墨金 */
.auth-card .btn-primary{
  background:linear-gradient(135deg,#2b4a68,#1b3348);
  border:1px solid rgba(140,195,255,.28);
  color:#e8f4ff;letter-spacing:6px;text-indent:6px;
  font-family:"KaiTi","STKaiti",serif;font-size:16px;
  box-shadow:0 10px 26px -10px rgba(70,140,220,.7);
  transition:.18s;
}
.auth-card .btn-primary:hover{
  background:linear-gradient(135deg,#35597c,#204056);
  box-shadow:0 14px 32px -10px rgba(90,170,255,.85);
}

/* 标签页 */
.auth-tabs .auth-tab{
  font-family:"KaiTi","STKaiti",serif;letter-spacing:3px;
}

/* 登录页墨logo */
.auth-ink-logo{
  width:68px;height:68px;border-radius:18px;display:block;margin:0 auto 16px;
  box-shadow:0 14px 34px rgba(0,0,0,.55), 0 0 0 1px rgba(160,195,230,.12);
}

/* 备注输入区 */
.remark-box{margin-top:14px;padding-top:12px;border-top:1px solid rgba(255,255,255,.08)}
.remark-lb{font-size:11.5px;color:#7d8ba0;margin-bottom:6px}
.remark-box .inp{width:100%}

.rmk-tag{
  font-size:9px;color:#7ec9a8;background:rgba(126,201,168,.14);
  border:1px solid rgba(126,201,168,.3);border-radius:3px;
  padding:0 3px;margin-left:4px;vertical-align:1px;
}

/* ============================================================
   iOS / 刘海屏 · 安全区适配（iPhone X 及以后、灵动岛）
   ============================================================ */
@supports (padding: env(safe-area-inset-top)) {
  /* 主界面：整体避开刘海和底部横条 */
  #app-view{
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
    height: 100vh;
    height: 100dvh;              /* 移动端动态视口，避开地址栏 */
  }

  /* 登录页 */
  #auth-view{
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
  }

  /* 侧边栏顶部再留一点，防止头像贴边 */
  .sb-head{
    padding-top: calc(env(safe-area-inset-top) * 0.4);
  }

  /* 输入框底部避开 Home 条 */
  .composer{
    padding-bottom: calc(8px + env(safe-area-inset-bottom));
  }

  /* 聊天区底部也留出空间 */
  .msgs{
    padding-bottom: calc(8px + env(safe-area-inset-bottom) * 0.3);
  }
}

/* 小屏/窄屏通用优化：所有版本都能显示完整 */
html, body{
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}

/* 视口高度兼容：旧 iOS 用 vh，新的用 dvh */
#app-view{ height: 100vh; }
@supports (height: 100dvh){ #app-view{ height: 100dvh; } }

/* 横屏时压缩头部，避免内容被挤 */
@media (max-height: 500px) and (orientation: landscape) {
  .sb-head{ padding-top: 4px; padding-bottom: 4px; }
  .me-avatar{ width: 34px; height: 34px; font-size: 14px; }
}

/* 群消息身份标签 */
.who .role-tag{
  margin-left:5px;font-size:9px;padding:0 4px;border-radius:3px;
  vertical-align:1px;font-weight:700;
}
.who .role-tag.owner{background:rgba(255,180,60,.18);color:#ffb43c;border:1px solid rgba(255,180,60,.4)}
.who .role-tag.admin{background:rgba(80,160,255,.18);color:#5aa8ff;border:1px solid rgba(80,160,255,.4)}