/* ============================================================
   聊天室 · 设计系统（单页应用壳）
   ------------------------------------------------------------
   视觉语言来自「界面重构」稿：暖米白纸面 + 陶土橙强调色 + 衬线标题，
   浅 / 深双主题 + 4 档强调色，动效遵循 prefers-reduced-motion。
   同时承载管理控制台、站点门禁页共用的基础组件（btn/input/kv/tabs…）。
   ============================================================ */

:root{
  --bg:#FAF9F5; --bg-side:#F3F1EA; --panel:#FFFFFF;
  --text:#1F1E1D; --text-2:#6B6A65; --text-3:#A09F99;
  --border:rgba(31,30,29,.09); --hover:rgba(55,53,47,.06); --active:rgba(55,53,47,.10);
  --accent:#C96442; --accent-soft:rgba(201,100,66,.10); --blue:#0071E3;
  --danger:#D64541; --ok:#2BB673;
  --glass:rgba(250,249,245,.72);
  --shadow-sm:0 1px 2px rgba(0,0,0,.04),0 1px 1px rgba(0,0,0,.03);
  --shadow-md:0 8px 30px rgba(0,0,0,.08),0 1px 3px rgba(0,0,0,.05);
  --shadow-lg:0 24px 70px rgba(0,0,0,.18),0 2px 8px rgba(0,0,0,.06);
  --ease:cubic-bezier(.2,.8,.2,1);
  --spring:cubic-bezier(.2,.9,.3,1.25);
  --serif:"Tiempos Headline","Songti SC","Noto Serif SC","Source Han Serif SC",Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"SF Mono",ui-monospace,Menlo,Consolas,monospace;
}
html.dark{
  --bg:#262624; --bg-side:#1F1E1D; --panel:#30302E;
  --text:#ECEBE6; --text-2:#A8A7A1; --text-3:#76756F;
  --border:rgba(255,255,255,.09); --hover:rgba(255,255,255,.06); --active:rgba(255,255,255,.10);
  --accent:#E07B55; --accent-soft:rgba(224,123,85,.14); --blue:#2997FF;
  --danger:#E5484D; --ok:#5FD49A;
  --glass:rgba(38,38,36,.72);
  --shadow-sm:0 1px 2px rgba(0,0,0,.3); --shadow-md:0 8px 30px rgba(0,0,0,.4); --shadow-lg:0 24px 70px rgba(0,0,0,.55);
}
html.sans-head{--serif:var(--sans)}
html.sans-head .hero h1,html.sans-head .m-head h2,html.sans-head .r-big{font-weight:650}
html.compact .msg{padding:3px 12px;gap:10px}
html.compact .msg>.av{width:30px;height:30px;font-size:12px}
html.compact .text{font-size:14px;line-height:1.55}

*{box-sizing:border-box;margin:0;padding:0}
/* hidden 属性必须永远赢过任何 display 规则 —— 否则 .conn-bar 这类 display:flex
   的元素挂着 hidden 也会显示成一条空白（顶栏下面那条「红框空条」就是它） */
[hidden]{display:none!important}
html,body{height:100%}
body{font-family:var(--sans);background:var(--bg);color:var(--text);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow:hidden;transition:background .3s,color .3s}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,textarea{font:inherit;color:inherit}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.ic{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.ic.sm{width:14px;height:14px}.ic.lg{width:18px;height:18px}.ic.xl{width:24px;height:24px}
.rot{transform:rotate(-90deg)}
.spacer{flex:1}
code{font-family:var(--mono);font-size:.88em;background:var(--active);padding:1px 6px;border-radius:5px}

/* ============ 关键帧 ============ */
@keyframes fade{from{opacity:0}}
@keyframes fadeOut{to{opacity:0}}
@keyframes pop{from{opacity:0;transform:scale(.94) translateY(8px)}}
@keyframes popOut{to{opacity:0;transform:scale(.97) translateY(6px)}}
@keyframes popin{from{opacity:0;transform:scale(.9)}}
@keyframes menuUp{from{opacity:0;transform:translateY(8px) scale(.97)}}
@keyframes rise{from{opacity:0;transform:translateY(14px)}}
@keyframes riseUp{from{opacity:0;transform:translateY(40px) scale(.98)}}
@keyframes dropIn{from{opacity:0;transform:translateY(-100%)}}
@keyframes msgIn{from{opacity:0;transform:translateY(18px) scale(.98)}}
@keyframes flash{from{background:var(--accent-soft)}}
@keyframes popb{0%{transform:scale(.5)}55%{transform:scale(1.28)}100%{transform:scale(1)}}
@keyframes toolsIn{from{opacity:0;transform:translateY(4px) scale(.95)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes b{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-4px);opacity:1}}
@keyframes blink{50%{opacity:0}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(52,199,89,.55)}80%,100%{box-shadow:0 0 0 6px rgba(52,199,89,0)}}
@keyframes tick{0%{transform:scale(.7)}50%{transform:scale(1.25)}100%{transform:scale(1)}}
@keyframes shake{20%{transform:translateX(-6px)}40%{transform:translateX(5px)}60%{transform:translateX(-3px)}80%{transform:translateX(2px)}}
@keyframes launch{0%{transform:none;opacity:1}45%{transform:translateY(-16px);opacity:0}46%{transform:translateY(16px);opacity:0}100%{transform:none;opacity:1}}

/* 入场工具类（由 JS 添加） */
.rv{animation:rise .6s var(--ease) backwards;animation-delay:calc(var(--i,0)*45ms)}
.rvx{animation:rise .55s var(--ease) backwards;animation-delay:calc(var(--i,0)*32ms + 120ms)}

/* ============ Layout ============ */
.app{--sw:268px;--rw:308px;display:grid;grid-template-columns:var(--sw) minmax(0,1fr) var(--rw);grid-template-rows:minmax(0,1fr);height:100vh;height:100dvh;min-height:0;transition:grid-template-columns .45s var(--ease)}
.app.no-side{--sw:0px}
.app.no-right{--rw:0px}

/* ============ Sidebar ============ */
.sidebar{background:var(--bg-side);border-right:1px solid var(--border);overflow:hidden;transition:background .3s,transform .4s var(--ease)}
.app.no-side .sidebar{border-right-color:transparent}
.side-in{width:268px;height:100%;display:flex;flex-direction:column;padding:10px 8px;transition:opacity .35s,transform .45s var(--ease)}
.app.no-side .side-in{opacity:0;transform:translateX(-24px)}
.ws{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:8px}
.ws-logo{width:24px;height:24px;border-radius:7px;background:linear-gradient(135deg,#E8946F,var(--accent));display:grid;place-items:center;color:#fff;font-size:13px;font-weight:700;box-shadow:inset 0 0 0 1px rgba(255,255,255,.25)}
.ws-name{font-weight:600;font-size:14px;flex:1;white-space:nowrap}
.nav{display:flex;flex-direction:column;gap:1px}
.item{position:relative;isolation:isolate;display:flex;align-items:center;gap:9px;padding:5px 10px;border-radius:7px;color:var(--text-2);font-size:14px;cursor:pointer;transition:background .15s,color .15s;white-space:nowrap;min-height:30px;user-select:none}
.item:hover{background:var(--hover)}
.item>.ic{color:var(--text-3);transition:transform .25s var(--spring),color .15s}
.item:hover>.ic{transform:scale(1.12)}
.item.active{background:transparent;color:var(--text);font-weight:600}
.item.active::before{content:"";position:absolute;inset:0;border-radius:7px;background:var(--active);z-index:-1}
.item.active>.ic{color:var(--accent)}
.item .label{flex:1;overflow:hidden;text-overflow:ellipsis}
.item .meta{font-size:11.5px;color:var(--text-3)}
.badge{background:var(--accent);color:#fff;font-size:11px;font-weight:600;min-width:18px;height:18px;padding:0 5px;border-radius:9px;display:grid;place-items:center}
.badge.mute{background:transparent;color:var(--text-3);font-weight:500}
.badge-dim{background:var(--active);color:var(--text-2);font-size:11px;font-weight:600;min-width:18px;height:18px;padding:0 5px;border-radius:9px;display:grid;place-items:center}
.scroll{flex:1;min-height:0;overflow-y:auto;margin:0 -8px;padding:0 8px}
.scroll::-webkit-scrollbar{width:8px}
.scroll::-webkit-scrollbar-thumb{background:transparent;border-radius:4px}
.scroll:hover::-webkit-scrollbar-thumb{background:var(--active)}
.group-title{display:flex;align-items:center;gap:4px;padding:14px 10px 4px;font-size:12px;font-weight:600;color:var(--text-3);cursor:pointer;user-select:none;transition:color .15s}
.group-title:hover{color:var(--text-2)}
.group-title .ic{transition:transform .3s var(--ease)}
.coll{display:grid;grid-template-rows:0fr;opacity:0;transition:grid-template-rows .38s var(--ease),opacity .3s}
.coll.open{grid-template-rows:1fr;opacity:1}
.coll-in{overflow:hidden;min-height:0}
.coll:not(.open) .coll-in{visibility:hidden;transition:visibility 0s .38s}
.sdot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#9ca3af;flex-shrink:0}
.sdot.on{background:#34c759;animation:ping 2.4s infinite}
.foot-me{display:flex;align-items:center;gap:10px;padding:8px;margin-top:6px;border-top:1px solid var(--border)}
.foot-me .info{flex:1;line-height:1.25;min-width:0;cursor:pointer}
.foot-me .n{font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.foot-me .s{font-size:12px;color:var(--text-3);display:flex;align-items:center;gap:5px}
.icon-btn{padding:6px;border-radius:8px;color:var(--text-2);display:grid;place-items:center;transition:background .15s,color .15s,transform .2s var(--spring)}
.icon-btn:hover{background:var(--active);color:var(--text)}

/* ============ Avatars ============ */
.av{width:36px;height:36px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;color:#fff;font-weight:600;font-size:14px;user-select:none}
.av-img{object-fit:cover;background:var(--panel)}
/* 账号弹窗的头像区 */
.ava-row{display:flex;align-items:center;gap:16px;margin-bottom:6px}
.ava-box .av{border:1px solid var(--border)}
.ava-btns{display:flex;flex-direction:column;gap:8px}
.ava-btns .btn{width:fit-content}
/* 私信顶栏的对端小头像 */
.top-ava{box-shadow:0 0 0 2px var(--bg)}
.stack{display:flex;margin-right:6px}
.stack .av{width:26px;height:26px;font-size:11px;border:2px solid var(--bg);margin-left:-8px;transition:transform .25s var(--spring)}
.stack .av:first-child{margin-left:0}
.stack .av:hover{transform:translateY(-3px)}
.stack .more{background:var(--active);color:var(--text-2);font-size:11px}

/* ============ Main ============ */
.main{display:flex;flex-direction:column;min-width:0;min-height:0;position:relative;background:var(--bg);transition:background .3s}
.topbar{position:absolute;top:0;left:0;right:0;z-index:10;height:56px;padding:0 16px;display:flex;align-items:center;gap:10px;background:var(--glass);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s;animation:dropIn .7s var(--ease) backwards}
.topbar.scrolled{border-bottom-color:var(--border);box-shadow:0 6px 20px -12px rgba(0,0,0,.18)}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);white-space:nowrap;min-width:0}
.crumb b{color:var(--text);font-weight:600;overflow:hidden;text-overflow:ellipsis}
.crumb .sep{color:var(--text-3)}
.topic{font-size:13px;color:var(--text-3);margin-left:6px;padding-left:14px;border-left:1px solid var(--border);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:980px;font-size:13px;font-weight:500;background:var(--text);color:var(--bg);transition:opacity .15s,transform .2s var(--spring);white-space:nowrap;border:none}
.pill:hover{opacity:.85}
.pill.acc{background:var(--accent);color:#fff}
.pill.ghost{background:var(--panel);color:var(--text);border:1px solid var(--border);box-shadow:var(--shadow-sm)}
.btn{padding:7px 16px;border-radius:980px;font-size:13px;font-weight:500;color:var(--text-2);transition:background .15s,color .15s;white-space:nowrap}
.btn:hover{background:var(--hover);color:var(--text)}
.btn.danger{background:var(--danger);color:#fff}
.btn.danger:hover{background:color-mix(in srgb,var(--danger) 85%,#000);color:#fff}

/* min-height:0 是关键：flex/grid 子项默认 min-height:auto，消息一多 .main 会被
   内容撑高、.feed 永远不滚、输入框被顶出屏幕（body overflow:hidden 还锁死整页滚动） */
.feed{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;padding:56px 0 calc(var(--cwh,150px) + 40px)}
.main.no-comp .feed{padding-bottom:60px}
.feed::-webkit-scrollbar{width:10px}
.feed::-webkit-scrollbar-thumb{background:var(--active);border-radius:5px;border:3px solid var(--bg)}
.col{position:relative;z-index:0;max-width:760px;margin:0 auto;padding:0 28px}

.to-bottom{position:absolute;left:50%;bottom:calc(var(--cwh,150px) + 6px);z-index:12;opacity:0;transform:translate(-50%,16px) scale(.9);pointer-events:none;transition:opacity .3s,transform .4s var(--spring);box-shadow:var(--shadow-md)}
.to-bottom.show{opacity:1;transform:translate(-50%,0) scale(1);pointer-events:auto}
.to-bottom .ic{animation:float 1.8s ease-in-out infinite}

/* 连接状态条 */
.conn-bar{position:absolute;top:56px;left:0;right:0;z-index:9;display:flex;align-items:center;justify-content:center;gap:8px;padding:7px 16px;font-size:13px;color:var(--text-2);background:var(--accent-soft);border-bottom:1px solid var(--border);animation:dropIn .4s var(--ease)}
.conn-bar.long{color:#fff;background:var(--accent)}
.conn-bar.click{cursor:pointer}

/* 密钥横幅（管理视图 / 解锁） */
.keyless-banner{position:absolute;top:56px;left:0;right:0;z-index:8;display:flex;flex-direction:column;gap:8px;padding:14px 28px;background:var(--panel);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm);animation:dropIn .4s var(--ease)}
.keyless-banner b{font-size:14px}
.keyless-banner span{font-size:13px;color:var(--text-2);line-height:1.55}
.keyless-form{display:flex;gap:8px;align-items:center;max-width:420px}

/* ============ Hero ============ */
.hero{position:relative;padding:64px 0 36px}
.hero::before{content:"";position:absolute;z-index:-1;top:-30px;right:-30px;width:460px;max-width:90%;height:300px;pointer-events:none;filter:blur(44px);opacity:.8;background:radial-gradient(circle at 30% 40%,var(--accent-soft),transparent 60%),radial-gradient(circle at 75% 60%,rgba(123,97,255,.18),transparent 60%)}
html.dark .hero::before{opacity:.5}
.hero .eyebrow{font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.02em;margin-bottom:10px}
.hero h1{font-family:var(--serif);font-weight:500;font-size:46px;line-height:1.12;letter-spacing:-.02em}
.hero h1 span{color:var(--text-3)}
.hero p{margin-top:14px;font-size:16px;color:var(--text-2);max-width:560px;line-height:1.55}
.hero .chips{display:flex;gap:8px;margin-top:22px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:980px;font-size:13px;border:1px solid var(--border);background:var(--panel);color:var(--text-2);box-shadow:var(--shadow-sm);transition:transform .25s var(--spring),color .15s,box-shadow .2s}
.chip .ic{color:var(--accent)}
.chip-btn{cursor:pointer}
.chip-btn:hover{color:var(--text);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.compact-hero{padding:56px 0 18px}
.compact-hero h1{font-size:38px}

.sug-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:32px}
.sug{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border-radius:14px;border:1px solid var(--border);background:var(--panel);box-shadow:var(--shadow-sm);transition:transform .2s ease-out,box-shadow .25s,border-color .2s;text-align:left;width:100%}
.sug:hover{box-shadow:var(--shadow-md);border-color:color-mix(in srgb,var(--accent) 35%,var(--border));transform:translateY(-3px)}
.sug .si{color:var(--accent);margin-bottom:4px;display:flex;align-items:center;gap:6px}
.sug b{font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.sug span.d{font-size:12.5px;color:var(--text-3);line-height:1.45}
.sug .tags{display:flex;gap:6px;flex-wrap:wrap}

.divider{display:flex;align-items:center;gap:14px;margin:26px 0 10px;font-size:12px;font-weight:600;color:var(--text-3)}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--border)}
.divider span{padding:3px 12px;border:1px solid var(--border);border-radius:980px;background:var(--panel)}
.daybreak{margin:18px 0 6px}

/* ============ Messages ============ */
.msg{display:flex;gap:12px;padding:8px 12px;margin:0 -12px;border-radius:12px;position:relative;transition:background .15s}
.msg:hover{background:var(--hover)}
.msg.fresh{animation:msgIn .5s var(--spring) backwards,flash 1.8s ease-out}
.msg>.av{transition:transform .3s var(--spring)}
.msg:hover>.av{transform:scale(1.06)}
.msg.cont{padding-top:2px;padding-bottom:2px}
.msg.cont .gutter{width:36px;flex-shrink:0;font-size:11px;color:transparent;text-align:center;line-height:26px;transition:color .2s}
.msg.cont:hover .gutter{color:var(--text-3)}
.body{flex:1;min-width:0}
.head{display:flex;align-items:baseline;gap:8px;margin-bottom:1px;flex-wrap:wrap}
.name{font-weight:600;font-size:15px}
.tag{font-size:10.5px;font-weight:600;padding:1px 7px;border-radius:5px;background:var(--accent-soft);color:var(--accent)}
.mod-tag{background:color-mix(in srgb,#e8a13d 16%,transparent);color:#d68f2a}
html.dark .mod-tag{color:#e8b562}
.time{font-size:12px;color:var(--text-3)}
.text{color:var(--text);line-height:1.65;word-break:break-word;white-space:pre-wrap}
.text.failed{color:var(--text-3);font-style:italic}
.mention{background:var(--accent-soft);color:var(--accent);padding:0 5px;border-radius:5px;font-weight:500}
.pend-mark{font-size:11px;color:var(--text-3)}

/* 自己的消息靠右（QQ/微信式）：头像在右、内容镜像，双方都走气泡 ——
   对方浅面板色，自己强调色；气泡宽度跟着内容走，上限 78% 防长文糊满一行 */
.msg.mine{flex-direction:row-reverse}
.msg.mine .body{display:flex;flex-direction:column;align-items:flex-end}
.msg.mine .head{flex-direction:row-reverse}
.msg.mine .head .name,.msg.mine .head .tag{display:none}
.msg .text{background:var(--panel);border:1px solid var(--border);padding:7px 12px;border-radius:4px 14px 14px 14px;width:fit-content;max-width:min(78%,560px)}
.msg.mine .text{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 24%,transparent);border-radius:14px 4px 14px 14px}
.msg.mine .text.failed{background:transparent;border-color:transparent}
.msg.mine .tools{right:auto;left:12px}
.msg.mine .reacts{justify-content:flex-end}
.msg.cont.msg.mine .text{margin-top:1px}
html.compact .msg .text{padding:6px 10px}

.tools{position:absolute;right:12px;top:-14px;display:none;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:2px;box-shadow:var(--shadow-md);z-index:3}
.msg:hover .tools{display:flex;animation:toolsIn .18s var(--spring)}
.tools .icon-btn{padding:5px}
.tools .icon-btn.danger:hover{color:var(--danger)}

.reacts{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.react{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;border-radius:980px;font-size:13px;background:var(--panel);border:1px solid var(--border);color:var(--text-2);box-shadow:var(--shadow-sm);transition:transform .2s var(--spring),border-color .15s,background .15s,color .15s}
.react:hover{border-color:var(--text-3);transform:translateY(-2px)}
.react:active{transform:scale(.92)}
.react.pop{animation:popb .45s var(--ease)}
.react.mine{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 45%,transparent);color:var(--accent)}
.react small{font-size:12px;font-weight:600}
.react.add{opacity:0}
.msg:hover .react.add{opacity:1}

.thread-chip{display:inline-flex;align-items:center;margin-top:8px;padding:4px 12px 4px 6px;border-radius:10px;font-size:13px;color:var(--blue);cursor:pointer;border:1px solid transparent;transition:all .2s}
.thread-chip:hover{background:var(--panel);border-color:var(--border);box-shadow:var(--shadow-sm);transform:translateX(3px)}
.thread-chip em{font-style:normal;color:var(--text-3);font-size:12px;margin-left:8px}

/* 文件卡片（密文：文件名由客户端解出） */
.file-card{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:10px;max-width:480px;padding:12px 14px;border:1px solid var(--border);border-radius:12px;background:var(--panel);box-shadow:var(--shadow-sm);transition:box-shadow .25s}
.file-card .fi{width:40px;height:40px;border-radius:10px;background:var(--bg-side);display:grid;place-items:center;border:1px solid var(--border);color:var(--accent);flex-shrink:0}
.file-card .t{font-weight:600;font-size:14px;line-height:1.3;word-break:break-all}
.file-card .d{font-size:12.5px;color:var(--text-3)}
.file-card .fgo{margin-left:auto;flex-shrink:0}
/* 有「预览」按钮时：预览接管推挤，下载按钮紧跟其后 */
.file-card .fpv{margin-left:auto;flex-shrink:0}
.file-card .fpv ~ .fgo{margin-left:0}
/* 预览独占第二行：图标/文件名/按钮保持第一行，图片不满行时居中、按原比例缩放（小图不拉伸） */
.file-card .preview-row{flex:1 1 100%;min-width:0}
.file-card .preview-row img{display:block;max-width:100%;max-height:320px;margin:2px auto 0;border-radius:10px}
.file-card .preview-ph{min-height:88px;display:grid;place-items:center;border:1px dashed var(--border);border-radius:10px;font-size:12.5px;color:var(--text-3);background:var(--active);animation:pulse-ph 1.6s ease-in-out infinite}
.file-card .preview-ph.fail{animation:none;background:transparent}
@keyframes pulse-ph{0%,100%{opacity:.55}50%{opacity:1}}
.file-card.warn-dl{border-color:color-mix(in srgb,var(--danger) 45%,var(--border))}

.more{display:block;margin:14px auto 4px;padding:6px 18px;border-radius:980px;font-size:13px;color:var(--text-2);background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:all .2s}
.more:hover{color:var(--text);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.sys{text-align:center;font-size:12.5px;color:var(--text-3);padding:3px 0}
.pending-send{opacity:.55}
.empty{display:flex;flex-direction:column;align-items:center;gap:10px;padding:80px 0;color:var(--text-3);animation:rise .5s var(--ease) backwards}

/* 拖拽上传遮罩：拖进主区域亮虚线框，pointer-events:none 保证 drop 落到 main */
.drop-hint{position:absolute;inset:12px;z-index:30;display:flex;flex-direction:column;gap:10px;align-items:center;justify-content:center;border:2px dashed var(--accent);border-radius:18px;background:color-mix(in srgb,var(--bg) 78%,transparent);backdrop-filter:blur(5px);color:var(--accent);font-weight:600;font-size:15.5px;opacity:0;pointer-events:none;transition:opacity .18s}
.drop-hint.show{opacity:1}
.drop-hint .ic{width:34px;height:34px;stroke-width:1.8}

/* .txt/.md 预览弹窗：纯文本渲染 */
.file-preview{margin:0;max-height:56vh;overflow:auto;background:var(--bg-side);border:1px solid var(--border);border-radius:12px;padding:14px 16px;white-space:pre-wrap;word-break:break-word;font-size:13.5px;line-height:1.65;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

/* 等待审批 */
.waiting{position:absolute;inset:0;z-index:5;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:24px;background:var(--bg)}
.waiting h3{font-family:var(--serif);font-weight:500;font-size:24px}
.waiting p{color:var(--text-2);font-size:14px;line-height:1.6}
.ring{width:38px;height:38px;border-radius:50%;border:3px solid var(--active);border-top-color:var(--accent);animation:spin 1s linear infinite}

/* ============ Composer ============ */
.composer-wrap{position:absolute;left:0;right:0;bottom:0;padding:40px 28px 18px;pointer-events:none;background:linear-gradient(to top,var(--bg) 52%,transparent)}
.composer{pointer-events:auto;max-width:760px;margin:0 auto;position:relative;background:var(--panel);border:1px solid var(--border);border-radius:22px;box-shadow:0 4px 24px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);padding:14px 14px 10px 18px;transition:box-shadow .3s,border-color .3s,transform .3s var(--ease);animation:riseUp .9s .3s var(--ease) backwards}
.composer:focus-within{border-color:color-mix(in srgb,var(--accent) 45%,transparent);box-shadow:0 6px 30px color-mix(in srgb,var(--accent) 14%,transparent),0 0 0 4px var(--accent-soft);transform:translateY(-2px)}
.composer textarea{display:block;width:100%;resize:none;border:none;outline:none;background:transparent;font-size:15.5px;line-height:1.6;min-height:28px;max-height:200px;height:28px;margin-bottom:8px}
.composer textarea::placeholder{color:var(--text-3)}
.composer textarea:disabled{opacity:.5}
.fchips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.fchips:empty{display:none}
.fchip{display:inline-flex;align-items:center;gap:6px;padding:4px 6px 4px 10px;border-radius:10px;background:var(--bg-side);border:1px solid var(--border);font-size:13px;color:var(--text-2);animation:popin .3s var(--spring);max-width:280px}
.fchip .fn{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fchip button{display:grid;place-items:center;padding:2px;border-radius:5px;color:var(--text-3);transition:background .15s,transform .2s}
.fchip button:hover{background:var(--active);color:var(--text);transform:rotate(90deg)}
.c-row{display:flex;align-items:center;gap:2px}
.c-row .icon-btn{padding:7px}
.send{position:relative;overflow:hidden;width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;margin-left:8px;transition:transform .25s var(--spring),opacity .25s,box-shadow .25s;flex-shrink:0}
.send:hover:not(:disabled){transform:scale(1.1);box-shadow:0 4px 14px color-mix(in srgb,var(--accent) 45%,transparent)}
.send:active:not(:disabled){transform:scale(.92)}
.send:disabled{opacity:.3;cursor:default;transform:scale(.92)}
.send.go .ic{animation:launch .5s var(--ease)}
.hint-line{text-align:center;font-size:12px;color:var(--text-3);margin-top:10px;animation:fade 1s .9s backwards}
kbd{font-family:var(--sans);font-size:11px;padding:1px 6px;border:1px solid var(--border);border-radius:5px;background:var(--panel);color:var(--text-2)}

/* ============ Right panel ============ */
.right{min-height:0;border-left:1px solid var(--border);background:var(--bg);overflow:hidden;transition:transform .4s var(--ease)}
.app.no-right .right{border-left-color:transparent}
.right-in{width:308px;height:100%;display:flex;flex-direction:column;transition:opacity .35s,transform .45s var(--ease)}
.app.no-right .right-in{opacity:0;transform:translateX(28px)}
.r-head{flex-shrink:0;height:56px;padding:0 14px 0 20px;display:flex;align-items:center;justify-content:space-between;gap:8px;background:var(--glass);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--border);font-weight:600;font-size:14px}
.r-head span{flex:1}
.r-body{flex:1;overflow-y:auto}
.r-body::-webkit-scrollbar{width:8px}.r-body::-webkit-scrollbar-thumb{background:var(--active);border-radius:4px}
.r-tabs{padding:14px 20px 0}
.r-tabs .seg{display:flex}.r-tabs .seg button{flex:1}
.r-sec{padding:20px}
.r-sec+.r-sec{border-top:1px solid var(--border)}
.r-sec.center{text-align:center;display:flex;flex-direction:column;align-items:center}
.r-title{font-size:12px;font-weight:600;color:var(--text-3);margin-bottom:10px;display:flex;justify-content:space-between;align-items:center}
.r-big{font-family:var(--serif);font-size:22px;font-weight:500;line-height:1.25;margin-bottom:6px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.r-desc{font-size:13.5px;color:var(--text-2);line-height:1.6}
.prop{display:flex;align-items:center;gap:10px;padding:5px 6px;margin:0 -6px;border-radius:6px;font-size:13.5px;min-height:32px;transition:background .15s}
.prop:hover{background:var(--hover)}
.prop .k2{width:92px;color:var(--text-3);display:flex;align-items:center;gap:6px;flex-shrink:0}
.prop .v{display:flex;align-items:center;gap:6px;flex-wrap:wrap;word-break:break-all}
.tagp{font-size:12px;padding:1px 8px;border-radius:5px;font-weight:500}
.t-b{background:rgba(0,113,227,.12);color:#0a62c4}
.t-g{background:rgba(43,182,115,.15);color:#1c8a55}
.t-o{background:rgba(255,159,10,.17);color:#b36b00}
html.dark .t-b{color:#6cb6ff}html.dark .t-g{color:#5fd49a}html.dark .t-o{color:#ffbf5c}
.member{display:flex;align-items:center;gap:10px;padding:6px;margin:0 -6px;border-radius:8px;transition:background .15s}
.member:hover{background:var(--hover)}
.member .av{width:30px;height:30px;font-size:11px;flex:0 0 30px}
/* 名字容器（无类名的 info div）必须可收缩：flex 子项默认 min-width:auto，
   长名字会把后面「移出 / 拉黑」按钮整个挤出面板 —— 让它 flex:1 + min-width:0，
   .m1 的省略号才有生效的前提；按钮列与标签锁死不缩 */
.member>div{flex:1;min-width:0}
.member .m1{font-size:13.5px;font-weight:500;line-height:1.2;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.member .m2{font-size:12px;color:var(--text-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.member .sdot{margin-left:auto;flex-shrink:0}
.member .act{margin-left:auto;display:flex;gap:4px;flex:0 0 auto}
.member .mini-btn{flex-shrink:0}
.member .tag{flex-shrink:0}
.r-foot{flex-shrink:0;padding:12px 14px;border-top:1px solid var(--border)}
.tcomp{display:flex;align-items:flex-end;gap:8px;background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:8px 8px 8px 14px;transition:border-color .25s,box-shadow .25s}
.tcomp:focus-within{border-color:color-mix(in srgb,var(--accent) 45%,transparent);box-shadow:0 0 0 3px var(--accent-soft)}
.tcomp textarea{flex:1;border:none;outline:none;background:transparent;resize:none;height:24px;max-height:120px;font-size:14px;line-height:1.6;padding-top:3px}
.tcomp .send{margin:0;width:30px;height:30px}
.right .r-body .msg{padding:8px 4px;margin:0}
.right .r-body .th-root{padding:12px 16px}
.right .r-body .th-reps{padding:0 16px 16px}
.right .file-card{max-width:100%}

/* ============ Controls ============ */
.seg{display:inline-flex;background:var(--active);border-radius:9px;padding:2px;gap:2px}
.seg button{padding:4px 12px;border-radius:7px;font-size:13px;color:var(--text-2);white-space:nowrap;transition:background .25s,color .25s,box-shadow .25s,transform .15s;border:none}
.seg button:active{transform:scale(.95)}
.seg button.on{background:var(--panel);color:var(--text);box-shadow:var(--shadow-sm);font-weight:500}
.sw{width:38px;height:22px;border-radius:11px;background:rgba(120,120,128,.32);position:relative;transition:background .25s;flex-shrink:0;cursor:pointer;border:none}
.sw::after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform .35s var(--spring)}
.sw.on{background:#34c759}.sw.on::after{transform:translateX(16px)}

/* ============ Modal / Popover / Toast ============ */
.ov{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.28);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:20px;animation:fade .22s}
.ov.pal{align-items:flex-start;padding-top:14vh}
.ov.out{animation:fadeOut .17s forwards;pointer-events:none}
.ov.out .modal{animation:popOut .17s forwards}
.modal{width:100%;max-width:520px;max-height:84vh;overflow:auto;background:var(--bg);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow-lg);animation:pop .35s var(--spring)}
.modal.pal{max-width:620px;background:var(--panel);overflow:hidden}
.m-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px 6px}
/* 直属弹窗的说明段（不走 .m-body/.field 的）与头部同宽对齐，否则文字顶到圆角边缘 */
.modal>p.fnote{padding:0 22px;margin-top:4px}
.m-head h2{font-family:var(--serif);font-weight:500;font-size:24px;letter-spacing:-.01em}
.m-sub{padding:0 22px;font-size:13px;color:var(--text-2);line-height:1.55}
.m-body{padding:10px 22px 22px}
.m-foot{display:flex;justify-content:flex-end;gap:8px;padding:0 22px 20px;align-items:center}
.m-lab{font-size:12px;font-weight:600;color:var(--text-3);margin:16px 4px 6px}
.group{background:var(--panel);border:1px solid var(--border);border-radius:12px}
.row{display:flex;align-items:center;justify-content:space-between;padding:11px 14px;gap:12px}
.row+.row{border-top:1px solid var(--border)}
.rl{font-size:14px}.rs{font-size:12px;color:var(--text-3)}
.swatch{display:flex;gap:10px}
.swatch button{width:22px;height:22px;border-radius:50%;background:var(--c);box-shadow:inset 0 0 0 1px rgba(0,0,0,.1);transition:transform .25s var(--spring),box-shadow .25s;border:none}
.swatch button.on{box-shadow:0 0 0 2px var(--panel),0 0 0 4px var(--c)}
.fl{display:block;font-size:13px;font-weight:600;margin:16px 0 6px}
.fl span{color:var(--text-3);font-weight:400}
.inp,.input{display:flex;align-items:center;gap:8px;width:100%;padding:9px 12px;border-radius:10px;border:1px solid var(--border);background:var(--panel);color:var(--text);transition:border-color .2s,box-shadow .2s;font-size:14px}
.inp:focus-within,.input:focus{border-color:color-mix(in srgb,var(--accent) 50%,transparent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}
.input.shake{animation:shake .4s;border-color:var(--danger)}
textarea.input{display:block;resize:none}
.fnote,.hint{font-size:12px;color:var(--text-3);margin-top:8px;line-height:1.55}
.err{font-size:12.5px;color:var(--danger);min-height:18px;margin-top:6px}
.btn-block{width:100%}
.btn-sm{padding:5px 12px;font-size:12.5px}
.btn-ghost{background:var(--panel);border:1px solid var(--border)}
.btn-danger{color:var(--danger)}
.btn-danger:hover{background:color-mix(in srgb,var(--danger) 10%,transparent);color:var(--danger)}
.mini-btn{padding:4px 10px;border-radius:8px;font-size:12.5px;color:var(--text-2);background:var(--panel);border:1px solid var(--border);transition:all .15s;white-space:nowrap}
.mini-btn:hover{color:var(--text);background:var(--hover)}
.mini-btn:active{transform:scale(.94)}
.mini-btn.danger{color:var(--danger)}
.mini-btn.danger:hover{background:color-mix(in srgb,var(--danger) 10%,transparent)}
.pal-in{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--border);color:var(--text-3)}
.pal-in input{flex:1;border:none;outline:none;background:transparent;font-size:17px;color:var(--text)}
.pal-list{max-height:340px;overflow-y:auto;padding:6px}
.pg{font-size:12px;font-weight:600;color:var(--text-3);padding:10px 12px 4px}
.pi{display:flex;align-items:center;gap:12px;padding:8px 12px;border-radius:9px;cursor:pointer;font-size:14px;transition:background .12s,padding-left .2s var(--ease)}
.pi .ic{color:var(--text-3);transition:color .15s,transform .25s var(--spring)}
.pi small{margin-left:auto;font-size:12px;color:var(--text-3)}
.pi.sel{background:var(--accent-soft);padding-left:16px}
.pi.sel .ic{color:var(--accent);transform:scale(1.15)}
.empty-s{padding:36px;text-align:center;color:var(--text-3);font-size:14px}
.pal-foot{display:flex;gap:18px;padding:10px 18px;border-top:1px solid var(--border);font-size:12px;color:var(--text-3)}

.pop{display:none;position:fixed;z-index:120;background:var(--panel);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-lg);padding:6px;transform-origin:top right;animation:popin .2s var(--spring)}
.picker{display:grid;grid-template-columns:repeat(4,1fr);gap:2px}
.picker button{padding:9px;border-radius:9px;color:var(--text-2);display:grid;place-items:center;transition:background .15s,color .15s,transform .25s var(--spring)}
.picker button:hover{background:var(--accent-soft);color:var(--accent);transform:scale(1.25)}
.menu{min-width:220px}
.menu button{display:flex;align-items:center;gap:10px;width:100%;text-align:left;padding:8px 10px;border-radius:9px;font-size:14px;transition:background .15s}
.menu button:hover{background:var(--hover)}
.menu small{display:block;font-size:12px;color:var(--text-3)}
.menu .ck{margin-left:auto;color:var(--accent);opacity:0;transform:scale(.4);transition:all .3s var(--spring)}
.menu button.on .ck{opacity:1;transform:none}
#toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,24px) scale(.92);background:var(--text);color:var(--bg);padding:9px 18px;border-radius:980px;font-size:13px;font-weight:500;opacity:0;pointer-events:none;transition:opacity .25s,transform .45s var(--spring);z-index:200;box-shadow:var(--shadow-md);max-width:80vw;text-align:center}
#toast.show{opacity:1;transform:translate(-50%,0) scale(1)}
.scrim{display:none;position:fixed;inset:0;background:rgba(0,0,0,.25);z-index:40;animation:fade .3s}
.app.side-open+.scrim,.app.show-right+.scrim{display:block}

/* 主题切换：圆形扩散（View Transitions） */
::view-transition-old(root),::view-transition-new(root){animation:none;mix-blend-mode:normal}
::view-transition-old(root){z-index:1}
::view-transition-new(root){z-index:9999}

/* ============ 门禁页 / 简单页 ============ */
.gate{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg)}
.gate-card{width:100%;max-width:380px;background:var(--panel);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow-md);padding:34px 30px;text-align:center;animation:pop .5s var(--spring)}
.gate-brand{font-family:var(--serif);font-size:26px;font-weight:500;letter-spacing:.02em}
.gate-brand span{color:var(--accent)}
.gate-sub{font-size:13.5px;color:var(--text-2);margin:8px 0 22px}
.gate-input{text-align:center;font-size:15px}
.gate-btn{margin-top:10px}
.gate-hint{font-size:12px;color:var(--text-3);margin-top:18px;line-height:1.6}
.gate-link{font-size:12.5px}
.invite-sub{font-size:13.5px;color:var(--text-2);margin:10px 0 4px;line-height:1.6}
.gate-card .field{margin-top:6px}

/* ============ 管理控制台（console.js 共用） ============ */
.console{position:fixed;inset:0;z-index:150;display:flex;align-items:center;justify-content:center;padding:20px}
.console-mask{position:absolute;inset:0;background:rgba(0,0,0,.3);backdrop-filter:blur(4px)}
.console-panel{position:relative;width:min(860px,100%);max-height:88vh;display:flex;flex-direction:column;background:var(--bg);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow-lg);animation:pop .35s var(--spring);overflow:hidden}
.console-head{display:flex;align-items:center;gap:12px;padding:16px 20px 8px}
.console-title-box{flex:1}
.console-title-box b{font-family:var(--serif);font-size:19px;font-weight:500;display:block}
.console-sub{font-size:12px;color:var(--text-3)}
.console-status{font-size:12px;color:var(--text-3)}
.console-live{font-size:12px;color:var(--accent)}
.console-head-right{display:flex;gap:6px;align-items:center}
.console-tabs{display:flex;gap:2px;padding:6px 20px 0;border-bottom:1px solid var(--border);flex-wrap:wrap;position:relative}
/* 活动页签的底衬不是逐页签重画，而是一个滑动的指示块 —— 切换时它从旧页签
   平移过去（仿 界面重构.html 的 seg 手感）；页签换行时按 offsetTop 一起修正 */
.tab-ind{position:absolute;left:0;top:0;border-radius:8px;background:var(--active);z-index:0;pointer-events:none;transition:transform .38s var(--ease),width .38s var(--ease),height .2s}
.console-body{flex:1;overflow-y:auto;padding:16px 20px 20px}
.console-body::-webkit-scrollbar{width:8px}.console-body::-webkit-scrollbar-thumb{background:var(--active);border-radius:4px}
.console-loading{color:var(--text-3);font-size:13.5px;padding:20px 0}
.console-section{margin-bottom:22px}
.console-note{font-size:12.5px;color:var(--text-3);margin:4px 0 10px;line-height:1.55}
.tabs{display:flex;gap:2px}
.tab{padding:5px 12px;border-radius:8px;font-size:13px;color:var(--text-2);white-space:nowrap;border:none;position:relative;z-index:1;transition:color .2s,transform .15s var(--spring)}
.tab:hover{background:var(--hover)}
.tab:active{transform:scale(.94)}
.tab.on{color:var(--text);font-weight:600;background:transparent}
.section-head{display:flex;align-items:baseline;gap:10px;margin:0 0 8px}
.section-head h3{font-size:13px;font-weight:600;color:var(--text-2)}
.count{font-size:12px;color:var(--text-3)}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px;margin-bottom:18px}
.stat-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:12px 14px;box-shadow:var(--shadow-sm)}
.stat-value{display:block;font-family:var(--serif);font-size:22px;font-weight:500}
.stat-label{display:block;font-size:12px;color:var(--text-3);margin-top:2px}
.stat-sub{display:block;font-size:11px;color:var(--text-3);margin-top:2px}
.adm-row{display:flex;align-items:center;gap:10px;padding:9px 4px;border-bottom:1px solid var(--border);flex-wrap:wrap}
.adm-row:last-child{border-bottom-color:transparent}
.adm-row-main{flex:1;min-width:180px}
.adm-row-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.adm-row-name{font-size:13.5px;font-weight:600}
.adm-row-slug{font-family:var(--mono);font-size:12px;color:var(--text-3)}
.adm-row-meta{font-size:12px;color:var(--text-3);display:flex;gap:10px;flex-wrap:wrap;margin-top:2px}
.adm-actions{display:flex;gap:6px;flex-wrap:wrap}
.access-actions{margin-top:8px}
.adm-self-note{font-size:12px;color:var(--text-3);font-style:italic}
.url-row{display:flex;align-items:center;gap:8px}
.url-row code{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.kv{display:flex;justify-content:space-between;gap:12px;padding:7px 0;font-size:13.5px;border-bottom:1px dashed var(--border)}
.kv:last-child{border-bottom:none}
.kv span:first-child{color:var(--text-3);flex-shrink:0}
.kv span:last-child{text-align:right;word-break:break-all}
.sec-banner{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:12px 14px;font-size:13.5px;line-height:1.6;box-shadow:var(--shadow-sm)}
.sec-banner b{display:block;font-size:14px;margin-bottom:2px}
.sec-banner span{color:var(--text-2);font-size:13px}
.sec-banner.warn{border-color:color-mix(in srgb,var(--accent) 40%,var(--border));background:var(--accent-soft)}
.sec-banner.good{border-color:color-mix(in srgb,var(--ok) 40%,var(--border));background:color-mix(in srgb,var(--ok) 8%,transparent)}
.user-list{list-style:none}
.user-list li{display:flex;align-items:center;gap:8px;padding:7px 4px;border-bottom:1px solid var(--border);font-size:13.5px;flex-wrap:wrap}
.user-list li:last-child{border-bottom:none}
.user-list .swatch{width:12px;height:12px;border-radius:50%;flex-shrink:0}
.user-list .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-list .you{font-size:11px;color:var(--accent);font-weight:600;flex-shrink:0}
.user-list .act{display:flex;gap:4px;flex-shrink:0}
.empty-row{color:var(--text-3);font-size:13px}
.pending-item .info{flex:1;display:flex;align-items:baseline;gap:8px;min-width:0}
.pending-item .info small{color:var(--text-3);font-size:11.5px}
.sw-text{flex:1;display:flex;flex-direction:column;gap:1px}
.sw-text b{font-size:13.5px;font-weight:600}
.sw-text small{font-size:12px;color:var(--text-3)}
.switch-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 0}
.sheet-foot{font-size:11.5px;color:var(--text-3);margin-top:14px;line-height:1.6}

/* ============ 私信 / 好友 ============ */
.dm-grp{justify-content:space-between}
.dm-grp .mini-btn{padding:2px 8px;font-size:11.5px}
.dm-av{width:20px;height:20px;border-radius:50%;position:relative;flex-shrink:0;display:grid;place-items:center;font-size:10px;color:#fff;font-weight:600;background:var(--accent)}
.dm-av::after{content:"";position:absolute;right:-2px;bottom:-2px;width:7px;height:7px;border-radius:50%;background:var(--text-3);border:2px solid var(--bg-side,var(--bg))}
.dm-av.on::after{background:var(--ok)}
.item .badge-n{background:var(--accent);color:#fff;font-size:10.5px;font-weight:600;min-width:17px;height:17px;padding:0 5px;border-radius:9px;display:grid;place-items:center;flex-shrink:0}
/* 好友行的「⋯」删除入口：平时隐形，鼠标靠近 / 行选中 / 键盘聚焦时淡入 */
.row-more{margin-left:auto;flex-shrink:0;display:grid;place-items:center;width:22px;height:22px;padding:0;border:0;border-radius:6px;background:transparent;color:var(--text-3);cursor:pointer;opacity:0;transition:opacity .18s,background .15s,color .15s}
.row-more .ic{width:16px;height:16px;stroke:none;fill:currentColor}
.nav .item:hover>.row-more,.nav .item.active>.row-more,.row-more:focus-visible{opacity:1}
.row-more:hover{color:var(--text);background:var(--active)}
.row-more:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.dm-req .mini-btn{padding:2px 8px;font-size:11.5px;flex-shrink:0}
.dm-empty .label{color:var(--text-3);font-size:13px;white-space:normal;line-height:1.5}
.dm-sec{display:flex;align-items:center;gap:10px;margin:10px 0 4px;padding:10px 14px;background:var(--panel);border:1px solid var(--border);border-radius:10px;font-size:13px;flex-wrap:wrap}
.dm-sec .k{color:var(--text-3);font-size:12px;font-weight:600}
.dm-sec code{font-weight:600;letter-spacing:.5px}
.dm-sec .s{color:var(--text-3);font-size:11.5px;margin-left:auto}
.dm-unlock{max-width:420px;margin:26px 0;padding:20px;background:var(--panel);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:8px}
.dm-unlock>b{font-size:15px}
.dm-unlock>span{font-size:12.5px;color:var(--text-2);line-height:1.6}
.dm-unlock .u-row{display:flex;gap:8px;margin-top:6px}
.dm-unlock .u-row input{flex:1}
.dm-unlock .mini-btn{align-self:flex-start}
.fr-list{display:flex;flex-direction:column;gap:2px}
.fr-row{display:flex;align-items:center;gap:10px;padding:7px 6px;border-radius:8px}
.fr-row:hover{background:var(--hover)}
.fr-row .fr-n{flex:1;display:flex;flex-direction:column;line-height:1.3;min-width:0}
.fr-row .fr-n b{font-size:13.5px}
.fr-row .fr-n span{font-size:11.5px;color:var(--text-3)}
.fr-row .meta{font-size:11.5px;color:var(--text-3)}
.gate-edit{margin-top:10px;padding:12px;border:1px dashed var(--border);border-radius:10px;display:flex;flex-direction:column;gap:6px}
.gate-edit .adm-actions{margin-top:4px}

/* ============ Responsive ============ */
@media (max-width:1180px){
  .app,.app.no-right,.app.no-side{grid-template-columns:var(--sw) minmax(0,1fr)}
  .right{position:fixed;right:0;top:0;bottom:0;width:308px;z-index:50;box-shadow:var(--shadow-lg)}
  .app.no-right .right{transform:translateX(110%);box-shadow:none}
  .hero h1{font-size:38px}
}
@media (max-width:860px){
  .app,.app.no-right,.app.no-side{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:fixed;left:0;top:0;bottom:0;width:268px;z-index:60;transform:translateX(-100%);box-shadow:var(--shadow-lg)}
  .app.side-open .sidebar{transform:none}
  .app.no-side .side-in{opacity:1;transform:none}
  .topic,.stack{display:none}
  .col{padding:0 18px}
  .sug-grid{grid-template-columns:1fr}
  .keyless-banner{padding:12px 18px}
  .hero{padding:48px 0 24px}
  .hero h1{font-size:32px}
}

/* 减少动效：用户设置 / 系统偏好 */
html.no-motion *,html.no-motion *::before,html.no-motion *::after{animation-duration:.001ms!important;animation-delay:0s!important;animation-iteration-count:1!important;transition-duration:.001ms!important;transition-delay:0s!important}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-delay:0s!important;animation-iteration-count:1!important;transition-duration:.001ms!important;transition-delay:0s!important}
}

/* ── 提及我的（@收件箱）—— 参照 界面重构.html ─────────────────── */
.mib{display:flex;gap:12px;padding:14px 12px;margin:0 -12px;border-radius:12px;cursor:pointer;align-items:flex-start;transition:background .15s,transform .25s var(--ease-spring, ease)}
.mib:hover{background:var(--hover);transform:translateX(4px)}
.mib+.mib{border-top:1px solid var(--border)}
.mib .dotu{width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:14px;flex-shrink:0;transition:transform .35s var(--ease-spring, ease),opacity .35s}
.mib .dotu.off{transform:scale(0);opacity:0}
.mib-b{flex:1;min-width:0}
.mib-h{display:flex;align-items:baseline;gap:8px;font-size:14px}
.mib-h span{color:var(--text-3);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mib-h time{margin-left:auto;font-size:12px;color:var(--text-3);flex-shrink:0}
.mib-t{font-size:13.5px;color:var(--text-2);margin-top:2px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.mib-ic{color:var(--text-3);flex-shrink:0;margin-top:10px}
.mib-read{opacity:0;transition:opacity .15s;flex-shrink:0;align-self:center}
.mib:hover .mib-read{opacity:1}
.mib-bar{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.mib-bar .spacer{flex:1}

/* ── 群内 @ 选择器（输入 @ 弹出成员列表）────────────────────────── */
.atpop{position:fixed;z-index:60;min-width:200px;max-width:260px;max-height:240px;overflow:auto;background:var(--panel);border:1px solid var(--border);border-radius:14px;box-shadow:0 12px 32px rgba(0,0,0,.14);padding:6px;animation:pop .18s var(--ease-spring, ease) both}
.atpop .at-item{display:flex;align-items:center;gap:8px;padding:7px 9px;border-radius:9px;cursor:pointer;font-size:13.5px}
.atpop .at-item:hover,.atpop .at-item.sel{background:var(--hover)}
.atpop .at-item .av{width:24px;height:24px;font-size:9px;flex-shrink:0}
.atpop .at-item .at-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.atpop .at-item .at-role{margin-left:auto;font-size:11px;color:var(--text-3);flex-shrink:0}
.atpop .at-empty{padding:10px;font-size:12.5px;color:var(--text-3);text-align:center}
/* ── 成员面板：离线分组 ─────────────────────────────── */
.member.off{opacity:.62}
.member.off:hover{opacity:1}
.member.off .m1{color:var(--text-2)}
.tag.off-tag{background:var(--panel);color:var(--text-3);border:1px solid var(--border)}