/* ══════════════════════════════════════════════════════════
   forum.css — 动态广场
   原来样式是 forum.js 运行时注入的，这里拆成正式文件
   ══════════════════════════════════════════════════════════ */

#forum-root{position:fixed;inset:0;z-index:9970;display:none;flex-direction:column;color:var(--tk-ink,#eef2ff);
  font-family:var(--font-body,system-ui);
  background:radial-gradient(120% 90% at 50% -10%,#1a1430 0%,#100c20 55%,#07050e 100%)}
#forum-root.show{display:flex;animation:gmFadeIn .28s ease}
.fo-col{width:100%;max-width:640px;margin:0 auto}

/* ── 顶栏 ── */
.fo-top{display:flex;align-items:center;gap:10px;flex-shrink:0;padding:max(10px,env(safe-area-inset-top)) 16px 10px;
  border-bottom:1px solid var(--tk-line,rgba(255,255,255,.08));
  background:rgba(12,9,24,.72);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.fo-top-in{display:flex;align-items:center;gap:10px;width:100%;max-width:640px;margin:0 auto}
.fo-top h3{margin:0;display:flex;align-items:center;gap:8px;font-size:1.02rem;font-weight:800;letter-spacing:1px}
.fo-top h3 svg.ico{width:19px;height:19px;color:var(--tk-petal,#f7a8c8)}
.fo-top .sp{flex:1}
.fo-ico{width:34px;height:34px;border-radius:11px;border:0;cursor:pointer;display:grid;place-items:center;flex:none;
  background:var(--tk-bg-2,rgba(255,255,255,.05));box-shadow:inset 0 0 0 1px var(--tk-line,rgba(255,255,255,.09));
  color:var(--tk-ink-2,rgba(238,242,255,.7));transition:background .15s,color .15s,transform .12s}
.fo-ico svg.ico{width:16px;height:16px}
.fo-ico:hover{background:var(--tk-bg-3,rgba(255,255,255,.1));color:var(--tk-ink,#fff)}
.fo-ico:active{transform:scale(.92)}
.fo-ico.spin svg{animation:foSpin .6s linear}
@keyframes foSpin{to{transform:rotate(360deg)}}

/* ── 分栏 tab ── */
.fo-tabs{display:flex;flex-shrink:0;border-bottom:1px solid var(--tk-line,rgba(255,255,255,.08));
  background:rgba(12,9,24,.6);backdrop-filter:blur(12px)}
.fo-tabs-in{display:flex;width:100%;max-width:640px;margin:0 auto}
.fo-tab{flex:1;position:relative;display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:13px 0;border:0;background:none;cursor:pointer;font:inherit;font-size:.88rem;font-weight:700;
  color:var(--tk-ink-3,rgba(233,228,255,.45));transition:color .15s,background .15s}
.fo-tab svg.ico{width:15px;height:15px}
.fo-tab:hover{background:rgba(255,255,255,.03);color:var(--tk-ink-2,rgba(233,228,255,.75))}
.fo-tab.on{color:var(--tk-ink,#fff)}
.fo-tab.on::after{content:'';position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:34px;height:3px;
  border-radius:3px 3px 0 0;background:linear-gradient(90deg,#f7a8c8,#a98bff)}
.fo-tabbadge{min-width:16px;height:16px;padding:0 4px;border-radius:9px;background:#f43f5e;color:#fff;
  font-size:.6rem;font-weight:800;display:inline-flex;align-items:center;justify-content:center}

/* ── 列表区 ── */
.fo-body{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;scrollbar-width:thin}
.fo-newpill{position:sticky;top:10px;z-index:5;margin:10px auto 0;width:max-content;display:none;
  padding:8px 18px;border-radius:20px;border:0;cursor:pointer;font:inherit;font-size:.8rem;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#a98bff,#7c3aed);box-shadow:0 12px 30px -12px rgba(124,58,237,.95)}
.fo-newpill.show{display:block;animation:foDrop .3s ease}
@keyframes foDrop{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}

/* ── 发帖框 ── */
.fo-compose{display:flex;gap:12px;padding:16px;border-bottom:8px solid rgba(255,255,255,.028)}
.fo-compose .fo-av{width:44px;height:44px}
.fo-cwrap{flex:1;min-width:0}
.fo-cinput{width:100%;box-sizing:border-box;min-height:54px;max-height:200px;resize:none;border:0;outline:none;background:transparent;
  color:var(--tk-ink,#eef2ff);font-size:1.02rem;line-height:1.55;font-family:inherit;padding:8px 0}
.fo-cinput::placeholder{color:var(--tk-ink-3,rgba(233,228,255,.35))}
.fo-cthumbs{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.fo-cthumb{position:relative;width:78px;height:78px;border-radius:12px;overflow:hidden;box-shadow:0 0 0 1px var(--tk-line,rgba(255,255,255,.1))}
.fo-cthumb img{width:100%;height:100%;object-fit:cover}
.fo-cthumb .x{position:absolute;top:3px;right:3px;width:20px;height:20px;border-radius:50%;border:0;cursor:pointer;
  display:grid;place-items:center;background:rgba(6,4,14,.72);color:#fff}
.fo-cthumb .x svg.ico{width:11px;height:11px}
.fo-crow{display:flex;align-items:center;gap:10px;margin-top:10px;padding-top:10px;border-top:1px solid var(--tk-line,rgba(255,255,255,.07))}
.fo-cimgbtn{width:34px;height:34px;border-radius:11px;border:0;cursor:pointer;display:grid;place-items:center;
  background:rgba(169,139,255,.14);color:#c4b5fd;transition:background .15s,transform .12s}
.fo-cimgbtn svg.ico{width:17px;height:17px}
.fo-cimgbtn:hover{background:rgba(169,139,255,.24)}
.fo-cimgbtn:active{transform:scale(.92)}
.fo-cring{margin-left:auto;display:grid;place-items:center;width:26px;height:26px}
.fo-cring svg{transform:rotate(-90deg)}
.fo-cring .bg{fill:none;stroke:var(--tk-bg-4,rgba(255,255,255,.12));stroke-width:2.5}
.fo-cring .fg{fill:none;stroke:#a98bff;stroke-width:2.5;stroke-linecap:round;stroke-dasharray:63;transition:stroke-dashoffset .2s,stroke .2s}
.fo-cring[data-warn="1"] .fg{stroke:#fbbf24}
.fo-cring[data-warn="2"] .fg{stroke:#fb7185}
.fo-cring em{position:absolute;font-style:normal;font-size:.62rem;font-weight:700;color:var(--tk-ink-3)}
.fo-send{height:36px;padding:0 20px;border-radius:20px;border:0;cursor:pointer;font:inherit;font-size:.86rem;font-weight:800;
  color:#fff;background:linear-gradient(135deg,#f28cb5,#a98bff);box-shadow:0 10px 24px -12px rgba(169,139,255,.95);
  transition:filter .15s,transform .12s,opacity .2s}
.fo-send:hover:not(:disabled){filter:brightness(1.08)}
.fo-send:active:not(:disabled){transform:scale(.96)}
.fo-send:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}

/* ── 帖子卡 ── */
.fo-post{display:flex;gap:12px;padding:15px 16px;border-bottom:1px solid var(--tk-line,rgba(255,255,255,.06));
  cursor:pointer;transition:background .15s}
.fo-post:hover{background:rgba(255,255,255,.025)}
.fo-av{position:relative;width:46px;height:46px;border-radius:50%;flex-shrink:0;overflow:hidden;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.1rem;color:#fff;
  background:radial-gradient(circle at 35% 30%,#8b5cf6,#3b2a6e);box-shadow:0 0 0 1px rgba(255,255,255,.08)}
.fo-av img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.fo-main{flex:1;min-width:0}
.fo-head{display:flex;align-items:center;gap:6px;font-size:.88rem;min-width:0}
.fo-name{font-weight:800;color:var(--tk-ink,#fff);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:46%;cursor:pointer}
.fo-name:hover{text-decoration:underline}
.fo-super{display:inline-grid;place-items:center;width:15px;height:15px;color:#fcd34d}
.fo-super svg.ico{width:13px;height:13px}
.fo-badge{display:inline-flex;align-items:center;font-size:.72rem}
.fo-time{color:var(--tk-ink-3,rgba(233,228,255,.4));font-size:.78rem;white-space:nowrap}
.fo-time::before{content:'·';margin-right:5px}
.fo-del{margin-left:auto;width:28px;height:28px;border-radius:9px;border:0;background:none;cursor:pointer;
  display:grid;place-items:center;color:var(--tk-ink-3,rgba(233,228,255,.3));transition:background .15s,color .15s}
.fo-del svg.ico{width:14px;height:14px}
.fo-del:hover{background:rgba(251,113,133,.14);color:#fb7185}
.fo-text{font-size:.97rem;line-height:1.6;color:var(--tk-ink,#e9e6f5);margin:4px 0 0;word-break:break-word;white-space:pre-wrap}
.fo-at{color:#8ab4ff;font-weight:600}
.fo-link{color:#7dd3fc;text-decoration:none}
.fo-link:hover{text-decoration:underline}
.fo-imgs{display:grid;gap:3px;margin-top:10px;border-radius:16px;overflow:hidden;box-shadow:0 0 0 1px var(--tk-line,rgba(255,255,255,.08))}
.fo-imgs.n1{grid-template-columns:1fr}
.fo-imgs.n2,.fo-imgs.n4{grid-template-columns:1fr 1fr}
.fo-imgs.n3{grid-template-columns:1fr 1fr 1fr}
.fo-imgs img{width:100%;height:100%;max-height:300px;object-fit:cover;background:rgba(255,255,255,.04);cursor:zoom-in;display:block}
.fo-imgs.n1 img{max-height:440px;object-fit:contain}

/* 转发的原帖 */
.fo-repost-tag{display:flex;align-items:center;gap:5px;font-size:.76rem;color:var(--tk-ink-3,rgba(233,228,255,.45));margin-bottom:6px}
.fo-repost-tag svg.ico{width:14px;height:14px;color:var(--tk-mint,#5de0a6)}
.fo-quote{margin-top:10px;border-radius:14px;padding:11px 13px;cursor:pointer;
  background:rgba(255,255,255,.03);box-shadow:inset 0 0 0 1px var(--tk-line,rgba(255,255,255,.1));transition:background .15s}
.fo-quote:hover{background:rgba(255,255,255,.055)}
.fo-quote .fo-qhead{display:flex;align-items:center;gap:6px;font-size:.8rem;margin-bottom:4px}
.fo-qname{font-weight:700;color:var(--tk-ink-2,#e9e6f5)}
.fo-qdel{font-size:.82rem;color:var(--tk-ink-3,rgba(233,228,255,.4));font-style:italic}
.fo-quote .fo-text{font-size:.9rem}
.fo-quote .fo-imgs{margin-top:8px}
.fo-quote .fo-imgs img{max-height:200px}

/* 操作栏 */
.fo-acts{display:flex;gap:2px;margin-top:10px;max-width:360px}
.fo-act{flex:1;display:inline-flex;align-items:center;gap:6px;background:none;border:0;cursor:pointer;font:inherit;font-size:.82rem;
  color:var(--tk-ink-2,rgba(233,228,255,.68));padding:6px 8px;border-radius:10px;transition:color .15s,background .15s}
.fo-act .i{display:inline-grid;place-items:center;width:18px;height:18px;transition:transform .15s}
.fo-act .i svg.ico{width:17px;height:17px}
.fo-act .n{font-variant-numeric:tabular-nums}
.fo-act:hover{background:rgba(255,255,255,.06);color:var(--tk-ink-2,rgba(233,228,255,.8))}
.fo-act[data-reply]:hover{color:#7dd3fc;background:rgba(125,211,252,.1)}
.fo-act[data-repost]:hover{color:#5de0a6;background:rgba(93,224,166,.1)}
.fo-act[data-react]:hover{color:#fb7185;background:rgba(251,113,133,.1)}
.fo-act.reposted{color:#5de0a6}
.fo-act.reacted{color:#fb7185}
.fo-act.reacted .i,.fo-act.reposted .i{transform:scale(1.14)}
.fo-act .emo{font-size:1rem;line-height:1}

/* 表情反应选择器 */
.fo-rpicker{position:fixed;z-index:99992;display:flex;gap:2px;padding:6px 8px;border-radius:26px;
  background:var(--tk-solid,rgba(20,16,40,.98));box-shadow:0 18px 48px -16px rgba(0,0,0,.85),inset 0 0 0 1px var(--tk-line-2,rgba(196,181,253,.3));
  animation:foPop .18s var(--tk-bounce,cubic-bezier(.34,1.56,.64,1))}
@keyframes foPop{from{opacity:0;transform:scale(.7)}to{opacity:1;transform:none}}
.fo-rpicker button{width:38px;height:38px;border:0;background:none;font-size:1.35rem;cursor:pointer;border-radius:50%;
  transition:transform .12s,background .12s}
.fo-rpicker button:hover{transform:scale(1.3);background:rgba(255,255,255,.1)}

/* 详情页 */
.fo-sub-top{display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:6;
  padding:12px max(16px,calc(50% - 320px));
  border-bottom:1px solid var(--tk-line,rgba(255,255,255,.08));
  background:rgba(12,9,24,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.fo-sub-top .t{font-size:.98rem;font-weight:800}
.fo-thread-main .fo-text{font-size:1.06rem;line-height:1.65}
.fo-rbar{display:flex;gap:8px;flex-wrap:wrap;padding:10px 16px;border-bottom:1px solid var(--tk-line,rgba(255,255,255,.06))}
.fo-rbar .chip{display:inline-flex;align-items:center;gap:5px;padding:5px 11px;border-radius:16px;font-size:.8rem;
  background:var(--tk-bg-2,rgba(255,255,255,.06));color:var(--tk-ink-2,#e9e6f5);font-variant-numeric:tabular-nums}
.fo-reply-box{display:flex;gap:12px;padding:14px 16px;border-bottom:8px solid rgba(255,255,255,.028)}
.fo-sec-label{display:flex;align-items:center;gap:6px;padding:12px 16px 6px;font-size:.8rem;
  color:var(--tk-ink-3,rgba(233,228,255,.45));font-weight:700}
.fo-sec-label svg.ico{width:14px;height:14px}

/* 用户页 */
.fo-uhead{position:relative;padding:0 0 14px}
.fo-ubanner{height:92px;background:linear-gradient(120deg,var(--b1,#e0578c),var(--b2,#a98bff) 55%,var(--b3,#3d6fd9))}
.fo-uinfo{display:flex;align-items:flex-end;gap:14px;padding:0 16px;margin-top:-30px}
.fo-uinfo .fo-av{width:76px;height:76px;font-size:1.8rem;box-shadow:0 0 0 3px var(--tk-solid,#12101f)}
.fo-uname{font-size:1.1rem;font-weight:800}
.fo-umeta{font-size:.78rem;color:var(--tk-ink-3,rgba(233,228,255,.5));margin-top:3px}
.fo-follow{height:34px;padding:0 16px;border-radius:17px;border:0;cursor:pointer;font:inherit;font-size:.8rem;font-weight:800;
  display:inline-flex;align-items:center;gap:6px;color:#fff;background:linear-gradient(135deg,#f28cb5,#a98bff);
  box-shadow:0 10px 22px -12px rgba(169,139,255,.9);transition:filter .15s,transform .12s}
.fo-follow svg.ico{width:14px;height:14px}
.fo-follow:hover{filter:brightness(1.08)}
.fo-follow:active{transform:scale(.96)}
.fo-follow.on{background:var(--tk-bg-3,rgba(255,255,255,.08));color:var(--tk-ink-2,rgba(233,228,255,.7));
  box-shadow:inset 0 0 0 1px var(--tk-line,rgba(255,255,255,.14))}

/* 通知 */
.fo-notif{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;cursor:pointer;
  border-bottom:1px solid var(--tk-line,rgba(255,255,255,.06));transition:background .15s}
.fo-notif:hover{background:rgba(255,255,255,.025)}
.fo-notif.unseen{background:rgba(169,139,255,.07)}
.fo-nico{width:34px;height:34px;border-radius:12px;display:grid;place-items:center;flex:none;
  background:var(--nb,rgba(255,255,255,.08));color:var(--nc,#fff)}
.fo-nico svg.ico{width:17px;height:17px}
.fo-notif[data-type="like"]{--nb:rgba(251,113,133,.14);--nc:#fb7185}
.fo-notif[data-type="reply"]{--nb:rgba(125,211,252,.14);--nc:#7dd3fc}
.fo-notif[data-type="repost"]{--nb:rgba(93,224,166,.14);--nc:#5de0a6}
.fo-notif[data-type="mention"]{--nb:rgba(169,139,255,.16);--nc:#c4b5fd}
.fo-notif[data-type="follow"]{--nb:rgba(245,197,99,.14);--nc:#f5c563}
.fo-ntext{font-size:.88rem;color:var(--tk-ink-2,#e9e6f5);line-height:1.5}
.fo-ntext b{color:var(--tk-ink,#fff)}
.fo-npreview{color:var(--tk-ink-3,rgba(233,228,255,.5))}
.fo-ntime{font-size:.72rem;color:var(--tk-ink-3,rgba(233,228,255,.4));margin-top:3px}
.fo-ndot{width:7px;height:7px;border-radius:50%;background:#a98bff;align-self:center;margin-left:auto;flex:none}

/* 空状态 / 骨架 */
.fo-empty{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;padding:56px 24px;
  color:var(--tk-ink-3,rgba(233,228,255,.45));font-size:.9rem;line-height:1.7}
.fo-empty svg.ico{width:34px;height:34px;opacity:.35}
.fo-empty .sub{font-size:.78rem;opacity:.7}
.fo-loading{text-align:center;padding:18px;color:var(--tk-ink-3,rgba(233,228,255,.4));font-size:.82rem}
.fo-sk{display:flex;gap:12px;padding:15px 16px;border-bottom:1px solid var(--tk-line,rgba(255,255,255,.06))}
.fo-sk i{display:block;border-radius:8px;background:linear-gradient(90deg,rgba(255,255,255,.05),rgba(255,255,255,.1),rgba(255,255,255,.05));
  background-size:200% 100%;animation:foSk 1.2s linear infinite}
.fo-sk .av{width:46px;height:46px;border-radius:50%;flex:none}
.fo-sk .co{flex:1;display:flex;flex-direction:column;gap:8px}
.fo-sk .l1{height:12px;width:38%}.fo-sk .l2{height:12px;width:92%}.fo-sk .l3{height:12px;width:64%}
@keyframes foSk{to{background-position:-200% 0}}

/* 图片查看 */
#fo-imgview{position:fixed;inset:0;z-index:99991;background:rgba(4,2,10,.94);display:flex;align-items:center;justify-content:center;cursor:zoom-out;
  backdrop-filter:blur(6px)}
#fo-imgview img{max-width:94vw;max-height:92vh;object-fit:contain;border-radius:12px;box-shadow:0 30px 80px -20px rgba(0,0,0,.9)}

/* 浅色主题 */
body.theme-light #forum-root{background:radial-gradient(120% 90% at 50% -10%,#fff4fa 0%,#fdeaf3 55%,#fdf6fa 100%);color:#3b2840}
body.theme-light .fo-top,body.theme-light .fo-tabs,body.theme-light .fo-sub-top{background:rgba(255,250,253,.82);border-color:rgba(120,80,130,.14)}
body.theme-light .fo-post,body.theme-light .fo-notif{border-color:rgba(120,80,130,.12)}
body.theme-light .fo-post:hover,body.theme-light .fo-notif:hover{background:rgba(120,80,130,.04)}
body.theme-light .fo-name,body.theme-light .fo-text,body.theme-light .fo-tab.on,body.theme-light .fo-uname{color:#3b2840}
body.theme-light .fo-cinput{color:#3b2840}
body.theme-light .fo-time,body.theme-light .fo-ntime,body.theme-light .fo-umeta{color:rgba(91,51,71,.5)}
body.theme-light .fo-quote{background:rgba(120,80,130,.05)}
body.theme-light .fo-compose,body.theme-light .fo-reply-box{border-bottom-color:rgba(120,80,130,.08)}
body.theme-light .fo-rpicker{background:#fffafd}
body.theme-light .fo-notif.unseen{background:rgba(169,139,255,.1)}

@media (max-width:640px){
  .fo-compose,.fo-post,.fo-notif,.fo-reply-box{padding-left:13px;padding-right:13px}
  .fo-acts{max-width:none}
}
@media (prefers-reduced-motion:reduce){
  .fo-sk i,.fo-ico.spin svg{animation:none}
}