:root{--bg: #f3f6fb;--text: #1d2733;--muted: #6d7b8c;--line: #e4ebf4;--card: #ffffff;--accent: #1677ff;--accent-2: #0f5fd6;--accent-ink: #ffffff;--accent-soft: #e8f2ff;--danger: #e5484d;--ok: #128a4a;--mine: #1677ff;--theirs: #ffffff;--shadow: 0 8px 24px rgba(22, 80, 160, .08);color-scheme:light}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#app{margin:0;height:100%;background:var(--bg);color:var(--text)}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{position:fixed;left:0;width:100%;top:var(--app-top, 0px);height:var(--app-height, 100%);overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:16px;line-height:1.45}#app{height:100%}button,input,textarea{font:inherit;color:inherit}button{touch-action:manipulation;cursor:pointer}button:disabled{cursor:default}.shell{height:100%;display:flex;flex-direction:column;min-height:0;background:var(--bg)}.login-page{height:100%;flex:1;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 20% 0%,#d7e8ff 0,transparent 42%),linear-gradient(180deg,#eef5ff,#f7f9fc);padding:24px 16px}.login{width:min(420px,100%);background:#fff;border:1px solid #fff;border-radius:16px;box-shadow:var(--shadow);padding:28px 24px 22px}.login-mark{width:42px;height:42px;border-radius:12px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:14px}.brand{font-size:22px;font-weight:650;margin:0 0 6px}.sub{color:var(--muted);font-size:13px;margin:0}.field,.area{width:100%;margin-top:12px;border:1px solid #d7e1ee;background:#fff;border-radius:10px;padding:11px 12px;font-size:16px;outline:none}.area{min-height:88px;resize:vertical}.field:focus,.area:focus{border-color:var(--accent);box-shadow:0 0 0 3px #1677ff26}.captcha-row{display:flex;gap:8px;align-items:center}.captcha-row .field{margin-top:12px;flex:1}.captcha-img{margin-top:12px;height:44px;width:118px;flex:none;padding:0;border:1px solid #d7e1ee;border-radius:10px;background:#e8f2ff;overflow:hidden}.captcha-img img{width:100%;height:100%;display:block;object-fit:cover}.btn{min-height:40px;border:0;border-radius:10px;padding:0 14px;background:var(--accent);color:#fff;font-weight:650}.btn:hover{background:var(--accent-2)}.btn:disabled{opacity:.55}.btn-ghost{background:#fff;color:var(--text);border:1px solid #d7e1ee}.btn-ghost:hover{background:#f5f8fc}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#cf3e43}.btn-ok{background:var(--accent);color:#fff}.btn-block{width:100%;margin-top:16px}.btn-sm{min-height:32px;padding:0 10px;font-size:13px;font-weight:600}.app{height:100%;display:flex;min-height:0;background:var(--bg)}.side{width:220px;flex:none;background:#1677ff;color:#fff;display:flex;flex-direction:column;padding:calc(16px + env(safe-area-inset-top)) 12px 12px}.side-brand{font-size:18px;font-weight:700;padding:6px 10px 16px}.side-item{text-align:left;border:0;background:transparent;color:#fff;border-radius:10px;min-height:42px;padding:0 12px}.side-item.on{background:#ffffff2e}.side-foot{margin-top:auto}.side-foot .side-item{color:#ffffffe6}.main{flex:1;min-width:0;display:flex;flex-direction:column}.toolbar{display:flex;align-items:center;gap:12px;padding:calc(12px + env(safe-area-inset-top)) 20px 12px;background:#fff;border-bottom:1px solid var(--line)}.toolbar h1{margin:0;font-size:18px;font-weight:700}.toolbar .grow{flex:1;min-width:0}.toolbar-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.search{width:min(280px,46vw);margin:0}.page{flex:1;overflow:auto;padding:16px 20px 28px;-webkit-overflow-scrolling:touch}.panel{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 1px 2px #1650a00a}.panel+.panel{margin-top:14px}.panel-h{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line);font-weight:700}.panel-b{padding:14px 16px 16px}.grid-head,.grid-row{display:grid;grid-template-columns:1.3fr 1.6fr 90px 90px 150px;gap:8px;align-items:center;padding:12px 16px}.grid-head{color:var(--muted);font-size:13px;background:#f8fafc}.grid-row{width:100%;text-align:left;border:0;border-top:1px solid var(--line);background:#fff}.grid-row:hover{background:#f5f9ff}.seat-head,.seat-row{display:grid;grid-template-columns:1.2fr 1fr 90px minmax(220px,1.4fr);gap:8px;align-items:center;padding:12px 16px}.seat-head{color:var(--muted);font-size:13px;background:#f8fafc}.seat-row{border-top:1px solid var(--line)}.seat-actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.kv{display:grid;grid-template-columns:88px 1fr;gap:8px 12px;align-items:start}.kv span{color:var(--muted);padding-top:8px}.kv .area,.kv .field{margin-top:0}.work{height:100%;display:flex;flex-direction:column;min-height:0;flex:1}.rail{display:none;width:76px;flex:none;background:#1677ff;color:#fff;flex-direction:column;align-items:center;padding:calc(12px + env(safe-area-inset-top)) 8px 12px;gap:8px}.rail-logo{width:40px;height:40px;border-radius:12px;background:#ffffff2e;display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:8px}.rail-btn{width:60px;min-height:52px;border:0;border-radius:12px;background:transparent;color:#ffffffdb;font-size:13px}.rail-btn.on{background:#fff;color:var(--accent)}.rail-exit{margin-top:auto}.col-list,.col-chat,.col-settings{height:100%;min-height:0;min-width:0;display:flex;flex-direction:column;background:#fff}.header{display:flex;align-items:center;gap:10px;padding:calc(8px + env(safe-area-inset-top)) 12px 8px;border-bottom:1px solid var(--line);background:#fff}.header .grow{flex:1;min-width:0}.title{font-size:16px;font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.icon-btn{min-width:44px;min-height:44px;border:0;background:transparent;color:var(--accent);padding:0 8px}.tabs{display:flex;gap:8px;padding:10px 12px}.tab{min-height:34px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);padding:0 14px}.tab.on{background:var(--accent-soft);color:var(--accent);border-color:transparent;font-weight:650}.list{flex:1;overflow-y:auto;min-height:0;-webkit-overflow-scrolling:touch;background:#fff}.item{width:100%;text-align:left;background:#fff;border:0;border-bottom:1px solid var(--line);padding:12px;display:flex;gap:10px;align-items:center}.item.on{background:var(--accent-soft)}.item.unread{background:#eef5ff}.item.unread b{font-weight:750}.item .line b{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tab .badge{margin-left:6px;vertical-align:1px}.item .grow{flex:1;min-width:0}.item .line{display:flex;justify-content:space-between;gap:8px}.item .preview{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:4px}.badge{font-style:normal;min-width:18px;height:18px;border-radius:999px;background:var(--danger);color:#fff;font-size:12px;line-height:18px;text-align:center;padding:0 5px}.tag{display:inline-block;font-style:normal;font-size:12px;border-radius:999px;padding:2px 8px;margin-right:4px;background:#eef3f9;color:#4d6075}.tag.ok{color:var(--ok);background:#e8f8ef}.tag.off{color:#8a5a12;background:#fff4df}.tag.warn{color:#b42318;background:#ffeceb}.avatar,.avatar-img{width:40px;height:40px;border-radius:50%;flex:none;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;object-fit:cover}.avatar.sm,.avatar-img.sm{width:28px;height:28px;font-size:13px}.avatar.chat,.avatar-img.chat{width:36px;height:36px;font-size:14px;align-self:flex-end}.msgs{flex:1;overflow-y:auto;min-height:0;padding:14px 12px;background:#f5f8fc;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}.time-split{text-align:center;color:var(--muted);font-size:12px;margin:10px 0}.bubble-row{display:flex;margin:8px 0;align-items:flex-end;gap:8px}.bubble-row.me{justify-content:flex-end}.bubble-row.them{justify-content:flex-start}.bubble{max-width:min(78%,520px);padding:9px 12px;border-radius:14px;word-break:break-word;overflow-wrap:anywhere;white-space:pre-wrap;box-shadow:0 1px 2px #1650a00f}.bubble.me{background:var(--mine);color:#fff;border-bottom-right-radius:4px}.bubble.them{background:#fff;color:var(--text);border-bottom-left-radius:4px}.bubble .who{display:block;color:var(--accent);font-size:12px;margin-bottom:2px;white-space:normal}.bubble.me .who{color:#ffffffd1}.bubble img{max-width:220px;border-radius:10px;display:block}.recall{border:0;background:transparent;color:var(--muted);font-size:12px;min-height:28px;padding:0 4px;flex:none}.system{text-align:center;color:var(--muted);font-size:12px;margin:10px auto;background:#e8eef6;display:table;padding:4px 10px;border-radius:999px}.composer{display:flex;gap:8px;align-items:flex-end;padding:10px 12px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#fff}.composer .field{margin-top:0;flex:1;border-radius:20px}.file-label{position:relative;overflow:hidden}.file-input{position:absolute;left:0;top:0;width:100%;height:100%;opacity:0;font-size:16px}.banner,.hint{padding:8px 12px;font-size:13px;color:#8a5a12;background:#fff7e8}.banner{color:#9a3412;background:#fff1e8}.tabbar{display:flex;border-top:1px solid var(--line);background:#fff;padding-bottom:env(safe-area-inset-bottom)}.tabbar button{flex:1;min-height:50px;border:0;background:transparent;color:var(--muted)}.tabbar button.on{color:var(--accent);font-weight:700}.empty{margin:auto;color:var(--muted);padding:24px;text-align:center}.mask{position:fixed;left:0;right:0;top:0;bottom:0;background:#12264459;z-index:20;display:flex;align-items:flex-end;justify-content:center}.dialog{width:100%;max-width:480px;background:#fff;border-radius:16px 16px 0 0;padding:16px 16px calc(16px + env(safe-area-inset-bottom));max-height:86%;overflow-y:auto;-webkit-overflow-scrolling:touch}.sheet-row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}.sheet-row span{color:var(--muted);flex:none}.sheet-row b{font-weight:500;text-align:right;word-break:break-all}.row{display:flex;gap:8px;margin-top:14px}.row .btn{flex:1}.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translate(-50%);background:#18273aeb;color:#fff;padding:10px 14px;border-radius:999px;z-index:40;max-width:80%;text-align:center}.card{margin:12px;padding:14px;border:1px solid var(--line);border-radius:12px;background:#fff}.tools{display:flex;gap:8px;flex-wrap:wrap}.linkish{color:var(--accent);background:none;border:0;min-height:36px;padding:0;font-weight:650}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#b7c3d1;margin-right:6px}.dot.on{background:#22c55e}.visitor .header{background:linear-gradient(90deg,#1677ff,#3b8bff);color:#fff;border-bottom:0}.visitor .header .sub,.visitor .icon-btn{color:#ffffffeb}.visitor .avatar,.visitor .header .avatar-img{box-shadow:0 0 0 2px #ffffff73}.visitor .avatar{background:#ffffff38;color:#fff}.visitor .msgs{background:linear-gradient(180deg,#eaf3ff,#f7f9fc 120px)}.visitor .composer{box-shadow:0 -4px 16px #1650a00a}@media (max-width: 800px){.app{flex-direction:column}.side{width:100%;flex-direction:row;align-items:center;padding:calc(8px + env(safe-area-inset-top)) 8px 8px}.side-brand{padding:0 8px;font-size:16px}.side-foot{margin-top:0;margin-left:auto}.grid-head{display:none}.grid-row,.seat-head,.seat-row{grid-template-columns:1fr}.seat-head{display:none}.seat-actions{justify-content:flex-start}.search{width:140px}.toolbar{padding-left:12px;padding-right:12px}.page{padding:12px}}@media (min-width: 800px){.mask{align-items:center}.dialog{border-radius:16px;margin:16px}}@media (min-width: 960px){.rail{display:flex}.work{flex-direction:row}.col-list{width:320px;flex:none;height:100%;border-right:1px solid var(--line)}.col-chat,.col-settings{flex:1;height:100%}.tabbar{display:none}.col-list .header{padding-top:10px}}