:root{--bg:#f2f4f7;--bg-2:#fff;--panel:#fff;--panel-2:#f2f4f7;--text:#101418;--text-dim:#6b7480;--text-faint:#98a1ac;--stroke:#e4e8ee;--primary:#07f;--primary-2:#8a3ffc;--grad:linear-gradient(135deg, #07f, #8a3ffc);--bubble-mine:linear-gradient(135deg, #3b8bff, #7a5bff);--bubble-mine-text:#fff;--bubble-theirs:#fff;--bubble-theirs-text:#101418;--hover:#0077ff0f;--active-row:#0077ff1a;--green:#3ddc97;--red:#ff5c7a;--shadow:0 8px 30px #10182814;--radius:16px;--radius-lg:22px;--tabbar-h:64px}body.max-dark{--bg:#0f1115;--bg-2:#161a21;--panel:#171b23;--panel-2:#10141b;--text:#eef1f6;--text-dim:#8b93a1;--text-faint:#5c6572;--stroke:#232a35;--bubble-theirs:#232a35;--bubble-theirs-text:#eef1f6;--hover:#0077ff1a;--active-row:#0077ff29;--shadow:0 8px 30px #00000059}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{background:var(--bg);color:var(--text);min-height:100dvh;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;transition:background .3s,color .3s}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0}input{font:inherit;color:inherit}.max-app{flex-direction:column;min-height:100dvh;display:flex}.login{background:radial-gradient(60% 50% at 15% 0%, #0077ff1a, transparent 60%), radial-gradient(55% 50% at 90% 10%, #8a3ffc1f, transparent 60%), var(--bg);flex:1;place-items:center;padding:24px;display:grid}.login-card{background:var(--panel);border:1px solid var(--stroke);width:min(430px,100%);box-shadow:var(--shadow);text-align:center;border-radius:28px;padding:36px 32px 28px}.login-head{margin-bottom:22px}.login-head h1{letter-spacing:-.5px;margin-top:8px;font-size:30px;font-weight:800}.login-head p{color:var(--text-dim);margin-top:4px;font-size:14px}.qr-wrap{background:var(--panel-2);border:1px solid var(--stroke);border-radius:22px;width:210px;height:210px;margin:0 auto 22px;padding:6px;position:relative}.qr-svg{border-radius:16px;display:block}.qr-refresh{background:var(--panel);border:1px solid var(--stroke);width:34px;height:34px;box-shadow:var(--shadow);color:var(--text-dim);cursor:pointer;border-radius:50%;place-items:center;font-size:18px;display:grid;position:absolute;bottom:10px;right:10px}.qr-refresh:hover{transition:transform .5s;transform:rotate(180deg)}.login-steps{text-align:left;max-width:320px;color:var(--text-dim);counter-reset:step;margin:0 auto 24px;font-size:13.5px;line-height:1.7;list-style:none}.login-steps li{counter-increment:step;margin-bottom:10px;padding-left:34px;position:relative}.login-steps li:before{content:counter(step);background:var(--grad);color:#fff;border-radius:50%;place-items:center;width:22px;height:22px;font-size:12px;font-weight:700;display:grid;position:absolute;top:1px;left:0}.login-steps b{color:var(--text)}.btn-primary{background:var(--grad);color:#fff;border:0;border-radius:14px;justify-content:center;align-items:center;gap:8px;width:100%;padding:14px 20px;font-size:15px;font-weight:700;transition:transform .2s,box-shadow .2s,filter .2s;display:inline-flex;box-shadow:0 8px 24px #0077ff59}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 30px #0077ff73}.btn-primary:active{transform:scale(.97)}.btn-primary.big{padding:16px 24px;font-size:16px}.login-alt{color:var(--text-dim);margin-top:18px;font-size:13.5px}.login-alt button{color:var(--primary);margin-left:6px;font-weight:700}.login-alt button:hover{text-decoration:underline}.login-foot{color:var(--text-faint);margin-top:22px;font-size:11.5px}.messenger{background:var(--bg);flex:1;min-height:100dvh;display:flex}.sidebar{background:var(--panel);border-right:1px solid var(--stroke);flex-direction:column;flex:none;width:340px;display:flex}.sidebar-inner{flex-direction:column;height:100%;display:flex}.sb-top{padding:12px 12px 8px}.sb-me{align-items:center;gap:10px;padding:6px 6px 12px;display:flex}.sb-me-info{flex:1;min-width:0}.sb-me-info b{font-size:15px;display:block}.sb-me-info span{color:var(--green);font-size:12px}.icon-btn{width:38px;height:38px;color:var(--text-dim);border-radius:12px;place-items:center;transition:background .2s,transform .15s;display:grid}.icon-btn:hover{background:var(--hover);color:var(--text)}.icon-btn:active{transform:scale(.92)}.icon-btn svg{width:22px;height:22px}.sb-search{background:var(--panel-2);border:1px solid var(--stroke);color:var(--text-dim);border-radius:12px;align-items:center;gap:8px;padding:9px 12px;display:flex}.sb-search svg{flex:none;width:18px;height:18px}.sb-search input{background:0 0;border:0;outline:0;flex:1;font-size:14px}.sb-tabs{gap:6px;padding:10px 2px 0;display:flex}.sb-tabs button{color:var(--text-dim);border-radius:10px;padding:8px 14px;font-size:13.5px;font-weight:600;transition:all .2s}.sb-tabs button.active{background:var(--active-row);color:var(--primary);font-weight:700}.new-count{background:var(--grad);color:#fff;border-radius:9px;place-items:center;min-width:18px;height:18px;margin-left:5px;padding:0 5px;font-size:11px;font-weight:700;display:inline-grid}.sb-list{flex:1;padding:4px 8px 12px;overflow-y:auto}.sb-empty{text-align:center;color:var(--text-faint);padding:30px 0;font-size:13.5px}.chat-row{text-align:left;border:0;border-radius:14px;align-items:center;gap:12px;width:100%;padding:10px;transition:background .15s;display:flex}.chat-row:hover{background:var(--hover)}.chat-row.active{background:var(--active-row)}.avatar{color:#fff;border-radius:50%;flex:none;place-items:center;width:48px;height:48px;font-size:16px;font-weight:800;display:grid;position:relative;box-shadow:inset 0 0 0 1px #ffffff40}.avatar.sm{border-radius:12px;width:38px;height:38px;font-size:13px}.avatar.lg{border-radius:24px;width:72px;height:72px;font-size:26px}.avatar svg{width:22px;height:22px}.online-dot{background:var(--green);border:2.5px solid var(--panel);border-radius:50%;width:12px;height:12px;position:absolute;bottom:1px;right:-1px}.chat-meta{flex:1;min-width:0}.chat-row-top{justify-content:space-between;align-items:center;gap:8px;display:flex}.chat-name{white-space:nowrap;text-overflow:ellipsis;font-size:14.5px;overflow:hidden}.pin{margin-left:4px;font-size:11px}.chat-time{color:var(--text-faint);flex:none;font-size:11.5px}.chat-row-bottom{justify-content:space-between;align-items:center;gap:8px;margin-top:2px;display:flex}.chat-last{color:var(--text-dim);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.unread{background:var(--grad);color:#fff;border-radius:10px;flex:none;place-items:center;min-width:20px;height:20px;padding:0 6px;font-size:11.5px;font-weight:700;display:grid}.main{flex-direction:column;flex:1;min-width:0;display:flex}.chat{flex-direction:column;flex:1;min-width:0;height:100%;display:flex}.chat-head{background:var(--panel);border-bottom:1px solid var(--stroke);z-index:2;align-items:center;gap:12px;padding:10px 16px;display:flex}.chat-head-info{flex:1;min-width:0}.chat-head-info b{font-size:15px;display:block}.chat-head-info span{color:var(--green);font-size:12px}.chat-head-actions{gap:2px;display:flex}.mobile-back{display:none}.thread{background:radial-gradient(80% 60% at 80% 0%, #0077ff0d, transparent 55%), var(--bg-2);flex-direction:column;flex:1;gap:3px;padding:18px 18px 10px;display:flex;overflow-y:auto}.day-pill{background:var(--panel);border:1px solid var(--stroke);color:var(--text-dim);border-radius:999px;align-self:center;margin:4px 0 12px;padding:5px 14px;font-size:12px;box-shadow:0 2px 10px #0000000a}.bubble-row{flex-direction:column;align-items:flex-start;margin-bottom:4px;display:flex}.bubble-row.mine{align-items:flex-end}.bubble-author{margin:4px 12px 2px;font-size:11.5px;font-weight:700}.bubble{background:var(--bubble-theirs);max-width:min(72%,520px);color:var(--bubble-theirs-text);border:1px solid var(--stroke);word-break:break-word;border-radius:18px 18px 18px 6px;padding:9px 13px 7px;box-shadow:0 1px 2px #0000000a}.bubble.mine{background:var(--bubble-mine);color:var(--bubble-mine-text);border:0;border-bottom-right-radius:6px;box-shadow:0 4px 14px #0077ff47}.bubble-text{white-space:pre-wrap;font-size:14.5px;line-height:1.45}.bubble-meta{float:right;color:var(--text-faint);align-items:center;gap:3px;margin:6px -4px -2px 10px;font-size:10.5px;display:inline-flex}.bubble.mine .bubble-meta{color:#fffc}.bubble.typing{gap:5px;padding:14px 16px;display:inline-flex}.bubble.typing span{background:var(--text-dim);border-radius:50%;width:7px;height:7px;animation:1.2s infinite blink}.bubble.typing span:nth-child(2){animation-delay:.15s}.bubble.typing span:nth-child(3){animation-delay:.3s}@keyframes blink{0%,60%,to{opacity:.25;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}.composer{background:var(--panel);border-top:1px solid var(--stroke);padding:10px 14px 16px;position:relative}.composer-bar{background:var(--panel-2);border:1px solid var(--stroke);border-radius:16px;align-items:center;gap:4px;padding:6px 8px;display:flex}.composer-bar input{background:0 0;border:0;outline:0;flex:1;min-width:0;padding:8px 6px;font-size:14.5px}.icon-btn.on{background:var(--active-row);color:var(--primary)}.send-btn{background:var(--grad);color:#fff;border-radius:12px;place-items:center;width:40px;height:40px;transition:transform .2s;display:grid;box-shadow:0 6px 16px #0077ff59}.send-btn:hover{transform:scale(1.06)}.send-btn:active{transform:scale(.92)}.send-btn svg{width:20px;height:20px}.emoji-panel{background:var(--panel);border:1px solid var(--stroke);box-shadow:var(--shadow);z-index:5;border-radius:18px;grid-template-columns:repeat(8,1fr);gap:2px;max-height:190px;padding:10px;display:grid;position:absolute;bottom:calc(100% - 6px);left:14px;right:14px;overflow-y:auto}.emoji-panel button{border-radius:10px;padding:5px;font-size:22px;transition:transform .12s,background .12s}.emoji-panel button:hover{background:var(--hover);transform:scale(1.25)}.placeholder{color:var(--text-dim);text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;padding:24px;display:flex}.placeholder-logo{background:var(--grad);color:#fff;border-radius:28px;place-items:center;width:84px;height:84px;font-size:40px;font-weight:800;display:grid;box-shadow:0 14px 40px #07f6}.placeholder h2{color:var(--text);font-size:22px}.placeholder .btn-primary{width:auto;padding:12px 22px}.view-page{flex:1;padding:22px 24px 90px;overflow-y:auto}.view-head{align-items:center;gap:12px;margin-bottom:18px;display:flex}.view-head h2{letter-spacing:-.3px;font-size:24px;font-weight:800}.view-sub{color:var(--text-dim);font-size:13.5px}.channels-list{flex-direction:column;gap:12px;max-width:720px;display:flex}.channel-card{background:var(--panel);border:1px solid var(--stroke);border-radius:var(--radius);align-items:center;gap:14px;padding:14px 16px;transition:transform .15s,box-shadow 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var(--stroke)}.view-hint{color:var(--text-faint);max-width:720px;margin-top:18px;font-size:12px}.settings-page{max-width:720px}.profile-card{background:var(--panel);border:1px solid var(--stroke);border-radius:var(--radius-lg);align-items:center;gap:16px;margin-bottom:16px;padding:20px;display:flex}.profile-info b{font-size:18px;display:block}.profile-info span{color:var(--text-dim);margin-top:2px;font-size:13.5px;display:block}.status-chip{background:#3ddc9726;border-radius:999px;padding:3px 10px;font-weight:700;color:var(--green)!important;margin-top:6px!important;font-size:12px!important;display:inline-block!important}.group-title{color:var(--text-dim);text-transform:uppercase;letter-spacing:.6px;margin:18px 4px 10px;font-size:13px;font-weight:700}.settings-group{background:var(--panel);border:1px solid var(--stroke);border-radius:var(--radius);overflow:hidden}.setting-row{border-bottom:1px solid var(--stroke);cursor:pointer;align-items:center;gap:14px;padding:14px 16px;transition:background .15s;display:flex}.setting-row:last-child{border-bottom:0}.setting-row:hover{background:var(--hover)}.set-ico{background:var(--panel-2);border-radius:12px;flex:none;place-items:center;width:40px;height:40px;display:grid}.set-ico svg{width:20px;height:20px}.set-body{flex:1;min-width:0}.set-body b{font-size:14.5px;display:block}.set-body span{color:var(--text-dim);margin-top:1px;font-size:12.5px;display:block}.setting-row>svg{color:var(--text-faint)}.current-chip{color:var(--green);vertical-align:middle;background:#3ddc9726;border-radius:999px;margin-left:6px;padding:2px 8px;font-size:10px;font-weight:700}.mini-danger{color:var(--red);background:#ff5c7a1a;border-radius:10px;padding:6px 12px;font-size:12px;font-weight:600}.mini-danger:hover{background:#ff5c7a2e}.switch{flex:none;width:46px;height:27px;position:relative}.switch input{opacity:0;width:0;height:0}.switch .track{background:var(--panel-2);border:1px solid var(--stroke);border-radius:999px;transition:background .25s;position:absolute;inset:0}.switch .track:before{content:"";background:#fff;border-radius:50%;width:19px;height:19px;transition:transform .25s cubic-bezier(.34,1.56,.64,1);position:absolute;top:2.5px;left:3px;box-shadow:0 2px 5px #00000040}.switch input:checked+.track{background:var(--grad);border-color:#0000}.switch input:checked+.track:before{transform:translate(19px)}.logout-btn{border-radius:var(--radius);width:100%;color:var(--red);border:1px solid #ff5c7a4d;justify-content:center;align-items:center;gap:10px;margin-top:20px;padding:14px;font-size:14.5px;font-weight:700;transition:background .2s;display:flex}.logout-btn:hover{background:#ff5c7a14}.logout-btn svg{width:20px;height:20px}.bottom-nav{height:var(--tabbar-h);background:var(--panel);border-top:1px solid var(--stroke);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:50;display:none;position:fixed;bottom:0;left:0;right:0}.bottom-nav button{color:var(--text-dim);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:4px;font-size:11px;font-weight:600;transition:color .2s;display:flex}.bottom-nav button svg{width:23px;height:23px}.bottom-nav button.active{color:var(--primary)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#7882964d;border-radius:8px}::-webkit-scrollbar-track{background:0 0}@media (width<=860px){.sidebar{border-right:0;border-bottom:1px solid var(--stroke);width:100%;min-height:100dvh}.messenger{min-height:calc(100dvh - var(--tabbar-h));flex-direction:column}.sidebar{display:none}.sidebar.open{display:flex}.main{min-height:calc(100dvh - var(--tabbar-h))}.chat{height:calc(100dvh - var(--tabbar-h))}.thread{padding-bottom:90px}.mobile-back{display:grid}.chat-head-actions .icon-btn:nth-child(3){display:none}.bottom-nav{display:flex}.view-page{padding-bottom:calc(var(--tabbar-h) + 24px)}.bubble{max-width:84%}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}