:root{--ink:#172033;--ink-2:#334155;--muted:#8c98aa;--line:#e8edf4;--bg:#f4f6fa;--paper:#fff;--blue:#355cf5;--blue-dark:#2448db;--blue-soft:#eef2ff;--mint:#d9f6ec;--mint-ink:#178366;--amber:#fff0d8;--amber-ink:#af6d21;--violet:#eee6ff;--violet-ink:#7651bd;--danger:#d85d67}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:'DM Sans','Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit}button{cursor:pointer;border:0}.shell{display:flex;height:100vh;overflow:hidden}.sidebar{width:264px;background:#fff;border-right:1px solid var(--line);padding:25px 18px 18px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:11px}.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,#4268ff,#6c7eff);color:#fff;display:grid;place-items:center;font-size:17px;box-shadow:0 7px 16px #4268ff2e}.brand strong{display:block;color:#1b2538;font-size:15px}.brand span{display:block;color:#a0aaba;font-size:11px;margin-top:3px}.nav-label{font-size:10px;letter-spacing:1.7px;color:#aeb7c5;font-weight:700;margin:46px 11px 11px}.nav-item{background:transparent;color:#748198;width:100%;text-align:left;padding:12px 13px;border-radius:8px;margin-bottom:5px;display:flex;align-items:center;gap:11px;font-size:13px;transition:.18s}.nav-item:hover{background:#f4f6fa;color:var(--ink-2)}.nav-item.active{background:var(--blue-soft);color:var(--blue);font-weight:600}.nav-item b{margin-left:auto;background:#f05b67;color:#fff;border-radius:99px;font-size:10px;padding:2px 6px}.icon{width:17px;height:17px;display:inline-block;position:relative;flex:none}.icon-plus:before,.icon-plus:after{content:'';position:absolute;background:currentColor;left:3px;right:3px;top:8px;height:1.5px}.icon-plus:after{top:3px;bottom:3px;left:8px;width:1.5px;height:auto}.icon-link:before{content:'↗';font-size:18px;position:absolute;top:-4px}.icon-inbox:before{content:'▣';font-size:16px;position:absolute;top:-2px}.icon-image:before{content:'▧';font-size:18px;position:absolute;top:-3px}.icon-send:before{content:'➤';font-size:15px;position:absolute;top:-2px}.icon-copy:before{content:'⧉';font-size:16px;position:absolute;top:-3px}.icon-qr:before{content:'▦';font-size:17px;position:absolute;top:-3px}.icon-chevron:before{content:'⌄';font-size:14px}.icon-lock:before{content:'⌑';font-size:15px}.sidebar-bottom{margin-top:auto;border-top:1px solid var(--line);padding:18px 7px 0;display:flex;align-items:center;gap:10px}.sidebar-bottom strong{font-size:12px}.sidebar-bottom span{font-size:11px;color:#25aa79}.agent-avatar{width:32px;height:32px;border-radius:50%;background:var(--amber);color:var(--amber-ink);display:grid;place-items:center;font-weight:700}.more{margin-left:auto;background:none;color:#a0aaba;letter-spacing:2px}.main{flex:1;min-width:0;display:flex;flex-direction:column}.topbar{height:112px;background:#fff;border-bottom:1px solid var(--line);padding:26px 40px;display:flex;align-items:center;justify-content:space-between}.eyebrow,.modal-kicker{font-size:10px;letter-spacing:1.7px;color:#a4afbf;font-weight:700}.topbar h1{font-size:26px;margin:7px 0 0;letter-spacing:-.6px;color:#182338}.primary{background:var(--blue);color:#fff;border-radius:8px;padding:11px 16px;font-weight:600;font-size:13px;display:inline-flex;align-items:center;gap:8px;box-shadow:0 6px 16px #355cf52e;transition:.18s}.primary:hover{background:var(--blue-dark);transform:translateY(-1px)}.workspace{display:flex;flex:1;min-height:0;padding:22px 24px 24px;gap:18px}.conversation-list{width:360px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:auto;box-shadow:0 4px 16px #23345c08}.list-head{height:73px;padding:23px 22px 14px;display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid #f0f2f6}.list-head strong{font-size:14px;color:#243148}.list-head span{font-size:11px;color:var(--muted);margin-left:8px}.filter{background:#f7f8fb;color:#748198;font-size:11px;border-radius:6px;padding:6px 8px}.conversation{width:100%;padding:16px 17px;display:flex;gap:11px;text-align:left;background:transparent;border-left:3px solid transparent;align-items:center;transition:.18s}.conversation:hover{background:#fafbfe}.conversation.selected{background:#f3f6ff;border-left-color:var(--blue)}.avatar{width:39px;height:39px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:14px;flex:none}.avatar.teal{background:var(--mint);color:var(--mint-ink)}.avatar.orange{background:var(--amber);color:var(--amber-ink)}.avatar.purple{background:var(--violet);color:var(--violet-ink)}.avatar.big{width:49px;height:49px}.conv-copy{min-width:0;flex:1}.conv-copy>div{display:flex;justify-content:space-between;gap:8px}.conv-copy strong{font-size:13px;color:#253148}.conv-copy time{font-size:10px;color:#a4adba;white-space:nowrap}.conv-copy p{margin:5px 0 0;color:#8995a6;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conversation em{font-style:normal;background:#f05b67;color:#fff;border-radius:50%;font-size:10px;min-width:18px;height:18px;display:grid;place-items:center}.empty-list{margin:80px 28px;text-align:center;color:#95a0b0}.empty-list .empty-icon{font-size:38px;color:#d6ddea}.empty-list strong{display:block;color:#455167;font-size:14px;margin-top:10px}.empty-list p{font-size:12px;line-height:1.65;margin:8px 0 17px}.chat-panel{flex:1;display:flex;flex-direction:column;min-width:0;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 4px 16px #23345c08}.blank-chat{margin:auto;text-align:center;color:#a0abbb}.blank-mark{width:55px;height:55px;background:var(--blue-soft);color:var(--blue);border-radius:17px;display:grid;place-items:center;font-size:24px;margin:0 auto 16px}.blank-chat h2{font-size:16px;color:#4b576b;margin:0 0 7px}.blank-chat p{font-size:12px}.chat-head{height:79px;border-bottom:1px solid var(--line);padding:16px 25px;display:flex;align-items:center;gap:11px}.chat-head h2{font-size:15px;margin:0 0 5px;color:#243148}.chat-head span{font-size:11px;color:#99a4b4}.head-actions{margin-left:auto;display:flex;gap:7px}.ghost{background:#fff;border:1px solid #e3e8f0;border-radius:7px;padding:8px 11px;font-size:11px;color:#647289;display:flex;align-items:center;gap:6px;transition:.18s}.ghost:hover{border-color:#cbd5e4;background:#fafbfe}.ghost.danger{color:var(--danger)}.chat-messages,.customer-messages{flex:1;overflow:auto;padding:27px 8%;background:linear-gradient(180deg,#fbfcff,#f9fbfe)}.msg-row{display:flex;margin:9px 0}.msg-row.in{justify-content:flex-start}.msg-row.out{justify-content:flex-end}.msg-bubble{max-width:min(480px,75%);padding:11px 14px;border-radius:13px;background:#edf1f6;color:#3e4858;font-size:13px;line-height:1.55;position:relative;box-shadow:0 2px 5px #283c6308}.msg-row.out .msg-bubble{background:var(--blue);color:#fff;border-bottom-right-radius:4px;box-shadow:0 5px 12px #355cf52b}.msg-row.in .msg-bubble{border-bottom-left-radius:4px}.msg-bubble time{font-size:9px;opacity:.55;display:block;margin-top:6px}.msg-bubble img{display:block;max-width:260px;max-height:260px;border-radius:9px}.chat-empty{text-align:center;margin-top:22%;color:#b2bbc7}.chat-empty div{font-size:25px;color:#d5dce6}.chat-empty p{margin:8px 0 5px;font-size:13px;color:#8894a5}.chat-empty span{font-size:11px}.composer,.customer-composer{border-top:1px solid var(--line);padding:15px 22px;display:flex;align-items:flex-end;gap:11px;background:#fff}.composer textarea,.customer-composer textarea{resize:none;border:1px solid #edf0f5;border-radius:8px;background:#fafbfc;outline:0;flex:1;height:42px;line-height:1.5;font-size:13px;color:var(--ink);padding:10px 12px;transition:.18s}.composer textarea:focus,.customer-composer textarea:focus{border-color:#b9c7ff;background:#fff;box-shadow:0 0 0 3px #355cf512}.composer textarea::placeholder,.customer-composer textarea::placeholder{color:#adb6c2}.attach{width:34px;height:34px;display:grid;place-items:center;color:#8b98aa;cursor:pointer;border-radius:7px;transition:.18s}.attach:hover{background:#f2f5fa;color:var(--blue)}.attach input{display:none}.send{width:37px;height:37px;background:var(--blue);color:#fff;border-radius:8px;display:grid;place-items:center;box-shadow:0 5px 12px #355cf530;transition:.18s}.send:hover{background:var(--blue-dark);transform:translateY(-1px)}.modal-backdrop{position:fixed;inset:0;background:#14213b73;backdrop-filter:blur(3px);display:grid;place-items:center;z-index:5}.modal{width:410px;background:#fff;border-radius:14px;padding:31px;box-shadow:0 24px 70px #182b4a38;position:relative}.modal-close{position:absolute;right:16px;top:13px;background:none;color:#9ba6b4;font-size:23px}.modal h2{font-size:21px;margin:8px 0;color:#1e2b42}.modal-desc{font-size:12px;color:#8a96a6;margin:0 0 23px;line-height:1.6}.modal label{display:block;font-size:11px;color:#687588;margin:15px 0}.modal input{display:block;width:100%;margin-top:7px;border:1px solid #dfe5ed;border-radius:7px;padding:11px 12px;outline:none;font-size:13px;transition:.18s}.modal input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #355cf512}.wide{width:100%;justify-content:center;margin-top:14px}.qr-modal{text-align:center}.qr-box{width:244px;height:244px;margin:18px auto;padding:2px;border:1px solid var(--line);border-radius:8px}.qr-box img{width:100%;height:100%;border-radius:5px}.qr-url{font-size:11px;color:#8995a5;word-break:break-all;margin:12px 0}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#242e3b;color:#fff;padding:10px 16px;border-radius:7px;font-size:12px;z-index:20;box-shadow:0 8px 25px #18202d38}.customer-page{min-height:100vh;background:linear-gradient(135deg,#f4f7ff,#f7fafb)}.customer-top{height:72px;background:#fff;border-bottom:1px solid var(--line);padding:0 max(20px,calc((100% - 860px)/2));display:flex;align-items:center;justify-content:space-between}.online-dot{font-size:11px;color:#1ba66e}.online-dot:before{content:'';display:inline-block;width:7px;height:7px;background:#28c481;border-radius:50%;margin-right:5px}.customer-chat{max-width:860px;height:calc(100vh - 72px);margin:auto;background:#fff;display:flex;flex-direction:column;box-shadow:0 0 32px #20304b0a}.customer-intro{padding:29px 34px;border-bottom:1px solid var(--line);display:flex;gap:13px;align-items:center}.customer-intro h1{font-size:17px;margin:0 0 5px;color:#253148}.customer-intro p{font-size:12px;color:#909baa;margin:0}.customer-messages{padding:25px 9%}.secure-note{text-align:center;color:#a8b1bd;font-size:10px;padding:10px}.secure-note .icon{width:12px;height:12px;vertical-align:-2px}@media(max-width:900px){.workspace{padding:16px;gap:12px}.conversation-list{width:320px}.topbar{padding:24px 27px}}@media(max-width:780px){.sidebar{display:none}.topbar{padding:20px;height:90px}.topbar h1{font-size:20px}.workspace{display:block;padding:12px}.conversation-list{width:100%;height:calc(100vh - 114px)}.chat-panel{display:none}.customer-chat{height:calc(100vh - 72px)}.customer-intro{padding:22px}.customer-messages{padding:18px 16px}.composer,.customer-composer{padding:12px 15px}.msg-bubble{max-width:85%}.modal{width:calc(100% - 32px)}}
/* WeChat client overrides */
.wechat-back,.wechat-menu{display:none}
@media(max-width:780px){.customer-page{background:#ededed}.customer-top{height:50px;padding:0 13px;background:#07c160;border-bottom:0;color:#fff;position:relative}.customer-top strong{position:absolute;left:50%;transform:translateX(-50%);font-size:16px;font-weight:500}.wechat-back,.wechat-menu{display:block;background:transparent;color:#fff;font-size:28px;line-height:1;padding:0;width:30px}.wechat-menu{font-size:18px;letter-spacing:2px;text-align:right}.customer-chat{height:calc(100vh - 50px);max-width:none;background:#ededed;box-shadow:none}.customer-messages{padding:14px 12px 8px;background:#ededed}.customer-composer{padding:8px 9px calc(8px + env(safe-area-inset-bottom));background:#f7f7f7;border-top:1px solid #d9d9d9;gap:7px}.customer-composer textarea{height:36px;min-height:36px;border:1px solid #d7d7d7;border-radius:5px;background:#fff;padding:7px 9px;font-size:14px}.customer-composer .attach{width:34px;height:36px}.customer-composer .send{height:36px;width:39px;border-radius:5px}.customer-messages .msg-row{margin:10px 0}.customer-messages .msg-bubble{font-size:15px;line-height:1.45;padding:9px 11px;border-radius:5px;box-shadow:none}.customer-messages .msg-row.in .msg-bubble{background:#fff;border:1px solid #e7e7e7}.customer-messages .msg-row.out .msg-bubble{background:#95ec69;color:#1b2b16;border:1px solid #82da58;box-shadow:none}.customer-messages .msg-bubble time{font-size:9px;color:#909090;opacity:.7}.customer-messages .msg-row.out .msg-bubble time{color:#507346}.customer-messages .msg-bubble img{max-width:210px;max-height:210px}.chat-empty{margin-top:35%;color:#a0a0a0}.chat-empty div{color:#b8b8b8}.chat-empty p{color:#888}.modal{width:calc(100% - 32px);padding:25px 22px}}