/* ============ 客服工作台 - 扁平化现代 UI ============ */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --c:#4f6ef7; --c-dark:#3d5ae0; --bg:#f4f6fb; --line:#e8ecf4;
  --txt:#23293a; --txt2:#7b8398; --danger:#ff4d5e; --ok:#22c07d;
}
html,body{height:100%}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--txt);font-size:14px;overflow:hidden}
.hidden{display:none!important}
button{font-family:inherit}
input,textarea,select{font-family:inherit;font-size:14px;color:var(--txt)}

/* ---------- 按钮 ---------- */
.btn{border:none;border-radius:9px;padding:10px 20px;font-size:14px;font-weight:500;cursor:pointer;transition:.15s;background:#eceff6;color:var(--txt)}
.btn:hover{filter:brightness(.96)}
.btn.primary{background:var(--c);color:#fff}
.btn.primary:hover{background:var(--c-dark)}
.btn.ghost{background:none;border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--c);color:var(--c);filter:none}
.btn.danger-ghost{background:none;border:1px solid #ffd3d7;color:var(--danger)}
.btn.danger-ghost:hover{background:#fff2f3;border-color:var(--danger);filter:none}
.btn.small{padding:6px 12px;font-size:12.5px;border-radius:7px}
.btn.block{width:100%}
.btn:disabled{opacity:.55;cursor:default}
.icon-btn{width:38px;height:38px;border:none;background:none;border-radius:9px;cursor:pointer;color:var(--txt2);display:flex;align-items:center;justify-content:center}
.icon-btn:hover{background:#eff2f9;color:var(--c)}
.icon-btn svg{width:19px;height:19px;fill:currentColor}

/* ---------- 登录 ---------- */
.login-wrap{height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#eef1ff 0%,#f7f8fd 50%,#eefaf4 100%)}
.login-card{width:400px;background:#fff;border-radius:18px;padding:42px 40px;box-shadow:0 20px 60px rgba(60,80,180,.12);text-align:center}
.login-logo{width:64px;height:64px;margin:0 auto 14px;border-radius:18px;background:var(--c);display:flex;align-items:center;justify-content:center}
.login-logo svg{width:34px;height:34px;fill:#fff}
.login-card h1{font-size:21px;margin-bottom:6px}
.login-card .sub{color:var(--txt2);margin-bottom:26px}
.login-card label{display:block;text-align:left;margin-bottom:16px;font-size:13px;color:var(--txt2)}
.login-card input{width:100%;height:44px;border:1.5px solid var(--line);border-radius:10px;padding:0 14px;margin-top:6px;outline:none;transition:border .15s;background:#fafbfe}
.login-card input:focus{border-color:var(--c);background:#fff}
.login-foot{margin-top:18px;font-size:13px}
.login-foot a{color:var(--c);text-decoration:none}

/* ---------- 表单通用 ---------- */
label input,label select,label textarea{display:block;width:100%;min-height:40px;border:1.5px solid var(--line);border-radius:9px;padding:8px 12px;margin-top:6px;outline:none;background:#fafbfe;transition:border .15s}
label textarea{resize:vertical;line-height:1.5}
label input:focus,label textarea:focus,label select:focus{border-color:var(--c);background:#fff}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.row2{display:flex;gap:14px;align-items:flex-start}
.err{color:var(--danger);font-size:13px;min-height:18px;margin:4px 0}
.ok{color:var(--ok);font-size:13px;margin:4px 0}
.tip{color:var(--txt2);font-size:13px;line-height:1.6;margin-bottom:14px}
code{font-family:Consolas,monospace;background:#f2f4fa;padding:2px 6px;border-radius:5px;font-size:12.5px}

/* ---------- 弹窗 ---------- */
.modal{position:fixed;inset:0;background:rgba(25,30,45,.45);z-index:200;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(2px)}
.modal-box{width:480px;max-width:94vw;max-height:92vh;overflow-y:auto;background:#fff;border-radius:16px;padding:28px}
.modal-box h3{font-size:17px;margin-bottom:14px}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}

/* ---------- Toast / 灯箱 ---------- */
.toast{position:fixed;top:24px;left:50%;transform:translate(-50%,-80px);background:#282e40;color:#fff;padding:11px 22px;border-radius:10px;z-index:300;font-size:13.5px;transition:transform .3s ease;box-shadow:0 8px 30px rgba(0,0,0,.25)}
.toast.show{transform:translate(-50%,0)}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.78);z-index:250;display:none;align-items:center;justify-content:center;cursor:zoom-out}
.lightbox img{max-width:92%;max-height:92%;border-radius:8px}

/* ---------- 布局 ---------- */
.app{display:flex;height:100vh}
.side{width:212px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;flex-shrink:0}
.brand{display:flex;align-items:center;gap:10px;padding:20px 18px;font-weight:600;font-size:15.5px}
.brand-logo{width:32px;height:32px;border-radius:9px;background:var(--c);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-logo svg{width:18px;height:18px;fill:#fff}
nav{flex:1;padding:6px 12px;display:flex;flex-direction:column;gap:4px}
nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;color:var(--txt2);text-decoration:none;font-weight:500;position:relative}
nav a svg{width:17px;height:17px;fill:currentColor}
nav a:hover{background:#f2f5fc;color:var(--txt)}
nav a.active{background:var(--c);color:#fff}
.nav-badge{position:absolute;right:10px;background:#ff4d4f;color:#fff;font-size:11px;min-width:19px;height:19px;line-height:19px;text-align:center;border-radius:10px;padding:0 5px}
.me{padding:14px;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px}
.me-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#6a8bff,var(--c));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;cursor:pointer;flex-shrink:0}
.me-info{flex:1;min-width:0}
.me-info b{display:block;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}
.me-info small{color:var(--txt2);font-size:11.5px}
.main{flex:1;overflow:hidden;display:flex;min-height:0}
.pane{flex:1;overflow:hidden;display:none;min-height:0}
.pane.active{display:flex}

/* ---------- 对话视图 ---------- */
.chats-pane .conv-list{width:280px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;flex-shrink:0}
.conv-filter{padding:12px;display:flex;gap:8px;border-bottom:1px solid var(--line)}
.chip{flex:1;border:none;background:#f1f3f9;border-radius:8px;padding:7px 0;font-size:12.5px;color:var(--txt2);cursor:pointer;font-weight:500}
.chip.active{background:var(--c);color:#fff}
.conv-items{flex:1;overflow-y:auto}
.conv-item{padding:12px 14px;display:flex;gap:10px;cursor:pointer;border-bottom:1px solid #f2f4f9}
.conv-item:hover{background:#f7f9fe}
.conv-item.active{background:#eef2ff}
.conv-item .ava{width:40px;height:40px;border-radius:50%;background:#dde3f0;color:#5b6478;display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0;position:relative}
.conv-item.unread .ava::after{content:'';position:absolute;top:-2px;right:-2px;width:10px;height:10px;border-radius:50%;background:#ff4d4f;border:2px solid #fff}
.conv-item .mid{flex:1;min-width:0}
.conv-item .nm{display:flex;justify-content:space-between;font-size:13.5px;font-weight:600}
.conv-item .nm time{font-weight:400;color:#aab1c3;font-size:11.5px}
.conv-item .pv{color:var(--txt2);font-size:12.5px;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conv-item .badge{background:#ff4d4f;color:#fff;font-size:11px;min-width:18px;height:18px;line-height:18px;text-align:center;border-radius:9px;padding:0 5px;flex-shrink:0}
.conv-item{position:relative}
.conv-item .ops{position:absolute;right:8px;bottom:6px;display:none;gap:6px}
.conv-item:hover .ops{display:flex}
.conv-item .ops button{border:1px solid var(--line);background:#fff;color:var(--txt2);font-size:11px;line-height:1;padding:3px 6px;border-radius:5px;cursor:pointer}
.conv-item .ops button:hover{color:#c0392b;border-color:#f0b4ab}
.notify-box{position:fixed;right:20px;bottom:20px;z-index:320;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.notify-item{background:#fff;border:1px solid var(--line);border-left:4px solid #4361ee;border-radius:10px;box-shadow:0 10px 30px rgba(20,30,60,.18);padding:10px 14px;min-width:220px;max-width:300px;cursor:pointer;animation:nfIn .25s ease,nfShake .6s ease .25s 2}
.notify-item b{display:block;font-size:13px;margin-bottom:3px}
.notify-item span{display:block;color:var(--txt2);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@keyframes nfIn{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:none}}
@keyframes nfShake{0%,100%{transform:none}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.chat-area{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0}
.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#b6bdcd;gap:12px}
.empty-state svg{width:56px;height:56px;fill:#d9deea}
.empty-state.small{padding:60px 0}
.chat-box{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0}
.chat-hd{display:flex;align-items:center;justify-content:space-between;padding:13px 18px;border-bottom:1px solid var(--line);background:#fff;flex-wrap:wrap;gap:8px;flex-shrink:0}
.chat-hd b{font-size:15px}
.tag{font-size:11.5px;padding:2px 9px;border-radius:8px;margin-left:8px;vertical-align:2px}
.mode-tag{background:#eeeaff;color:#7048e8}
.st-tag{background:#e6f7ef;color:#149a5c}
.st-tag.closed{background:#f1f3f9;color:#98a1b3}
.chat-actions{display:flex;gap:8px}
.tag-bar{padding:8px 18px;border-bottom:1px solid var(--line);background:#fafbfe;display:flex;align-items:center;gap:6px;flex-wrap:wrap;flex-shrink:0}
.tag-bar .lbl{color:var(--txt2);font-size:12.5px;flex-shrink:0}
.tag-chip{background:#eef2ff;color:#4353c8;font-size:12px;padding:3px 10px;border-radius:8px;display:inline-flex;align-items:center;gap:5px}
.tag-chip i{cursor:pointer;font-style:normal;opacity:.6}
.tag-chip i:hover{opacity:1}
#tagInput{border:none;background:none;width:130px;min-height:0;padding:4px 2px;font-size:12.5px;outline:none}
.msg-list{flex:1;overflow-y:auto;padding:18px;background:var(--bg);min-height:0}
.msg-list::-webkit-scrollbar,.conv-items::-webkit-scrollbar{width:6px}
.msg-list::-webkit-scrollbar-thumb,.conv-items::-webkit-scrollbar-thumb{background:#d8dde9;border-radius:3px}
.mrow{display:flex;gap:9px;margin-bottom:14px}
.mrow.me{flex-direction:row-reverse}
.mrow .ava{width:32px;height:32px;border-radius:50%;background:#c3cadb;color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-weight:600}
.mrow.agent .ava{background:linear-gradient(135deg,#31c48d,#0f9d67)}
.mrow.ai .ava{background:linear-gradient(135deg,#9b8cf7,#7048e8)}
.mrow.me .ava{background:linear-gradient(135deg,#6a8bff,var(--c))}
.bubble{max-width:66%;padding:9px 13px;border-radius:4px 12px 12px 12px;background:#fff;box-shadow:0 1px 3px rgba(30,40,80,.07);line-height:1.55;word-break:break-word;white-space:pre-wrap}
.mrow.me .bubble{background:var(--c);color:#fff;border-radius:12px 4px 12px 12px}
.bubble img{max-width:100%;max-height:230px;border-radius:8px;cursor:zoom-in;display:block}
.bubble .meta{font-size:10.5px;opacity:.55;margin-top:5px;display:flex;gap:6px;justify-content:flex-end}
.msys{text-align:center;margin:8px 0;color:#98a1b3;font-size:12px}
.msys span{background:#eceff5;padding:4px 12px;border-radius:10px;display:inline-block}
.chat-ft{display:flex;gap:9px;padding:12px 14px;border-top:1px solid var(--line);background:#fff;align-items:flex-end;flex-shrink:0}
.chat-ft textarea{flex:1;border:1.5px solid var(--line);border-radius:10px;padding:9px 12px;font-size:14px;resize:none;height:42px;max-height:120px;outline:none;background:#fafbfe}
.chat-ft textarea:focus{border-color:var(--c);background:#fff}

/* 客户资料面板 */
.info-panel{width:260px;background:#fff;border-left:1px solid var(--line);padding:18px 16px;overflow-y:auto;flex-shrink:0}
.info-panel h4{font-size:14px;margin-bottom:14px}
.info-panel h4 small{color:var(--txt2);font-weight:400;font-size:11px;display:block;margin-top:3px}
.info-panel label{display:block;font-size:12.5px;color:var(--txt2);margin-bottom:12px}
.src-line{color:var(--txt2);font-size:12px;line-height:1.7;word-break:break-all;margin-bottom:12px}

/* ---------- 页面类视图 ---------- */
.page{flex:1;overflow-y:auto;padding:26px 32px}
.page.narrow{max-width:900px}
.page-hd{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:14px;flex-wrap:wrap}
.page-hd h2{font-size:19px}
.search{width:260px;min-height:38px!important;margin-top:0!important}
.tbl{width:100%;background:#fff;border-radius:12px;border-collapse:collapse;box-shadow:0 1px 4px rgba(40,60,120,.06);overflow:hidden}
.tbl th{background:#f7f9fd;text-align:left;font-size:12.5px;color:var(--txt2);font-weight:600;padding:11px 14px}
.tbl td{padding:11px 14px;border-top:1px solid #f1f3f8;font-size:13.5px;word-break:break-all}
.tbl tr:hover td{background:#fafbff}
.role-badge{font-size:11.5px;padding:2px 9px;border-radius:8px}
.role-admin{background:#ffeaea;color:#d63343}
.role-agent{background:#e8f4ee;color:#188752}
.st-on{color:var(--ok)} .st-off{color:var(--danger)}
.op-mini{display:flex;gap:8px}
.card{background:#fff;border-radius:14px;padding:22px 24px;box-shadow:0 1px 4px rgba(40,60,120,.06);margin-bottom:20px}
.card h3{font-size:15.5px;margin-bottom:14px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.card>label{display:block;margin-bottom:13px;font-size:13px;color:var(--txt2)}
.btn-row{display:flex;gap:10px;margin-top:4px}
.op-msg{font-size:13px;margin-top:10px;min-height:16px;color:var(--ok)}
.op-msg.bad{color:var(--danger)}
.radio-row{display:flex;gap:18px;align-items:center;margin-bottom:14px;font-size:14px}
.cur-db{color:var(--txt2);font-size:12.5px}
.code-row{display:flex;align-items:center;gap:10px;background:#f2f4fa;border-radius:9px;padding:11px 14px}
.code-row code{flex:1;background:none;padding:0;white-space:nowrap;overflow-x:auto}
.switch{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-size:13px;font-weight:400;color:var(--txt2)}
.switch input{display:none}
.switch span{width:38px;height:21px;border-radius:11px;background:#d6dbe8;position:relative;transition:.2s;flex-shrink:0}
.switch span::after{content:'';position:absolute;left:2.5px;top:2.5px;width:16px;height:16px;border-radius:50%;background:#fff;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.switch input:checked+span{background:var(--c)}
.switch input:checked+span::after{left:19px}
.switch-wrap{display:flex;align-items:center;gap:10px;flex:1;padding-top:22px;font-size:13px;color:var(--txt2)}
.perm-box{border:1.5px solid var(--line);border-radius:10px;padding:14px;margin-top:4px}
.perm-box b{font-size:13px}
.perm-box .pitem{display:inline-flex;align-items:center;gap:6px;margin:10px 16px 0 0;font-size:13.5px;cursor:pointer}
.perm-box input{accent-color:var(--c)}

/* ---------- 知识库 ---------- */
.tbl td.ellipsis{max-width:280px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tbl tr.dim td{opacity:.55}
.tag.green{background:#e6f7ef;color:#149a5c;margin-left:0}
.tag.dim-tag{background:#f1f3f9;color:#98a1b3;margin-left:0}
.tag.product-tag{background:#eaf7f1;color:#0f8a55}
.pid-code{font-family:Consolas,monospace;font-size:12px;background:#f2f4fa;padding:2px 6px;border-radius:5px;color:#4353c8}

@media(max-width:1100px){.info-panel{display:none}}
@media(max-width:860px){.side{width:64px}.brand span:last-child,.me-info,nav a .nb-txt{display:none}nav a{justify-content:center}.conv-list{width:220px}}