:root{--bg: #eef1f6;--panel: #ffffff;--border: #e3e8ef;--text: #1f2937;--muted: #8a94a6;--primary: #3b82f6;--primary-strong: #2563eb;--primary-soft: #eff6ff;--danger: #ef4444;--ok: #10b981;--warn: #f59e0b;--radius: 10px;--shadow: 0 1px 3px rgba(16, 24, 40, .08)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:14px;color:var(--text);background:var(--bg)}button{font-family:inherit}.btn{border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:8px;padding:7px 14px;cursor:pointer;transition:all .15s}.btn:hover{border-color:var(--primary);color:var(--primary-strong)}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-strong);color:#fff}.btn.primary:disabled{opacity:.45;cursor:not-allowed}.btn.ghost{background:transparent;border-color:transparent;color:var(--muted)}.btn.ghost:hover{color:var(--primary-strong);border-color:var(--border)}.btn.sm{padding:4px 10px;font-size:12px}.btn.block{width:100%}.muted{color:var(--muted)}.widget{max-width:680px;height:100vh;height:100dvh;margin:0 auto;display:flex;flex-direction:column;background:var(--panel);box-shadow:var(--shadow)}.widget-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);background:linear-gradient(135deg,var(--primary),#6366f1);color:#fff}.widget-title{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:600}.widget-title .chip{color:#fff;background:#fff3;border:none}.widget-title~.btn.ghost{color:#ffffffd9}.widget-header .btn.ghost:hover{color:#fff;border-color:#fff6}.msg-list{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;background:var(--bg)}.load-earlier{align-self:center;border:1px solid var(--border);background:var(--panel);color:var(--muted);border-radius:999px;padding:4px 14px;font-size:12px;cursor:pointer}.load-earlier:hover{color:var(--primary-strong);border-color:var(--primary)}.empty-hint{text-align:center;color:var(--muted);padding:24px 0}.empty-hint.full{margin:auto}.bubble-row{display:flex;gap:8px;align-items:flex-end}.bubble-row.mine{flex-direction:row-reverse}.bubble-wrap{max-width:72%;display:flex;flex-direction:column;gap:4px}.bubble-row.mine .bubble-wrap{align-items:flex-end}.bubble{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:8px 12px;box-shadow:var(--shadow);overflow:hidden}.bubble.mine{background:linear-gradient(135deg,var(--primary),var(--primary-strong));border-color:var(--primary-strong);color:#fff}.bubble.failed{border-color:var(--danger)}.bubble-text{white-space:pre-wrap;word-break:break-word;line-height:1.5}.bubble-img{max-width:220px;max-height:220px;border-radius:8px;display:block;cursor:zoom-in}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000c7;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:1000;cursor:zoom-out;padding:24px;animation:lightbox-in .15s ease-out}@keyframes lightbox-in{0%{opacity:0}to{opacity:1}}.lightbox img{max-width:92vw;max-height:88vh;border-radius:8px;box-shadow:0 12px 48px #00000073;cursor:default}.lightbox-name{color:#fffc;margin-top:12px;font-size:13px;max-width:80vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bubble-meta{display:flex;gap:8px;align-items:center;margin-top:4px;font-size:11px;opacity:.75}.pending-flag{color:var(--warn)}.pending-flag.error{color:var(--danger);font-weight:600}.bubble-actions{display:flex;gap:6px}.bubble-actions button{border:1px solid var(--border);background:var(--panel);border-radius:6px;font-size:12px;padding:2px 10px;cursor:pointer}.bubble-actions button:first-child{color:var(--primary-strong);border-color:var(--primary)}.resolved-bar{display:flex;align-items:center;justify-content:center;gap:12px;padding:8px 16px;background:#fef3c7;color:#92400e;font-size:13px}.composer{display:flex;gap:8px;align-items:flex-end;padding:12px 16px;border-top:1px solid var(--border);background:var(--panel)}.composer textarea{flex:1;resize:none;border:1px solid var(--border);border-radius:8px;padding:9px 12px;font-family:inherit;font-size:14px;height:42px;max-height:120px;outline:none}.composer textarea:focus{border-color:var(--primary)}.icon-btn{border:1px solid var(--border);border-radius:8px;padding:9px 12px;cursor:pointer;color:var(--muted);-webkit-user-select:none;user-select:none}.icon-btn:hover{color:var(--primary-strong);border-color:var(--primary)}.widget-error{margin:auto;text-align:center;display:flex;flex-direction:column;gap:12px}.chip{display:inline-block;padding:1px 8px;border-radius:999px;font-size:11px;border:1px solid transparent;line-height:18px}.chip.open{background:#ecfdf5;color:#047857}.chip.pending{background:#fffbeb;color:#b45309}.chip.resolved{background:#f1f5f9;color:#64748b}.badge{background:var(--danger);color:#fff;font-size:11px;min-width:18px;height:18px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;padding:0 5px;flex-shrink:0}.mgr{height:100vh;display:flex;flex-direction:column}.mgr-topbar{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 20px;background:#111827;color:#fff;flex-shrink:0}.mgr-brand{font-weight:600;font-size:15px}.mgr-topbar-right{display:flex;align-items:center;gap:12px}.mgr-topbar-right .muted{color:#9ca3af}.mgr-topbar-right select{border:1px solid #374151;background:#1f2937;color:#fff;border-radius:6px;padding:5px 10px;outline:none}.mgr-topbar .btn.ghost{color:#9ca3af}.mgr-topbar .btn.ghost:hover{color:#fff;border-color:#374151}.mgr-app-name{font-weight:500}.mgr-grid{flex:1;display:grid;grid-template-columns:320px 1fr;min-height:0}.mgr-side{border-right:1px solid var(--border);background:var(--panel);display:flex;flex-direction:column;min-height:0}.mgr-filters{display:flex;gap:4px;padding:10px;border-bottom:1px solid var(--border)}.filter-tab{flex:1;border:1px solid var(--border);background:var(--panel);border-radius:6px;padding:5px 0;font-size:12px;color:var(--muted);cursor:pointer}.filter-tab.active{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-strong);font-weight:600}.conv-list{flex:1;overflow-y:auto;min-height:0}.conv-item{padding:10px 14px;border-bottom:1px solid #f1f5f9;cursor:pointer;display:flex;flex-direction:column;gap:5px}.conv-item:hover{background:#f8fafc}.conv-item.active{background:var(--primary-soft);box-shadow:inset 3px 0 0 var(--primary)}.conv-item.high .conv-name:before{content:"!";background:var(--danger);color:#fff;font-size:10px;border-radius:4px;padding:0 4px;margin-right:6px}.conv-top{display:flex;justify-content:space-between;align-items:center}.conv-name{font-weight:600;font-size:13px}.conv-time{font-size:11px;color:var(--muted)}.conv-mid{display:flex;justify-content:space-between;align-items:center;gap:8px}.conv-preview{color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv-bottom{display:flex;justify-content:space-between;align-items:center}.conv-uid{font-size:11px;color:var(--muted);max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mgr-main{display:flex;flex-direction:column;min-height:0;min-width:0}.pane-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;background:var(--panel);border-bottom:1px solid var(--border);flex-shrink:0;flex-wrap:wrap}.contact-info{display:flex;flex-direction:column;gap:2px;font-size:13px}.contact-info strong{font-size:15px}.conv-actions{display:flex;align-items:center;gap:10px}.conv-actions select{border:1px solid var(--border);border-radius:8px;padding:6px 10px;background:var(--panel);outline:none}.assignee{display:inline-flex;align-items:center;gap:6px}.mgr .msg-list{flex:1;min-height:0}.mgr .composer{flex-shrink:0}.toast{position:fixed;top:64px;right:20px;background:#111827;color:#fff;border-radius:8px;padding:10px 16px;font-size:13px;box-shadow:0 8px 24px #0003;cursor:pointer;z-index:99}.mgr-login-wrap{height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e293b,#334155)}.mgr-login{width:340px;background:var(--panel);border-radius:14px;padding:32px 28px;display:flex;flex-direction:column;gap:12px;box-shadow:0 16px 48px #00000040}.mgr-login h1{margin:0;font-size:20px}.mgr-login p{margin:0 0 8px;font-size:12px}.mgr-login input{border:1px solid var(--border);border-radius:8px;padding:10px 12px;font-size:14px;outline:none}.mgr-login input:focus{border-color:var(--primary)}.form-error{color:var(--danger);font-size:12px}@media (max-width: 640px){.widget{max-width:100%;box-shadow:none}.widget-header{padding:10px 12px}.widget-title{font-size:15px}.msg-list{padding:12px 10px;gap:10px}.bubble-wrap{max-width:84%}.bubble-img{max-width:170px;max-height:170px}.composer{padding:8px 10px;padding-bottom:calc(8px + env(safe-area-inset-bottom));gap:6px}.icon-btn,.composer .btn{padding:8px 10px}.lightbox{padding:8px}.composer textarea,.mgr-login input,.conv-actions select,.mgr-topbar-right select{font-size:16px}.composer textarea{height:38px;max-height:110px}}.widget{border:1px solid #eef0f5;border-radius:18px;overflow:hidden;box-shadow:0 10px 44px #173a6e17}.widget-header{padding:14px 16px;background:linear-gradient(135deg,#4d7cff,#8b5cf6);border:none}.widget-header-main{display:flex;align-items:center;gap:12px;flex:1;min-width:0}.header-actions{display:flex;align-items:center;gap:2px}.header-avatar{width:38px;height:38px;border-radius:12px;background:#ffffff2e;color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}.header-avatar svg{width:20px;height:20px}.header-text{display:flex;flex-direction:column;gap:2px;min-width:0}.widget-title{display:flex;align-items:center;gap:7px;font-size:15px;font-weight:600;color:#fff}.header-dot{width:7px;height:7px;border-radius:50%;background:#4ade80;box-shadow:0 0 0 3px #4ade8040}.header-sub{font-size:12px;color:#ffffffbf;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.widget .msg-list{background:#f6f7fb;padding:16px 14px;gap:14px}.widget .bubble-row{animation:msg-in .18s ease-out}@keyframes msg-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.widget .bubble{border:none;border-radius:16px;padding:10px 13px;box-shadow:0 1px 2px #173a6e0f}.widget .bubble:not(.mine){background:#fff;border-top-left-radius:4px}.widget .bubble.mine{background:linear-gradient(135deg,#4d7cff,#7c5cff);border-top-right-radius:4px;box-shadow:0 4px 14px #5d6eff47}.widget .bubble.failed{box-shadow:inset 0 0 0 1.5px var(--danger),0 1px 2px #173a6e0f}.widget .bubble-meta{font-size:11px;margin-top:5px;opacity:1}.widget .bubble:not(.mine) .bubble-meta{color:#9aa3b2}.widget .bubble.mine .bubble-meta{color:#ffffffd1}.widget .bubble.mine .pending-flag{color:#ffe08a}.widget .bubble.mine .pending-flag.error{color:#ffd2d2}.read-flag{font-weight:600}.read-flag.read{color:#a7f3d0}.read-flag.unread{color:#ffffffa6}.widget .load-earlier{background:transparent;border:none;color:#9aa3b2;padding:4px 12px}.widget .load-earlier:hover{color:#4d7cff}.widget .empty-hint{display:flex;flex-direction:column;align-items:center;gap:4px;padding:40px 0;margin:auto 0;color:#9aa3b2}.widget .empty-hint p{margin:10px 0 0;font-size:15px;font-weight:600;color:#3d4757}.widget .empty-hint span{font-size:12px}.empty-icon{width:56px;height:56px;border-radius:18px;background:#e9edff;color:#4d7cff;display:flex;align-items:center;justify-content:center}.empty-icon svg{width:26px;height:26px}.widget .resolved-bar{background:#ecfdf5;color:#0f9d6f;border-top:1px solid #d9f5e8;padding:9px 16px}.widget .resolved-bar .btn.primary{background:#0f9d6f;border-color:#0f9d6f}.widget .composer{border-top:1px solid #eef0f5;padding:10px 12px;background:#fff;gap:8px;align-items:center}.widget .composer textarea{background:#f2f4f8;border:1px solid transparent;border-radius:14px;padding:10px 14px;height:42px;transition:border-color .15s,background .15s}.widget .composer textarea:focus{background:#fff;border-color:#4d7cff}.widget .icon-btn{width:42px;height:42px;padding:0;border:none;border-radius:13px;background:#f2f4f8;color:#5b6472;display:flex;align-items:center;justify-content:center;flex-shrink:0}.widget .icon-btn svg{width:20px;height:20px}.widget .icon-btn:hover{background:#e9edff;color:#4d7cff}.btn-send{width:42px;height:42px;border-radius:13px;border:none;background:linear-gradient(135deg,#4d7cff,#7c5cff);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;box-shadow:0 4px 12px #5d6eff59;transition:opacity .15s,transform .1s}.btn-send:active:not(:disabled){transform:scale(.94)}.btn-send:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}.btn-send svg{width:18px;height:18px}@media (max-width: 640px){.widget{border-radius:0;border:none;box-shadow:none}.widget .composer{padding-bottom:calc(8px + env(safe-area-inset-bottom))}.header-actions .btn{padding:4px 8px}}.mgr .msg-list{background:#f6f7fb;padding:16px 18px;gap:14px}.mgr .bubble-row{animation:msg-in .18s ease-out}.mgr .bubble{border:none;border-radius:16px;padding:10px 13px;box-shadow:0 1px 2px #173a6e0f}.mgr .bubble:not(.mine){background:#fff;border-top-left-radius:4px}.mgr .bubble.mine{background:linear-gradient(135deg,#4d7cff,#7c5cff);border-top-right-radius:4px;box-shadow:0 4px 14px #5d6eff47}.mgr .bubble.failed{box-shadow:inset 0 0 0 1.5px var(--danger),0 1px 2px #173a6e0f}.mgr .bubble-meta{font-size:11px;margin-top:5px;opacity:1}.mgr .bubble:not(.mine) .bubble-meta{color:#9aa3b2}.mgr .bubble.mine .bubble-meta{color:#ffffffd1}.mgr .bubble.mine .pending-flag{color:#ffe08a}.mgr .bubble.mine .pending-flag.error{color:#ffd2d2}.mgr .composer textarea{background:#f2f4f8;border:1px solid transparent;border-radius:14px;transition:border-color .15s,background .15s}.mgr .composer textarea:focus{background:#fff;border-color:#4d7cff}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#1118278c;display:flex;align-items:center;justify-content:center;z-index:200;padding:20px;animation:lightbox-in .15s ease-out}.modal-card{width:560px;max-width:100%;max-height:88vh;display:flex;flex-direction:column;background:var(--panel);border-radius:16px;box-shadow:0 24px 64px #0000004d;overflow:hidden}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border);font-size:15px;flex-shrink:0}.modal-body{padding:16px 20px;overflow-y:auto;display:flex;flex-direction:column;gap:18px}.modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:12px 20px;border-top:1px solid var(--border);background:#fafbfd;flex-shrink:0}.modal-footer .form-error{margin-right:auto}.field{display:flex;flex-direction:column;gap:6px}.field>label{font-size:13px;font-weight:600}.field-hint{margin:0;font-size:12px;color:var(--muted)}.field textarea,.field input{border:1px solid var(--border);border-radius:8px;padding:8px 10px;font-family:inherit;font-size:14px;line-height:1.5;outline:none;resize:vertical;width:100%}.field textarea:focus,.field input:focus{border-color:var(--primary)}.rule-list{display:flex;flex-direction:column;gap:10px}.rule-row{display:grid;grid-template-columns:150px 1fr auto;gap:8px;align-items:start;padding:10px;border:1px solid var(--border);border-radius:10px;background:#fafbfd}.rule-row textarea{min-height:38px}.rule-remove{margin-top:2px}@media (max-width: 640px){.modal-overlay{padding:10px;align-items:flex-end}.modal-card{width:100%;max-height:92dvh;border-radius:16px 16px 0 0}.field textarea,.field input{font-size:16px}.rule-row{grid-template-columns:1fr auto}.rule-row textarea{grid-column:1 / -1}}