@charset "UTF-8";
:root{--paper:#f6f5f0;--surface:#fffefa;--ink:#233c33;--muted:#777e75;--forest:#193c32;--forest-deep:#143128;--mint:#d3e9d9;--line:#e2e4da;--danger:#a64232;--sans:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;--serif:"Songti SC","STSong","SimSun",Georgia,serif}
*{box-sizing:border-box}html,body{height:100%;margin:0}body{font-family:var(--sans);font-size:14px;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button,a{touch-action:manipulation}button{color:inherit}button:disabled{cursor:not-allowed;opacity:.46}button,a,input,textarea,select{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid #699879}button{border:0}a{color:inherit}button,input,textarea,select{border-radius:8px}input,select{width:100%;padding:13px 14px;border:1px solid #d5dacf;background:var(--surface);color:var(--ink)}label{display:block;font-size:13px;font-weight:600;margin:18px 0 9px}input:focus,textarea:focus,select:focus{border-color:#60836a}textarea{resize:none}button{transition:background .15s,opacity .15s}button:hover{filter:brightness(.97)}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.primary{background:var(--forest);color:#f9fff6;min-height:44px;padding:11px 20px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:22px}.primary:hover{background:#285343}.secondary{border:1px solid var(--line);background:var(--surface);padding:10px 14px;text-decoration:none;white-space:nowrap;min-height:44px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center}.wide{width:100%;justify-content:space-between}.icon-button{background:transparent;min-width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;font-size:23px;flex:none;padding:8px}.icon-button:hover{background:#d7e4d74f}.text-button{background:transparent;color:var(--forest);min-height:44px;padding:8px 0;font-size:13px;font-weight:600}.eyebrow{font-size:10px;letter-spacing:2.1px;font-weight:600;color:#708372}.brand-seal{width:43px;height:43px;display:inline-flex;align-items:center;justify-content:center;border:1px solid #a2baa078;border-radius:12px 12px 12px 3px;font-family:var(--serif);font-size:25px;flex:none}.form-error{font-size:13px;color:var(--danger);line-height:1.6;min-height:1px}.login-screen{min-height:100%;display:flex;flex-direction:column;align-items:center;padding:42px 22px 25px;background:var(--paper)}.login-brand{display:flex;align-items:center;gap:13px;width:min(100%,440px);font-family:var(--serif);font-size:25px}.login-brand small{display:block;font:9px var(--sans);letter-spacing:2.8px;margin-top:3px}.login-card{width:min(100%,440px);margin:auto 0;padding:50px 0}.login-card h1{font-family:var(--serif);font-weight:500;font-size:clamp(26px,5.5vw,35px);letter-spacing:-1px;line-height:1.5;margin:18px 0}.login-description{color:var(--muted);line-height:1.9;margin-bottom:30px}.login-note{font-size:12px;color:var(--muted);margin-top:22px}.login-footer{font-family:var(--serif);color:#899184;font-size:13px;letter-spacing:2px}.login-card .primary{margin-top:8px}
.app{height:100dvh;display:flex;overflow:hidden}.sidebar{position:fixed;inset:0 auto 0 0;z-index:30;width:280px;display:flex;flex-direction:column;background:var(--forest);color:#edf2e8;padding:29px 20px 20px;transform:translateX(-100%);transition:transform .2s ease;overflow-y:auto}.sidebar.open{transform:translateX(0)}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:0 7px 39px}.sidebar-brand .wordmark{font-size:28px;font-family:var(--serif);letter-spacing:4px}.sidebar-brand small{display:block;font-size:8px;letter-spacing:2.6px;margin-top:4px;color:#b9cabc}.sidebar-brand .icon-button{margin-left:auto}.space-label{color:#a5b9a9;font-size:10px;letter-spacing:2px;margin:0 13px 13px}.room-selected{display:flex;align-items:center;gap:13px;background:#2a5042;border:1px solid #446454;border-radius:9px;padding:15px 13px;font-weight:600}.room-hash{font-size:25px;color:#bad5bc;font-weight:400}.room-selected small{display:block;font-size:10px;color:#b8cbb7;font-weight:400;margin-top:6px;letter-spacing:.4px}.room-mark{height:6px;width:6px;border-radius:50%;background:#c0dabb;margin-left:auto}.members-heading{display:flex;align-items:center;justify-content:space-between;margin:23px 6px 0}.members-heading h2{font-size:12px;font-weight:500;color:#cfddcc}.members-heading h2 span{font-size:11px;margin-left:7px;color:#9fb5a4}.member-hint{font-size:10px;color:#9bb19f;margin:0 7px 10px}.members{display:flex;flex-direction:column;gap:5px}.member{width:100%;display:flex;align-items:center;gap:11px;text-align:left;background:none;padding:10px 7px;color:inherit;min-height:56px}.member:hover{background:#2c5144}.avatar{width:36px;height:36px;flex:none;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;background:#e2e8d9;color:#294b38;font-size:15px;font-weight:600}.avatar.agent{border-radius:9px;background:#dbe5eb;color:#395569}.member .avatar{background:#b9cdb3}.member .avatar.agent{background:#a7bfba;color:#173d37}.member-info{flex:1;min-width:0}.member-info strong{font-size:13px;font-weight:500;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.member-info small{display:block;color:#abc0ae;font-size:10px;margin-top:4px}.member-tag{font-size:9px;letter-spacing:.7px;color:#c7d6c4;border:1px solid #57715d;border-radius:4px;padding:3px 5px}.sidebar-bottom{margin-top:auto;padding-top:36px}.sidebar-motto{font-family:var(--serif);font-size:14px;color:#a9bca9;line-height:1.9;padding:0 12px 25px;margin:0}.self-row{border-top:1px solid #3d5b48;padding:20px 5px 0;display:flex;gap:10px;align-items:center}.self-info{flex:1;min-width:0}.self-info strong{font-weight:500;font-size:13px;display:block;overflow:hidden;text-overflow:ellipsis}.self-info small{display:block;font-size:10px;color:#b3c3ac;margin-top:5px}.drawer-backdrop{position:fixed;inset:0;z-index:29;background:#12261eb3;border-radius:0}.main{flex:1;min-width:0;display:flex;flex-direction:column;position:relative}.chat-header{height:83px;flex:none;border-bottom:1px solid var(--line);padding:16px 16px 16px 10px;display:flex;align-items:center;gap:8px;background:var(--paper)}.header-kicker{font-size:8px;letter-spacing:1.8px;color:#7b8879;margin-bottom:7px}.header-title{min-width:0;flex:1}.chat-header h1{font-size:18px;line-height:1.3;font-weight:600;margin:0;letter-spacing:.5px}.header-dot,.header-subtitle{display:none}.connection{font-size:10px;display:flex;align-items:center;gap:6px;color:var(--muted);white-space:nowrap}.connection i{width:6px;height:6px;border-radius:50%;background:#aa8a56}.connection.connected i{background:#5c8663}.connection.disconnected i{background:#ad7769}.timeline{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#c8d0c1 transparent;padding:22px 18px 12px;scroll-behavior:auto}.room-intro{display:flex;align-items:center;justify-content:center;gap:13px;font-size:9px;color:#8a9183;letter-spacing:.4px;margin:1px auto 28px;max-width:750px;white-space:nowrap}.intro-line{height:1px;background:var(--line);width:40px}.empty-state{max-width:600px;margin:clamp(18px,6vh,90px) auto 30px;text-align:left;padding:0 13px}.empty-glyph{font-family:Georgia,serif;font-size:100px;height:72px;display:block;line-height:1;color:#b3c6ab}.empty-state .eyebrow{font-size:8px;letter-spacing:1.7px}.empty-state h2{font-family:var(--serif);font-size:26px;font-weight:500;letter-spacing:.1px;margin:15px 0}.empty-state>p:not(.eyebrow){font-size:12px;line-height:2;color:var(--muted)}.empty-state .text-button{margin-top:12px}.messages{max-width:850px;margin:0 auto}.message{display:flex;gap:11px;margin:0 0 25px;min-width:0}.message>.avatar{width:33px;height:33px;font-size:13px;border-radius:10px;margin-top:2px}.message-main{min-width:0;flex:1}.message-meta{display:flex;align-items:center;gap:8px;min-height:25px;flex-wrap:wrap}.message-name{font-weight:600;font-size:12px;overflow-wrap:anywhere}.role-badge{font-size:8px;letter-spacing:.4px;border:1px solid #ccd6c5;padding:2px 4px;border-radius:4px;color:#62765d}.message-time{font-size:10px;color:#93988b;margin-left:2px}.message-body{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.85;font-size:14px;color:#304036;padding:5px 0 2px;tab-size:4}.message.own .message-body{color:#1e4835}.message-actions{display:flex;align-items:center;gap:10px;margin-top:2px}.reply-button{background:none;color:#7e8876;font-size:10px;min-height:32px;padding:4px 0}.reply-button:hover{color:var(--forest)}.quoted-message{display:block;max-width:100%;border:0;background:#e9ede3;padding:9px 12px;margin:7px 0 6px;border-radius:6px;color:#6d7a64;font-size:11px;white-space:pre-wrap;overflow-wrap:anywhere;text-align:left;line-height:1.7}.quoted-message strong{font-weight:600;color:#53644c}.message-attachments{display:flex;flex-wrap:wrap;gap:9px;margin-top:8px}.image-attachment{padding:0;border:1px solid #dde1d5;background:#ebece3;border-radius:9px;overflow:hidden;max-width:100%;display:flex;min-width:80px;min-height:80px}.image-attachment img{display:block;width:auto;max-width:min(290px,100%);max-height:260px;object-fit:contain}.file-card{display:flex;align-items:center;gap:11px;border:1px solid var(--line);background:var(--surface);padding:12px;border-radius:8px;text-decoration:none;min-width:180px;max-width:100%}.file-symbol{font-size:11px;font-weight:600;letter-spacing:.7px;background:#e7ecdf;width:36px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:4px;flex:none}.file-details{min-width:0;flex:1}.file-details strong{font-size:12px;font-weight:500;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:240px}.file-details small{font-size:10px;color:var(--muted);display:block;margin-top:5px}.file-download{margin-left:8px;font-size:19px}.day-divider{display:flex;align-items:center;gap:15px;color:#8b9383;font-size:10px;margin:14px 0 24px}.day-divider:before,.day-divider:after{content:"";height:1px;background:var(--line);flex:1}.message.pending{opacity:.7}.message.failed{opacity:1}.pending-status{font-size:11px;color:var(--muted);display:flex;gap:10px;align-items:center;flex-wrap:wrap}.failed .pending-status{color:var(--danger)}.pending-status button{font-size:11px;color:var(--danger);background:none;text-decoration:underline;min-height:32px}.composer-area{position:relative;padding:12px 14px calc(12px + env(safe-area-inset-bottom));flex:none;max-height:55dvh}.composer{background:var(--surface);border:1px solid #d8dfd0;border-radius:12px;box-shadow:0 5px 24px #29452606;max-width:920px;margin:0 auto}.composer:focus-within{border-color:#8ca787;box-shadow:0 0 0 3px #adc3a612}.composer textarea{display:block;width:100%;min-height:73px;max-height:150px;border:0;background:transparent;padding:17px 17px 7px;line-height:1.7;font-size:14px;color:var(--ink);outline:none}.composer textarea::placeholder{color:#99a08f}.composer-toolbar{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:5px 10px 10px}.composer-tools{display:flex;gap:1px;align-items:center;color:#78886f}.composer-tools .icon-button{font-size:20px}.file-hint{display:none;font-size:10px;color:#919a86;padding-left:8px}.send-button{gap:17px;padding:10px 16px;min-width:88px;font-size:12px}.send-button>span:last-child{font-size:20px;font-weight:400;line-height:1}.composer-caption{display:flex;justify-content:space-between;max-width:920px;margin:10px auto 0;font-size:9px;letter-spacing:.2px;color:#909787;padding:0 2px}.keyboard-hint{display:none}.keyboard-hint b{padding:0 7px;font-weight:400}.reply-bar{background:#eff2e9;padding:10px 13px;border-radius:12px 12px 0 0;display:flex;gap:12px;align-items:center}.reply-bar>div{flex:1;min-width:0}.reply-bar small{font-size:10px;color:#687e5d}.reply-bar p{margin:5px 0 0;font-size:11px;color:#78816f;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reply-bar .icon-button{height:32px;min-width:32px}.upload-queue:empty{display:none}.upload-queue{display:flex;gap:8px;overflow-x:auto;max-height:125px;padding:12px 12px 0}.upload-item{border:1px solid var(--line);border-radius:7px;padding:8px;display:flex;align-items:center;gap:8px;min-width:200px;max-width:260px;background:var(--paper)}.upload-preview{width:40px;height:40px;object-fit:cover;border-radius:4px}.upload-info{min-width:0;flex:1}.upload-info strong{display:block;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}.upload-info small{display:block;font-size:9px;color:var(--muted);margin-top:5px}.upload-item.error .upload-info small{color:var(--danger)}.upload-item .icon-button{min-width:30px;width:30px;height:36px;font-size:19px}.upload-retry{background:none;font-size:10px;color:var(--danger);min-height:30px;padding:0}.upload-info progress{display:block;width:100%;height:3px;margin-top:6px;accent-color:var(--forest)}.unseen-button{position:absolute;top:-40px;left:50%;transform:translateX(-50%);z-index:5;white-space:nowrap;border:1px solid #a6b89c;background:var(--mint);color:var(--forest);padding:10px 18px;border-radius:22px;box-shadow:0 3px 16px #1b3b3112;font-size:12px}.drop-overlay{position:absolute;inset:3px 10px 22px;background:#e7f0e6f5;border:2px dashed #75946b;z-index:10;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;pointer-events:none}.drop-overlay span{font-size:12px;color:var(--muted)}.load-error{background:#fbede3;color:#84523c;padding:8px 20px;font-size:12px;display:flex;align-items:center;justify-content:space-between;gap:12px}.load-error button{min-height:32px;white-space:nowrap}.toast{position:fixed;z-index:100;bottom:30px;left:50%;transform:translateX(-50%);background:var(--forest-deep);color:#fffef7;box-shadow:0 4px 24px #163b3022;padding:13px 20px;border-radius:9px;max-width:calc(100% - 32px);font-size:12px;line-height:1.7}
dialog{border:1px solid var(--line);color:var(--ink);background:var(--surface);box-shadow:0 24px 100px #112f302b;border-radius:16px}dialog::backdrop{background:#102c25a6}.admin-dialog{width:min(480px,calc(100vw - 28px));max-height:calc(100dvh - 40px);padding:25px;overflow-y:auto}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.dialog-heading .eyebrow{font-size:8px;margin:0 0 10px}.dialog-heading h2{font-family:var(--serif);font-weight:500;font-size:25px;margin:0}.dialog-description{color:var(--muted);font-size:12px;line-height:1.8;margin:20px 0}.admin-dialog form .primary{margin-top:22px}.token-reveal{padding:15px;background:#eaf0e3;border-radius:9px;margin:16px 0}.token-reveal>strong{font-size:12px}.token-reveal p{font-size:11px;line-height:1.8;color:#67745e}.copy-row{display:flex;gap:7px}.copy-row input{min-width:0;font-family:monospace;font-size:11px}.admin-list-heading{border-top:1px solid var(--line);padding-top:22px;font-size:11px;color:var(--muted);margin-top:22px}.admin-member{display:flex;align-items:center;gap:10px;padding:11px 0;border-bottom:1px solid #eeefe7}.admin-member>div{flex:1;min-width:0}.admin-member strong{font-size:12px;overflow-wrap:anywhere}.admin-member small{display:block;font-size:10px;color:var(--muted);margin-top:4px}.revoke-button{font-size:11px;background:none;color:var(--danger);min-height:44px;min-width:44px}.lightbox{width:min(1100px,calc(100vw - 20px));padding:13px;background:#f4f4ed;max-height:calc(100dvh - 20px)}.lightbox-toolbar{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:12px}.lightbox-toolbar>span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lightbox-toolbar a{font-size:11px}.lightbox>img{display:block;max-width:100%;max-height:calc(100dvh - 120px);object-fit:contain;margin:auto}.highlight-message{background:#dce8d3;border-radius:9px;outline:8px solid #dce8d3}
@media(min-width:600px){.chat-header{padding:22px 28px;height:91px}.timeline{padding:26px 32px 14px}.composer-area{padding:16px 30px 18px}.file-hint,.keyboard-hint{display:inline}.empty-state{padding:0 35px}.empty-state h2{font-size:30px}.empty-state>p:not(.eyebrow){font-size:13px}.composer-caption{font-size:10px}.connection{font-size:11px}.header-subtitle{display:inline;font-size:12px;font-weight:400;color:#86907d;letter-spacing:.3px}.header-dot{display:inline;color:#a2ac96;padding:0 13px}.message>.avatar{height:37px;width:37px;font-size:14px}.message{gap:14px}.message-name{font-size:13px}.composer textarea{min-height:86px;font-size:14px}.room-intro{font-size:10px;letter-spacing:.8px}.intro-line{width:60px}}
@media(min-width:900px){.sidebar{position:relative;transform:none;width:252px;flex:none}.mobile-only{display:none!important}.chat-header{height:97px;padding:23px 39px}.timeline{padding:28px 40px 15px}.composer-area{padding:14px 40px 23px}.sidebar-brand{padding-top:4px;padding-bottom:45px}.empty-state{margin-top:clamp(35px,10vh,120px)}.chat-header h1{font-size:21px}.header-kicker{font-size:9px}.reply-button{opacity:0}.message:hover .reply-button,.message:focus-within .reply-button{opacity:1}.empty-state h2{font-size:32px}}
@media(min-width:1400px){.sidebar{width:278px;padding-right:23px;padding-left:23px}.chat-header{padding-left:55px;padding-right:55px}.timeline{padding-left:60px;padding-right:60px}.composer-area{padding-left:60px;padding-right:60px}.messages{max-width:920px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}