:root{
  --bg:#0b0f14; --panel:#121821; --panel-2:#161e28; --line:#222c39;
  --text:#e7edf4; --muted:#8b98a8; --accent:#7c9cff; --accent-2:#5ee7c4;
  --danger:#ff6b81; --warn:#ffcf5c; --radius:16px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:radial-gradient(1200px 600px at 10% -10%,rgba(124,156,255,.10),transparent 60%),
             radial-gradient(900px 500px at 100% 0%,rgba(94,231,196,.07),transparent 55%),var(--bg);
  color:var(--text);
  font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  min-height:100vh;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 8px;line-height:1.3}
p{margin:0 0 10px}
.hidden{display:none !important}
.muted{color:var(--muted)}
.small{font-size:13px}
button{font:inherit;cursor:pointer}
input,textarea,select{
  width:100%;background:#0d131b;border:1px solid var(--line);color:var(--text);
  border-radius:12px;padding:11px 13px;outline:none;transition:border-color .15s,box-shadow .15s;
}
input:focus,textarea:focus,select:focus{border-color:rgba(124,156,255,.65);box-shadow:0 0 0 3px rgba(124,156,255,.12)}
textarea{resize:vertical;min-height:96px}
label{display:block;font-size:13px;color:var(--muted);margin-bottom:12px}
label input,label textarea,label select{margin-top:6px;color:var(--text)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid var(--line);background:var(--panel-2);color:var(--text);
  padding:9px 16px;border-radius:999px;font-weight:600;transition:.15s;white-space:nowrap;
}
.btn:hover{border-color:#33415a;background:#1b2431;text-decoration:none}
.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));border:none;color:#0b1017}
.btn.primary:hover{filter:brightness(1.06);background:linear-gradient(135deg,var(--accent),var(--accent-2))}
.btn.ghost{background:transparent}
.btn.danger{color:var(--danger);border-color:rgba(255,107,129,.35)}
.btn.small{padding:5px 12px;font-size:13px}
.btn.block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed}
.row-inline{display:flex;gap:8px;align-items:center;margin-top:6px}
.row-inline input{margin-top:0}
.captcha-img{width:120px;height:42px;flex:0 0 120px;border-radius:8px;border:1px solid var(--line);cursor:pointer;object-fit:cover;background:#eef3fb}
.captcha-img:hover{border-color:var(--accent)}

/* boot */
.boot{position:fixed;inset:0;display:grid;place-items:center;gap:14px;background:var(--bg);z-index:99;align-content:center}
.boot-logo,.brand,.auth-brand{font-weight:800;letter-spacing:.4px}
.boot-logo span,.brand span,.auth-brand span{color:var(--accent)}
.spinner{width:26px;height:26px;border-radius:50%;border:3px solid #26313f;border-top-color:var(--accent);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* auth */
.auth{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr}
.auth-aside{padding:64px 56px;display:flex;flex-direction:column;justify-content:center;gap:18px;
  background:linear-gradient(160deg,rgba(124,156,255,.10),rgba(94,231,196,.04) 60%,transparent);border-right:1px solid var(--line)}
.auth-brand{font-size:26px}
.auth-aside h1{font-size:38px;line-height:1.25;letter-spacing:-.5px}
.auth-points{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:10px;color:var(--muted)}
.auth-points li::before{content:"◆";color:var(--accent-2);margin-right:10px;font-size:11px}
.auth-panel{display:flex;flex-direction:column;justify-content:center;padding:48px clamp(24px,6vw,80px);gap:18px}
.auth-tabs{display:flex;gap:8px;background:var(--panel);padding:5px;border-radius:999px;border:1px solid var(--line);width:max-content}
.auth-tabs button{background:transparent;border:none;color:var(--muted);padding:8px 20px;border-radius:999px;font-weight:600}
.auth-tabs button.active{background:var(--panel-2);color:var(--text);box-shadow:var(--shadow)}
.auth-form h2{font-size:24px}
.auth-form .btn.block{margin-top:6px;padding:12px}
.auth-links{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-top:12px}
.hint{font-size:12px;color:var(--muted);margin-top:12px}

/* shell */
.app{min-height:100vh}
.topbar{
  position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:18px;
  padding:10px clamp(12px,3vw,28px);background:rgba(11,15,20,.82);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
}
.brand{font-size:20px;color:var(--text)}
.brand:hover{text-decoration:none}
.search{flex:1;max-width:520px;margin:0 auto}
.search input{border-radius:999px;background:#0e141d;padding:9px 16px;font-size:14px}
.topbar-actions{display:flex;align-items:center;gap:6px;margin-left:auto}
.icon-btn{position:relative;display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;
  background:transparent;border:1px solid transparent;color:var(--text);font-size:16px}
.icon-btn:hover{background:var(--panel-2);border-color:var(--line);text-decoration:none}
.icon-btn .dot{position:absolute;top:7px;right:7px;width:8px;height:8px;border-radius:50%;background:var(--danger);box-shadow:0 0 0 2px var(--bg)}
.mini-me{display:flex;align-items:center;gap:8px;color:var(--text);font-size:13px;padding-left:8px;border-left:1px solid var(--line)}
.mini-me img{width:32px;height:32px;border-radius:50%;object-fit:cover;background:#1d2733}
.mini-me:hover{text-decoration:none}

.layout{display:grid;grid-template-columns:250px minmax(0,1fr) 320px;gap:22px;max-width:1380px;margin:0 auto;padding:22px clamp(12px,3vw,28px) 80px}
.sidebar{position:sticky;top:76px;align-self:start;max-height:calc(100vh - 96px);overflow:auto}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:#243040;border-radius:3px}
.nav{display:flex;flex-direction:column;gap:2px;margin-bottom:16px}
.nav a{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:12px;color:var(--text);font-weight:600;position:relative}
.nav a i{font-style:normal;font-size:16px;width:22px;text-align:center;opacity:.9}
.nav a:hover{background:var(--panel-2);text-decoration:none}
.nav a.active{background:linear-gradient(90deg,rgba(124,156,255,.16),transparent);color:#cfe0ff}
.nav .pill{margin-left:auto;background:var(--accent);color:#0b1017;font-size:11px;padding:1px 7px;border-radius:999px}
.me-card{margin-top:16px;padding:14px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);font-size:13px}
.me-card .bar{height:6px;background:#1d2733;border-radius:99px;overflow:hidden;margin:8px 0}
.me-card .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:99px}

.main{min-width:0}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:16px}
.card h4{font-size:14px;color:var(--muted);letter-spacing:.3px;text-transform:none;margin-bottom:12px}
.muted-card{background:linear-gradient(150deg,rgba(124,156,255,.08),rgba(94,231,196,.04));color:var(--muted);font-size:13px}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.stats-grid div{background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:10px}
.stats-grid b{display:block;font-size:18px}
.stats-grid span{font-size:12px;color:var(--muted)}
.trend-list{display:flex;flex-direction:column;gap:8px}
.trend-list a{display:flex;justify-content:space-between;gap:10px;color:var(--text);font-size:14px;padding:6px 0;border-bottom:1px dashed rgba(34,44,57,.7)}
.trend-list a:last-child{border-bottom:none}
.trend-list .count{color:var(--muted);font-size:12px}
.trend-list .heat{width:44px;text-align:right;color:var(--accent-2);font-size:12px}

/* page header + tabs */
.page-head{position:sticky;top:57px;z-index:20;display:flex;align-items:center;gap:12px;padding:14px 18px;margin-bottom:0;
  background:rgba(18,24,33,.86);backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:var(--radius) var(--radius) 0 0}
.page-head h2{font-size:18px;margin:0}
.page-head .sub{font-size:12px;color:var(--muted)}
.page-head .spacer{flex:1}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px}
.tabs button{background:transparent;border:none;color:var(--muted);padding:12px 16px;font-weight:600;border-bottom:2px solid transparent}
.tabs button.active{color:var(--text);border-bottom-color:var(--accent)}
.tabs a{padding:12px 16px;color:var(--muted);font-weight:600}

/* composer */
.composer{display:flex;gap:12px;padding:16px}
.composer textarea{min-height:84px;border:none;background:transparent;padding:6px 0;font-size:17px;resize:vertical}
.composer textarea:focus{box-shadow:none}
.composer .foot{display:flex;align-items:center;gap:10px;margin-top:8px;flex-wrap:wrap}
.thumb-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.thumb{position:relative;width:84px;height:84px;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#0e141d}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb button{position:absolute;top:3px;right:3px;width:20px;height:20px;border-radius:50%;border:none;background:rgba(0,0,0,.65);color:#fff;font-size:11px;line-height:1}
.uploading{font-size:12px;color:var(--muted)}

/* post */
.post{display:flex;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line);position:relative}
.post:last-child{border-bottom:none}
.post:hover{background:rgba(255,255,255,.012)}
.post .body{flex:1;min-width:0}
.post .head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px}
.post .head .name{font-weight:700;color:var(--text)}
.post .head .handle,.post .head .time{color:var(--muted);font-size:13px}
.post .content{margin:6px 0;white-space:pre-wrap;word-break:break-word;font-size:15px}
.post .content a.tag{color:var(--accent);font-weight:600}
.post .img-grid{display:grid;gap:6px;margin:8px 0;border-radius:14px;overflow:hidden}
.post .img-grid.n1{grid-template-columns:1fr;max-height:520px}
.post .img-grid.n2{grid-template-columns:1fr 1fr}
.post .img-grid.n3,.post .img-grid.n4{grid-template-columns:1fr 1fr}
.post .img-grid img{width:100%;height:100%;max-height:420px;object-fit:cover;background:#0e141d;display:block}
.post .img-grid.n1 img{max-height:520px;object-fit:contain;background:#080c11}
.post .actions{display:flex;gap:18px;margin-top:6px;color:var(--muted);font-size:13px}
.post .actions button{display:inline-flex;align-items:center;gap:6px;background:none;border:none;color:inherit;padding:4px 2px;border-radius:8px}
.post .actions button:hover{color:var(--accent)}
.post .actions button.liked{color:#ff6b81}
.post .quoted{border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin-top:8px;background:var(--panel-2)}
.post .quoted .content{font-size:14px;margin:4px 0}
.post .more{color:var(--muted);background:none;border:none;font-size:16px}
.avatar{width:44px;height:44px;border-radius:50%;object-fit:cover;background:linear-gradient(135deg,#243146,#1a2230);flex:none;display:grid;place-items:center;font-weight:700;color:#cfe0ff;text-transform:uppercase}
.avatar.sm{width:34px;height:34px;font-size:13px}
.avatar.lg{width:84px;height:84px;font-size:28px;border:3px solid var(--panel)}
.avatar.xs{width:26px;height:26px;font-size:11px}

/* level + tags */
.lv{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:700;padding:1px 8px;border-radius:999px;
  background:rgba(124,156,255,.14);color:#b9c9ff;border:1px solid rgba(124,156,255,.25)}
.tag-badge{display:inline-flex;align-items:center;font-size:11px;font-weight:700;padding:1px 8px;border-radius:999px;border:1px solid transparent}
.tag-badge.outline{background:transparent}
.tag-badge.glow{box-shadow:0 0 12px rgba(124,156,255,.18)}

/* profile */
.profile-hero{padding:18px}
.profile-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.profile-hero h2{font-size:22px;margin:10px 0 2px}
.profile-meta{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin:8px 0}
.profile-stats{display:flex;gap:18px;margin:10px 0 0;font-size:14px;color:var(--muted);flex-wrap:wrap}
.profile-stats b{color:var(--text)}
.progress{height:8px;background:#1d2733;border-radius:99px;overflow:hidden;margin-top:12px}
.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2))}

/* generic lists/cards */
.list-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line)}
.list-item:last-child{border-bottom:none}
.list-item .grow{flex:1;min-width:0}
.list-item .name{font-weight:700}
.list-item .sub{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.empty{padding:40px 20px;text-align:center;color:var(--muted)}
.empty .big{font-size:34px;margin-bottom:8px;opacity:.6}

/* forms inside */
.form-grid{display:grid;gap:12px}
.form-grid.two{grid-template-columns:1fr 1fr}
.switch-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}

/* modal */
.modal-mask{position:fixed;inset:0;background:rgba(3,6,10,.72);backdrop-filter:blur(4px);z-index:60;display:grid;place-items:center;padding:20px}
.modal{width:min(560px,100%);max-height:86vh;overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:20px}
.modal h3{font-size:18px}
.modal .foot{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}
.modal-lg{width:min(760px,100%)}

/* toast */
.toast-wrap{position:fixed;right:18px;bottom:18px;z-index:80;display:flex;flex-direction:column;gap:8px}
.toast{background:#1a2330;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:10px;padding:10px 14px;font-size:14px;box-shadow:var(--shadow);animation:slideIn .2s ease}
.toast.err{border-left-color:var(--danger)}
.toast.ok{border-left-color:var(--accent-2)}
@keyframes slideIn{from{transform:translateY(8px);opacity:0}to{transform:none;opacity:1}}

/* messages */
.msg-layout{display:grid;grid-template-columns:290px 1fr;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel);min-height:62vh}
.conv-list{border-right:1px solid var(--line);max-height:70vh;overflow:auto}
.conv{padding:12px 14px;display:flex;gap:10px;align-items:center;cursor:pointer;border-bottom:1px solid var(--line)}
.conv:hover,.conv.active{background:var(--panel-2)}
.conv .grow{flex:1;min-width:0}
.conv .name{font-weight:700;font-size:14px}
.conv .last{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat{display:flex;flex-direction:column;max-height:70vh}
.chat-head{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line)}
.chat-body{flex:1;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:#0e141d}
.msg{max-width:76%;padding:9px 13px;border-radius:14px;background:var(--panel-2);border:1px solid var(--line);font-size:14px;word-break:break-word}
.msg.mine{align-self:flex-end;background:linear-gradient(135deg,rgba(124,156,255,.28),rgba(94,231,196,.18));border-color:rgba(124,156,255,.35)}
.msg img{max-width:240px;border-radius:10px;display:block;margin-top:4px}
.msg .t{display:block;font-size:11px;color:var(--muted);margin-top:4px}
.chat-input{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line);align-items:flex-end}
.chat-input textarea{min-height:44px;max-height:120px}

/* teams */
.team-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.team-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.team-card h3{font-size:16px}
.quota{height:8px;background:#1d2733;border-radius:99px;overflow:hidden;margin:10px 0 6px}
.quota i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.quota.warn i{background:linear-gradient(90deg,var(--warn),var(--danger))}
.file-row{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px dashed rgba(34,44,57,.8);font-size:14px}
.file-row .grow{flex:1;min-width:0}
.file-row .nm{font-weight:600;word-break:break-all}
.file-row .sub{font-size:12px;color:var(--muted)}

/* ads */
.ad-card{background:linear-gradient(160deg,var(--panel),#131b26);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:14px}
.ad-card img{width:100%;max-height:280px;object-fit:cover;display:block}
.ad-card .pad{padding:16px}
.ad-card .badge{font-size:11px;padding:2px 8px;border-radius:999px;background:rgba(94,231,196,.14);color:var(--accent-2);font-weight:700}
.status-pending{color:var(--warn)} .status-approved{color:var(--accent-2)} .status-rejected{color:var(--danger)}

/* admin */
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
table.tbl th,table.tbl td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.tbl th{color:var(--muted);font-weight:600;font-size:12px;text-transform:none}
.swatch{width:14px;height:14px;border-radius:4px;display:inline-block;vertical-align:-2px;margin-right:6px}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{font-size:12px;padding:3px 9px;border-radius:999px;border:1px solid var(--line);background:var(--panel-2);color:var(--text)}

/* mobile nav */
.mobile-nav{display:none}
@media (max-width:1180px){
  .layout{grid-template-columns:210px minmax(0,1fr)}
  .sidebar.right{display:none}
}
@media (max-width:820px){
  .auth{grid-template-columns:1fr}
  .auth-aside{padding:28px 22px;border-right:none;border-bottom:1px solid var(--line)}
  .auth-aside h1{font-size:26px}
  .auth-points{display:none}
  .auth-panel{padding:24px 20px 48px}
  .layout{grid-template-columns:1fr;padding:12px 12px 84px}
  .sidebar.left{display:none}
  .topbar{gap:10px;padding:8px 12px}
  .brand{font-size:17px}
  .mini-me span{display:none}
  .mobile-nav{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:40;justify-content:space-around;
    padding:8px 6px calc(8px + env(safe-area-inset-bottom));background:rgba(11,15,20,.94);border-top:1px solid var(--line);backdrop-filter:blur(12px)}
  .mobile-nav a{font-size:19px;padding:6px 12px;color:var(--text);text-decoration:none}
  .msg-layout{grid-template-columns:1fr}
  .conv-list{max-height:38vh;border-right:none;border-bottom:1px solid var(--line)}
  .page-head{top:53px}
  .form-grid.two{grid-template-columns:1fr}
  .post{padding:14px 12px}
  .composer{padding:12px}
}

/* ---------- 2026.10.19-3 交互增强 ---------- */
.post .actions{flex-wrap:wrap}
.post .actions button.bookmarked{color:var(--accent-2)}
.post .img-grid{position:relative}
.post .img-grid.n3,.post .img-grid.n4,.post .img-grid.n5,.post .img-grid.n6,.post .img-grid.n7,.post .img-grid.n8,.post .img-grid.n9{grid-template-columns:repeat(3,1fr)}
.post .img-grid.n3 img,.post .img-grid.n4 img,.post .img-grid.n5 img,.post .img-grid.n6 img,
.post .img-grid.n7 img,.post .img-grid.n8 img,.post .img-grid.n9 img{aspect-ratio:1;max-height:none}
.feed-img{cursor:zoom-in}
.heart-burst{position:absolute;inset:0;display:grid;place-items:center;font-size:64px;pointer-events:none;animation:heartPop .72s ease-out forwards;text-shadow:0 6px 20px rgba(0,0,0,.55)}
@keyframes heartPop{0%{transform:scale(.3);opacity:0}30%{transform:scale(1.15);opacity:1}72%{transform:scale(1);opacity:1}100%{transform:scale(1.45);opacity:0}}
.new-feed{display:block;width:100%;border:none;border-bottom:1px solid var(--line);background:rgba(124,156,255,.12);color:var(--accent);padding:9px;font-size:13px;font-weight:700;cursor:pointer}
.new-feed:hover{background:rgba(124,156,255,.18)}
.feed-sentinel{display:grid;place-items:center;padding:18px}
.feed-sentinel .spinner{width:20px;height:20px;border-width:2px}
.pull-ind{height:0;overflow:hidden;text-align:center;font-size:12px;color:var(--muted);line-height:32px;transition:height .15s ease}
.suggest{margin-top:6px;border:1px solid var(--line);border-radius:12px;background:var(--panel-2);overflow:hidden;max-height:224px;overflow-y:auto}
.suggest-item{display:flex;align-items:center;gap:10px;width:100%;padding:9px 12px;background:transparent;border:none;border-bottom:1px solid rgba(34,44,57,.6);color:var(--text);text-align:left;cursor:pointer}
.suggest-item:last-child{border-bottom:none}
.suggest-item:hover,.suggest-item.active{background:rgba(124,156,255,.1)}
.suggest-ico{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:rgba(124,156,255,.16);color:var(--accent);font-weight:700;font-size:12px;flex:none}
.suggest-main{display:flex;align-items:baseline;gap:8px;min-width:0}
.suggest-main b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.thumb{cursor:grab}
.thumb.dragging{opacity:.45}
.thumb.drop-target{outline:2px solid var(--accent);outline-offset:2px}
.thumb-n{position:absolute;left:4px;bottom:4px;min-width:18px;height:18px;border-radius:9px;background:rgba(0,0,0,.65);color:#fff;font-size:11px;display:grid;place-items:center;padding:0 4px}
.thumb button{z-index:1}
.post .quoted{cursor:pointer}
.post .quoted:hover{border-color:#33415a}
.quoted-head{display:flex;gap:6px;align-items:center;flex-wrap:wrap;font-size:13px}
.quoted-head .name{font-weight:700;color:var(--text)}
.quoted .img-grid{margin-top:6px}
.quoted .img-grid img{max-height:220px}
.img-lightbox img{max-width:100%;max-height:76vh;display:block;margin:0 auto;border-radius:12px}
.back-top{position:fixed;right:22px;bottom:26px;z-index:45;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:rgba(26,35,48,.92);color:var(--text);font-size:18px;box-shadow:var(--shadow);backdrop-filter:blur(8px);cursor:pointer}
.back-top:hover{border-color:var(--accent);color:var(--accent)}
.chip.role-owner{color:#ffd479;border-color:rgba(255,212,121,.45);background:rgba(255,212,121,.12)}
.chip.role-admin{color:#ff9b9b;border-color:rgba(255,155,155,.4);background:rgba(255,155,155,.1)}
.chip.role-mod{color:#8fd6b4;border-color:rgba(143,214,180,.4);background:rgba(143,214,180,.1)}
.audit-flag{margin:8px 0 4px;padding:7px 10px;border-radius:8px;font-size:12px}
.audit-flag.pending{color:#ffd479;background:rgba(255,212,121,.1);border:1px solid rgba(255,212,121,.3)}
.audit-flag.rejected{color:#ff9b9b;background:rgba(255,155,155,.1);border:1px solid rgba(255,155,155,.3)}
.audit-item{padding:14px 0;border-bottom:1px solid var(--line)}
.audit-item:last-child{border-bottom:none}
.share-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.share-poster{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--panel-2)}
.share-poster img{width:100%;max-height:260px;object-fit:cover;display:block}
.share-poster-body{padding:14px}
.share-poster-body b{display:block;margin-bottom:6px}
.share-poster-body p{margin:0 0 10px;white-space:pre-wrap;font-size:13px;color:var(--text)}
.share-qr{text-align:center}
.share-qr img{width:180px;height:180px;border-radius:12px;background:#fff;padding:6px}
.share-btns{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.dm-archive-note{text-align:center;color:var(--muted);font-size:12px;padding:10px}
@media (max-width:820px){
  .back-top{bottom:86px;right:14px;width:40px;height:40px}
  .post .actions{gap:10px 14px}
  .share-grid{grid-template-columns:1fr}
  .share-qr img{width:150px;height:150px}
}