/* ============================================================
   青柠校园 · 匿名聊天室  campus.css v2.0
   ============================================================ */
*,::before,::after{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
:root{
  --primary:#52a86b; --primary-d:#3d8b55; --primary-l:#e8f6ec;
  --accent:#ff9f43; --danger:#ef5b5b; --info:#4a90d9;
  --bg:#eef3ef; --panel:#ffffff; --panel2:#f6f9f6;
  --ink:#26352c; --sub:#849489; --line:#e3eae4;
  --bubble-me:linear-gradient(135deg,#63c17e,#46a062);
  --bubble-other:#ffffff;
  --shadow:0 6px 24px rgba(46,90,60,.10);
  --radius:14px;
}
[data-theme="dark"]{
  --primary:#5cc47e; --primary-d:#4aad6d; --primary-l:#1f3327;
  --bg:#121714; --panel:#1b2320; --panel2:#202a25;
  --ink:#e4ede7; --sub:#8fa396; --line:#2c3731;
  --bubble-me:linear-gradient(135deg,#3d9259,#2f7d49);
  --bubble-other:#242e29;
  --shadow:0 6px 24px rgba(0,0,0,.35);
}
html,body{height:100%;margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft Yahei",sans-serif;
  background:var(--bg); color:var(--ink); font-size:15px; overflow:hidden;
}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font-family:inherit}
a{color:var(--primary-d);text-decoration:none}
[hidden]{display:none!important}
.btn-primary{background:var(--primary);color:#fff;border-radius:10px;padding:0 18px;height:38px;font-size:15px;transition:.15s;white-space:nowrap}
.btn-primary:hover{background:var(--primary-d)}
.btn-primary:disabled{opacity:.5}
.btn-primary.big{height:48px;width:100%;font-size:17px;border-radius:24px;font-weight:600;box-shadow:0 8px 20px rgba(82,168,107,.35)}
.ghost{background:var(--panel2);border:1px solid var(--line);border-radius:18px;padding:7px 14px;font-size:13px;color:var(--sub)}
.ghost:hover{border-color:var(--primary);color:var(--primary)}

/* ---------------- 进入页 ---------------- */
.entry{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,#a8e6b6 0%,#7fcf9a 45%,#b9e98c 100%);overflow:hidden;z-index:50}
[data-theme="dark"] .entry{background:linear-gradient(160deg,#1d3a28,#16241c 70%)}
.entry-bg span{position:absolute;font-size:46px;opacity:.35;animation:floaty 9s ease-in-out infinite}
.entry-bg span:nth-child(1){left:8%;top:14%;animation-delay:0s}
.entry-bg span:nth-child(2){left:84%;top:18%;font-size:60px;animation-delay:1.2s}
.entry-bg span:nth-child(3){left:14%;top:72%;font-size:54px;animation-delay:2s}
.entry-bg span:nth-child(4){left:78%;top:70%;animation-delay:.6s}
.entry-bg span:nth-child(5){left:46%;top:8%;font-size:36px;animation-delay:1.8s}
.entry-bg span:nth-child(6){left:90%;top:46%;font-size:40px;animation-delay:2.6s}
.entry-bg span:nth-child(7){left:5%;top:42%;font-size:42px;animation-delay:3s}
.entry-bg span:nth-child(8){left:50%;top:84%;font-size:48px;animation-delay:1s}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(-6deg)}50%{transform:translateY(-22px) rotate(8deg)}}
.entry-card{position:relative;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  width:min(420px,92vw);padding:34px 30px 26px;border-radius:26px;text-align:center;box-shadow:0 20px 60px rgba(30,80,45,.25)}
[data-theme="dark"] .entry-card{background:rgba(27,35,32,.94)}
.entry-logo{width:64px;height:64px;border-radius:16px;margin-bottom:6px}
.entry-card h1{margin:6px 0 4px;font-size:30px;letter-spacing:2px;
  background:linear-gradient(120deg,#3fa05f,#8bc34a);-webkit-background-clip:text;background-clip:text;color:transparent}
.slogan{color:var(--sub);font-size:13.5px;line-height:1.7;margin:0 0 18px}
.entry-avatar{width:74px;height:74px;margin:0 auto 12px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:40px;background:var(--primary-l);border:3px solid #fff;box-shadow:var(--shadow);cursor:pointer;user-select:none}
.entry-card input[type=text]{width:100%;height:46px;border:1.5px solid var(--line);border-radius:23px;padding:0 18px;font-size:15px;outline:none;background:var(--panel2);color:var(--ink);text-align:center}
.entry-card input[type=text]:focus{border-color:var(--primary)}
.entry-dice{display:flex;gap:10px;justify-content:center;margin:12px 0 18px}
.entry-tip{font-size:12px;color:var(--sub);margin:14px 0 2px}
.entry-old{margin:6px 0 0;font-size:12.5px}
.entry-admin{margin:10px 0 0;font-size:12.5px;color:var(--accent);font-weight:600}

/* ---------------- 主布局 ---------------- */
.app{display:flex;height:100%;width:100%}
.sidebar{width:248px;flex:none;background:var(--panel);border-right:1px solid var(--line);
  display:flex;flex-direction:column;transition:transform .25s;z-index:30}
.brand{display:flex;align-items:center;gap:8px;padding:18px 18px 12px;font-size:19px}
.brand-logo{font-size:24px}
.me-card{margin:4px 12px 12px;padding:12px;background:var(--panel2);border-radius:var(--radius);display:flex;align-items:center;gap:10px;border:1px solid var(--line)}
.me-avatar{width:42px;height:42px;flex:none;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:23px;background:var(--primary-l)}
.me-info{flex:1;min-width:0}
.me-name{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.me-no{font-size:12px;color:var(--sub)}
.me-reroll{font-size:17px;padding:6px;border-radius:10px}
.me-reroll:hover{background:var(--line)}
.channels{flex:1;overflow-y:auto;padding:0 8px}
.channels::-webkit-scrollbar,.messages::-webkit-scrollbar,.modal-body::-webkit-scrollbar{width:5px}
.channels::-webkit-scrollbar-thumb,.messages::-webkit-scrollbar-thumb,.modal-body::-webkit-scrollbar-thumb{background:rgba(130,150,138,.35);border-radius:4px}
.ch-item{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border-radius:11px;font-size:15px;color:var(--ink);text-align:left;margin-bottom:2px}
.ch-item .ch-i{font-size:19px}
.ch-item .ch-n{flex:1}
.ch-item .ch-c{font-size:11.5px;color:var(--sub)}
.ch-item:hover{background:var(--panel2)}
.ch-item.active{background:var(--primary-l);color:var(--primary-d);font-weight:600}
.ch-item.active .ch-c{color:var(--primary)}
.ch-item .anon-tag{font-size:10px;background:rgba(255,159,67,.18);color:var(--accent);padding:1px 6px;border-radius:8px}
.ch-item.active .anon-tag{background:rgba(255,159,67,.25)}
.side-actions{padding:8px;border-top:1px solid var(--line)}
.side-actions button{position:relative;display:flex;align-items:center;gap:10px;width:100%;padding:9px 12px;border-radius:10px;font-size:14px;color:var(--ink)}
.side-actions button:hover{background:var(--panel2)}
.side-badge{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:var(--danger);color:#fff;font-size:11px;min-width:18px;height:18px;line-height:18px;border-radius:9px;padding:0 5px;font-style:normal;text-align:center}
.sidebar-foot{padding:10px 14px 14px;font-size:11px;color:var(--sub);text-align:center;line-height:1.7}

.main{flex:1;display:flex;flex-direction:column;min-width:0;position:relative}
.chat-head{height:54px;flex:none;background:var(--panel);border-bottom:1px solid var(--line);
  display:flex;align-items:center;padding:0 14px;gap:10px}
.menu-btn{display:none;font-size:20px}
.ch-title{display:flex;align-items:baseline;gap:8px;flex:1;min-width:0}
.ch-icon{font-size:20px}
.ch-title b{font-size:17px}
.ch-online{font-size:12px;color:var(--sub);font-weight:400}
.head-right{display:flex;gap:4px}
.icon-btn{width:38px;height:38px;border-radius:10px;font-size:17px}
.icon-btn:hover{background:var(--panel2)}
.mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:25}

.announce-bar{flex:none;background:linear-gradient(90deg,#fff6e6,#fffaf0);color:#b4731a;border-bottom:1px solid #f5dfb8;
  padding:8px 14px;font-size:13px;display:flex;gap:8px;align-items:center}
[data-theme="dark"] .announce-bar{background:#33291a;color:#e0b367;border-bottom-color:#4a3a1f}
.pin-bar{flex:none;background:var(--primary-l);color:var(--primary-d);padding:7px 14px;font-size:12.5px;display:flex;gap:8px;align-items:center;border-bottom:1px solid var(--line)}
.pin-bar div{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pin-bar button{font-size:12px;color:var(--primary-d);text-decoration:underline}

/* ---------------- 消息流 ---------------- */
.messages{flex:1;overflow-y:auto;padding:16px 14px 8px;scroll-behavior:smooth}
.loading-tip,.sys-tip{text-align:center;color:var(--sub);font-size:12.5px;padding:14px}
.sys-tip span{background:var(--line);color:#fff;padding:3px 12px;border-radius:10px}
[data-theme="dark"] .sys-tip span{background:#37423b;color:#cdd8d0}
.load-more{text-align:center;padding:6px}
.load-more button{font-size:12.5px;color:var(--sub);padding:4px 12px;border:1px solid var(--line);border-radius:12px}
.date-tip{text-align:center;margin:10px 0;color:var(--sub);font-size:12px}
.date-tip:before,.date-tip:after{content:"";display:inline-block;width:42px;height:1px;background:var(--line);vertical-align:middle;margin:0 10px}

.msg-row{display:flex;gap:9px;margin-bottom:14px;animation:pop .18s ease}
@keyframes pop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.msg-row.mine{flex-direction:row-reverse}
.m-avatar{width:38px;height:38px;flex:none;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:20px;background:var(--panel2);border:1px solid var(--line);cursor:pointer;user-select:none}
.m-body{max-width:min(68%,520px);min-width:0}
.msg-row.mine .m-body{display:flex;flex-direction:column;align-items:flex-end}
.m-meta{font-size:11.5px;color:var(--sub);margin:0 4px 3px;display:flex;gap:6px;align-items:center}
.m-nick{font-weight:600;color:var(--sub);cursor:pointer;max-width:160px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.m-nick:hover{color:var(--primary)}
.anon-badge{font-size:10px;background:rgba(138,148,166,.18);color:#8a94a6;padding:0 6px;border-radius:8px}
.m-bubble{position:relative;display:inline-block;background:var(--bubble-other);padding:9px 12px;border-radius:var(--radius);
  font-size:15px;line-height:1.55;word-break:break-word;box-shadow:0 1px 3px rgba(50,80,60,.06);border:1px solid var(--line)}
.msg-row.mine .m-bubble{background:var(--bubble-me);color:#fff;border-color:transparent}
.m-bubble a{color:var(--info);text-decoration:underline;word-break:break-all}
.msg-row.mine .m-bubble a{color:#eaf7ff}
.m-bubble .hashtag{color:var(--primary-d);font-weight:600;cursor:pointer}
.msg-row.mine .m-bubble .hashtag{color:#eaffe9}
.m-bubble .mention{color:var(--accent);font-weight:600}
.msg-row.mine .m-bubble .mention{color:#ffe7c4}
.m-bubble img.msg-img{max-width:100%;max-height:340px;border-radius:9px;display:block;cursor:zoom-in;margin:2px 0}
.m-quote{display:block;font-size:12.5px;color:var(--sub);background:var(--panel2);border-left:3px solid var(--primary);
  padding:5px 9px;border-radius:6px;margin-bottom:7px;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.msg-row.mine .m-quote{background:rgba(255,255,255,.18);color:rgba(255,255,255,.85);border-left-color:rgba(255,255,255,.7)}

/* 撤回 / 隐藏提示 */
.tombstone{font-size:12.5px;color:var(--sub);background:transparent;border:1px dashed var(--line);padding:5px 12px;border-radius:10px;display:inline-block}
.report-hidden{font-size:12.5px;color:var(--sub);background:var(--panel2);padding:6px 12px;border-radius:10px}

/* 表情回应 */
.reactions{display:flex;flex-wrap:wrap;gap:5px;margin-top:5px}
.react-pill{font-size:12px;border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:2px 9px;color:var(--sub)}
.react-pill.on{background:var(--primary-l);border-color:var(--primary);color:var(--primary-d);font-weight:600}
.msg-actions{display:flex;gap:2px;margin-top:4px;opacity:0;transition:.15s}
.msg-row:hover .msg-actions{opacity:1}
.msg-act{font-size:13px;padding:3px 7px;border-radius:8px;color:var(--sub)}
.msg-act:hover{background:var(--panel2);color:var(--primary-d)}

/* 投票 */
.poll-wrap{min-width:250px}
.poll-q{font-weight:600;margin-bottom:8px;display:flex;gap:6px;align-items:center}
.poll-opt{position:relative;margin-bottom:7px;border:1px solid var(--line);border-radius:10px;padding:8px 10px;cursor:pointer;overflow:hidden;font-size:14px;z-index:1}
.poll-opt:hover{border-color:var(--primary)}
.poll-opt.voted{border-color:var(--primary);background:var(--primary-l)}
.poll-bar{position:absolute;left:0;top:0;bottom:0;background:var(--primary-l);z-index:-1;transition:width .35s}
.poll-opt .poll-n{float:right;font-size:12.5px;color:var(--sub)}
.poll-v{font-weight:600;color:var(--primary-d)}
.poll-opt.me-vote:after{content:"✓";float:right;color:var(--primary);font-weight:700;margin-left:6px}
.poll-meta{font-size:12px;color:var(--sub);margin-top:2px}
.poll-close{font-size:11.5px;color:var(--sub);text-decoration:underline;margin-left:8px}

/* ---------------- 正在输入 ---------------- */
.typing-bar{flex:none;font-size:12.5px;color:var(--sub);padding:4px 16px 2px}
.typing-bar b{color:var(--primary-d);font-weight:600}
.typing-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--sub);margin:0 1px;animation:blink 1.2s infinite}
.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,100%{opacity:.2}50%{opacity:1}}

/* ---------------- 回复预览 + 输入区 ---------------- */
.reply-preview{flex:none;display:flex;align-items:center;gap:8px;background:var(--panel2);border-top:1px solid var(--line);
  padding:7px 14px;font-size:13px;color:var(--sub)}
.reply-preview span{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.reply-preview em{font-style:normal;color:var(--ink)}
.reply-preview button{color:var(--sub);font-size:14px;padding:4px 8px}
.composer{flex:none;background:var(--panel);border-top:1px solid var(--line);padding:8px 12px calc(8px + env(safe-area-inset-bottom));display:flex;align-items:flex-end;gap:8px;position:relative}
.composer-tools{display:flex;gap:2px}
.tool-btn{width:36px;height:36px;border-radius:10px;font-size:19px}
.tool-btn:hover{background:var(--panel2)}
#input{flex:1;max-height:110px;min-height:38px;resize:none;border:1px solid var(--line);border-radius:12px;padding:9px 12px;
  font-size:15px;outline:none;background:var(--panel2);color:var(--ink);line-height:1.4;transition:border .15s}
#input:focus{border-color:var(--primary)}
.char-count{font-size:11px;color:var(--sub);align-self:flex-end;padding-bottom:4px;min-width:44px;text-align:right}
#sendBtn{height:38px}
.emoji-panel{position:absolute;right:12px;bottom:62px;width:330px;max-width:90vw;max-height:260px;overflow-y:auto;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:10px;z-index:20;
  display:grid;grid-template-columns:repeat(9,1fr);gap:2px}
.emoji-panel button{font-size:21px;padding:5px;border-radius:8px;text-align:center}
.emoji-panel button:hover{background:var(--panel2)}

/* ---------------- 弹窗 ---------------- */
.modal-mask{position:fixed;inset:0;background:rgba(20,30,24,.45);z-index:60;display:flex;align-items:center;justify-content:center;padding:16px}
.modal{background:var(--panel);width:min(480px,96vw);max-height:86vh;border-radius:18px;box-shadow:0 24px 70px rgba(0,0,0,.28);display:flex;flex-direction:column;overflow:hidden;animation:pop .2s ease}
.modal.wide{width:min(640px,96vw)}
.modal-head{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px;font-size:17px;font-weight:600}
.modal-head .spacer{flex:1}
.modal-head .x{font-size:18px;color:var(--sub);padding:4px 8px;border-radius:8px}
.modal-head .x:hover{background:var(--panel2)}
.modal-body{padding:16px 18px;overflow-y:auto;flex:1}
.modal-foot{padding:12px 18px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end;align-items:center}
.muted{color:var(--sub);font-size:12.5px}
.field{width:100%;border:1px solid var(--line);background:var(--panel2);color:var(--ink);border-radius:11px;padding:10px 12px;font-size:14.5px;outline:none}
.field:focus{border-color:var(--primary)}
textarea.field{resize:none;line-height:1.5}
.row2{display:flex;gap:8px}.row2>*{flex:1}

/* 私信 */
.pm-tabs{display:flex;border-bottom:1px solid var(--line)}
.pm-tabs button{flex:1;padding:11px;font-size:14px;color:var(--sub);border-bottom:2px solid transparent}
.pm-tabs button.on{color:var(--primary-d);border-bottom-color:var(--primary);font-weight:600}
.pm-conv{display:flex;align-items:center;gap:11px;padding:11px 6px;border-bottom:1px solid var(--line);cursor:pointer;width:100%;text-align:left}
.pm-conv:hover{background:var(--panel2)}
.pm-conv .pm-av{width:40px;height:40px;border-radius:50%;background:var(--primary-l);display:flex;align-items:center;justify-content:center;font-size:21px;flex:none}
.pm-conv .pm-main{flex:1;min-width:0}
.pm-conv .pm-n{font-size:14.5px;font-weight:600}
.pm-conv .pm-last{font-size:12.5px;color:var(--sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pm-conv .pm-time{font-size:11px;color:var(--sub)}
.pm-unread{background:var(--danger);color:#fff;border-radius:10px;min-width:19px;height:19px;line-height:19px;text-align:center;font-size:11px;padding:0 6px}
.pm-chat{height:min(52vh,440px);overflow-y:auto;padding:6px 2px;display:flex;flex-direction:column;gap:8px;background:var(--panel2);border-radius:12px;margin-bottom:10px}
.pm-msg{max-width:76%;padding:8px 12px;border-radius:13px;font-size:14.5px;line-height:1.5;margin:0 10px;word-break:break-word}
.pm-msg.other{background:var(--panel);border:1px solid var(--line);align-self:flex-start}
.pm-msg.me{background:var(--bubble-me);color:#fff;align-self:flex-end}
.pm-time2{font-size:10.5px;color:var(--sub);text-align:center;margin:2px 0}

/* 漂流瓶 */
.bottle-hero{text-align:center;padding:10px 0 16px}
.bottle-hero .big{font-size:58px;animation:floaty 5s ease-in-out infinite}
.bottle-card{background:var(--panel2);border:1px dashed var(--line);border-radius:14px;padding:16px;margin-bottom:12px}
.bottle-card .b-who{font-size:12.5px;color:var(--sub);margin-bottom:6px}
.bottle-card .b-text{font-size:15px;line-height:1.7;white-space:pre-wrap}
.b-reply{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:9px 12px;margin-top:8px;font-size:13.5px}
.bottle-list .bottle-card{cursor:pointer}

/* 在线名单 */
.online-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.online-item{display:flex;align-items:center;gap:8px;background:var(--panel2);border:1px solid var(--line);border-radius:11px;padding:8px 10px}
.online-item .dot{width:8px;height:8px;border-radius:50%;background:#4caf50;flex:none}
.online-item .dot.typ{background:var(--accent)}

/* 用户卡片 */
.usercard{text-align:center;padding:6px 0}
.usercard .uc-av{width:72px;height:72px;border-radius:50%;background:var(--primary-l);display:flex;align-items:center;justify-content:center;font-size:38px;margin:0 auto 10px}
.usercard .uc-n{font-size:18px;font-weight:700}
.usercard .uc-no{color:var(--sub);font-size:13px;margin:2px 0 14px}
.usercard .uc-btns{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}

/* 设置 */
.set-item{display:flex;align-items:center;gap:12px;padding:13px 2px;border-bottom:1px solid var(--line)}
.set-item .s-name{flex:1;font-size:14.5px}
.set-item .s-desc{font-size:12px;color:var(--sub)}
.switch{position:relative;width:46px;height:26px;flex:none}
.switch input{opacity:0;width:0;height:0}
.switch .track{position:absolute;inset:0;background:#c4cfc8;border-radius:13px;transition:.2s;cursor:pointer}
.switch .track:before{content:"";position:absolute;width:20px;height:20px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked+.track{background:var(--primary)}
.switch input:checked+.track:before{transform:translateX(20px)}
.help-box{background:var(--panel2);border-radius:12px;padding:12px 14px;font-size:13px;line-height:1.9;color:var(--ink)}
.help-box b{color:var(--primary-d)}
.blacklist-item{display:flex;align-items:center;gap:9px;padding:8px 2px;border-bottom:1px solid var(--line);font-size:14px}
.blacklist-item button{margin-left:auto;font-size:12px;color:var(--danger)}

/* 搜索结果 */
.sr-item{padding:11px 6px;border-bottom:1px solid var(--line);cursor:pointer;width:100%;text-align:left}
.sr-item:hover{background:var(--panel2)}
.sr-top{font-size:12px;color:var(--sub);margin-bottom:3px;display:flex;gap:8px}
.sr-ch{background:var(--primary-l);color:var(--primary-d);padding:0 8px;border-radius:9px}
.sr-text{font-size:14px;line-height:1.5}.sr-text mark{background:#ffe58a;color:#333;padding:0 2px;border-radius:3px}
[data-theme="dark"] .sr-text mark{background:#7a6a2f;color:#fff}

/* 管理后台 */
.adm-sec{margin-bottom:18px}
.adm-sec h4{margin:0 0 9px;font-size:14.5px;color:var(--primary-d)}
.adm-line{display:flex;align-items:center;gap:8px;padding:8px 0;border-bottom:1px dashed var(--line);font-size:13.5px;flex-wrap:wrap}
.adm-line .grow{flex:1;min-width:120px}
.tag-mini{font-size:11px;background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:1px 8px;color:var(--sub)}
.btn-sm{font-size:12px;padding:5px 11px;border-radius:8px;background:var(--panel2);border:1px solid var(--line)}
.btn-sm.danger{color:var(--danger);border-color:rgba(239,91,91,.4)}
.btn-sm.warn{color:#c47f17;border-color:rgba(255,159,67,.5)}
.btn-sm.ok{color:var(--primary-d);border-color:rgba(82,168,107,.5)}

/* Toast */
#toastRoot{position:fixed;top:20px;left:50%;transform:translateX(-50%);z-index:100;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{background:rgba(30,42,35,.92);color:#fff;padding:10px 20px;border-radius:22px;font-size:14px;box-shadow:0 8px 24px rgba(0,0,0,.25);animation:pop .2s ease;max-width:86vw;text-align:center}
.toast.err{background:rgba(214,69,69,.94)}
.toast.ok{background:rgba(61,139,85,.94)}

/* 图片灯箱 */
#lightbox{position:fixed;inset:0;z-index:90;background:rgba(0,0,0,.88);display:flex;align-items:center;justify-content:center;cursor:zoom-out}
#lightbox img{max-width:96vw;max-height:94vh;border-radius:8px}

/* 反应快捷条 */
.quick-react{position:absolute;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:4px 6px;
  box-shadow:var(--shadow);z-index:40;display:flex;gap:2px;animation:pop .15s ease}
.quick-react button{font-size:20px;padding:4px 7px;border-radius:50%}
.quick-react button:hover{background:var(--panel2);transform:scale(1.2)}

/* ---------------- 移动端 ---------------- */
@media (max-width:760px){
  .sidebar{position:fixed;left:0;top:0;bottom:0;transform:translateX(-100%);box-shadow:0 0 40px rgba(0,0,0,.3)}
  .sidebar.open{transform:none}
  .mask.show{display:block}
  .menu-btn{display:block}
  .m-body{max-width:78%}
  .msg-actions{opacity:1}
  .m-avatar{width:34px;height:34px;font-size:18px}
  .emoji-panel{width:300px;grid-template-columns:repeat(8,1fr)}
  .char-count{display:none}
}