:root{--ink:#18211d;--muted:#69736d;--line:#dfe4df;--surface:#fff;--bg:#f3f5f2;--green:#236b4b;--green2:#dfeee6;--red:#a83a32;--gold:#b78b35;--shadow:0 18px 50px rgba(25,42,34,.1);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);letter-spacing:0}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit;letter-spacing:0}button{cursor:pointer}.hidden{display:none!important}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:8px;background:var(--green);color:#fff;font-weight:800;font-family:Georgia,serif}.brand-mark.large{width:56px;height:56px;font-size:24px}.chat-body{min-height:100dvh;background:#e9ede9;padding:20px}.chat-shell{height:calc(100dvh - 40px);max-width:920px;margin:auto;background:var(--surface);display:grid;grid-template-rows:auto 1fr auto auto;box-shadow:var(--shadow);border:1px solid var(--line);border-radius:8px;overflow:hidden}.chat-header{min-height:76px;padding:14px 20px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line)}.chat-header h1{font-size:18px;margin:0}.chat-header p{font-size:12px;color:var(--muted);margin:4px 0 0}.online-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#34a16c;margin-right:6px}.icon-command{margin-left:auto;border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 12px;border-radius:6px}.message-list{overflow:auto;padding:24px 22px;display:flex;flex-direction:column;gap:15px;background:#fafbf9}.message-row{display:flex;gap:9px;max-width:82%;align-items:flex-end}.message-row.user{align-self:flex-end;flex-direction:row-reverse}.message-avatar{width:30px;height:30px;flex:0 0 30px;border-radius:7px;display:grid;place-items:center;background:var(--green);color:white;font-size:12px;font-weight:700}.message-row.user .message-avatar{background:#39463f}.message-bubble{padding:11px 14px;border:1px solid var(--line);background:white;border-radius:7px 7px 7px 2px;white-space:pre-wrap;word-break:break-word;line-height:1.65;font-size:15px}.message-row.user .message-bubble{background:var(--green);border-color:var(--green);color:white;border-radius:7px 7px 2px 7px}.message-time{display:block;margin-top:5px;font-size:10px;color:#89918c}.message-row.user .message-time{color:#cfe3d8}.typing{display:flex;gap:4px;padding:14px}.typing i{width:6px;height:6px;background:#718078;border-radius:50%;animation:pulse 1s infinite}.typing i:nth-child(2){animation-delay:.16s}.typing i:nth-child(3){animation-delay:.32s}@keyframes pulse{0%,70%,100%{opacity:.3}35%{opacity:1}}.composer{display:grid;grid-template-columns:1fr auto;gap:10px;padding:14px 16px;border-top:1px solid var(--line);background:white}.composer textarea{resize:none;min-height:44px;max-height:120px;padding:11px 13px;border:1px solid #cfd7d1;border-radius:6px;outline:none}.composer textarea:focus,.login-panel input:focus,.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(35,107,75,.1)}.send-button,.primary-button{border:0;background:var(--green);color:white;border-radius:6px;padding:0 20px;font-weight:650}.send-button:disabled,.primary-button:disabled{opacity:.55;cursor:not-allowed}.inline-error{margin:10px 16px 0;padding:10px 12px;border:1px solid #efc7c3;background:#fff2f0;color:var(--red);border-radius:6px;font-size:13px}.retry-button{border:0;background:transparent;color:inherit;text-decoration:underline;padding:5px 0 0}.login-body{min-height:100dvh;background:var(--bg);display:grid;place-items:center;padding:24px}.login-layout{width:min(880px,100%);display:grid;grid-template-columns:1fr 400px;border:1px solid var(--line);background:#e7eee9;box-shadow:var(--shadow);border-radius:8px;overflow:hidden}.login-brand{padding:64px 54px;display:flex;flex-direction:column;justify-content:center}.login-brand h1{font-size:30px;margin:24px 0 8px}.login-brand p{color:var(--muted);margin:0}.login-panel{background:#fff;padding:54px 42px;display:flex;flex-direction:column;gap:18px}.login-panel h2{font-size:21px;margin:0 0 8px}.login-panel label,.form-grid label{font-size:13px;color:#445049;display:grid;gap:7px}.login-panel input,.form-grid input,.form-grid select,.form-grid textarea{width:100%;border:1px solid #ced6d0;border-radius:6px;padding:11px;background:#fff;outline:none}.login-panel .primary-button{min-height:44px}.admin-body{background:var(--bg);min-height:100dvh}.auth-pending .admin-shell{visibility:hidden}.admin-shell{display:grid;grid-template-columns:230px 1fr;min-height:100dvh}.sidebar{position:sticky;top:0;height:100dvh;background:#17241e;color:#edf4ef;padding:18px 14px;display:flex;flex-direction:column}.sidebar-brand{height:60px;display:flex;align-items:center;gap:10px;padding:0 6px 14px;border-bottom:1px solid rgba(255,255,255,.12)}.sidebar-brand div:last-child{display:grid;gap:2px}.sidebar-brand span{font-size:11px;color:#a9bbb1}.sidebar nav{display:grid;gap:4px;padding-top:20px}.sidebar nav button{border:0;background:transparent;color:#b9c8bf;text-align:left;padding:11px 13px;border-radius:6px}.sidebar nav button:hover,.sidebar nav button.active{background:#274537;color:#fff}.sidebar-user{margin-top:auto;border-top:1px solid rgba(255,255,255,.12);padding:15px 7px 2px;display:flex;align-items:center;justify-content:space-between;font-size:12px}.sidebar-user button{border:0;background:transparent;color:#b9c8bf}.admin-main{min-width:0}.admin-topbar{height:82px;padding:0 28px;display:flex;align-items:center;background:#fff;border-bottom:1px solid var(--line)}.admin-topbar h1{margin:0;font-size:21px}.admin-topbar p{margin:5px 0 0;color:var(--muted);font-size:12px}.menu-toggle{display:none}.admin-content{padding:24px 28px 42px}.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.metric{background:#fff;border:1px solid var(--line);border-radius:7px;padding:17px}.metric span{font-size:12px;color:var(--muted)}.metric strong{display:block;font-size:27px;margin-top:8px}.panel{background:#fff;border:1px solid var(--line);border-radius:7px;margin-top:18px;overflow:hidden}.panel-header{padding:15px 17px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.panel-header h2{font-size:15px;margin:0}.secondary-button{border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 11px;border-radius:6px}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th{text-align:left;color:var(--muted);font-weight:500;background:#fafbf9}.data-table th,.data-table td{padding:12px 16px;border-bottom:1px solid #edf0ed;vertical-align:top}.data-table tr:last-child td{border:0}.data-table tbody tr:hover{background:#f8faf8}.table-link{border:0;background:transparent;color:var(--green);padding:0;text-align:left}.badge{display:inline-block;padding:4px 7px;border-radius:4px;background:var(--green2);color:var(--green);font-size:11px}.badge.warn{background:#f6edd9;color:#8a661f}.empty{padding:38px;text-align:center;color:var(--muted)}.pagination{padding:12px 16px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;align-items:center;gap:9px;font-size:12px}.drawer-backdrop{position:fixed;inset:0;background:rgba(14,25,19,.35);z-index:9}.detail-drawer{position:fixed;z-index:10;right:0;top:0;height:100dvh;width:min(600px,100%);background:#fff;box-shadow:-15px 0 45px rgba(0,0,0,.14);transform:translateX(101%);transition:transform .22s;overflow:auto;padding:25px}.detail-drawer.open{transform:none}.drawer-close{float:right;border:1px solid var(--line);background:white;padding:7px 10px;border-radius:5px}.detail-drawer h2{margin:8px 0 22px}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.detail-item{padding:11px;background:#f7f9f7;border-radius:5px}.detail-item span{display:block;font-size:11px;color:var(--muted);margin-bottom:5px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:16px}.form-grid .full{grid-column:1/-1}.form-grid button{min-height:40px}.section-tabs{display:flex;gap:8px;border-bottom:1px solid var(--line);margin-top:22px}.section-tabs button{border:0;background:transparent;padding:10px 5px;color:var(--muted)}.section-tabs button.active{color:var(--green);border-bottom:2px solid var(--green)}.stack{display:grid;gap:10px;margin-top:14px}.stack-item{border:1px solid var(--line);border-radius:6px;padding:12px}.stack-item p{margin:6px 0;color:var(--muted);font-size:12px}.chart-row{display:grid;grid-template-columns:180px 1fr 40px;gap:10px;align-items:center;padding:8px 16px;font-size:12px}.bar{height:8px;background:#e7ece8;border-radius:4px;overflow:hidden}.bar i{display:block;height:100%;background:var(--green)}@media(max-width:900px){.metric-grid{grid-template-columns:repeat(2,1fr)}.admin-shell{grid-template-columns:190px 1fr}}@media(max-width:680px){.chat-body{padding:0}.chat-shell{height:100dvh;border:0;border-radius:0}.message-row{max-width:90%}.chat-header{min-height:68px}.login-layout{grid-template-columns:1fr}.login-brand{padding:28px}.login-panel{padding:32px 26px}.admin-shell{display:block}.sidebar{position:fixed;z-index:20;width:230px;left:0;transform:translateX(-101%);transition:transform .2s}.sidebar.open{transform:none}.admin-topbar{padding:0 16px}.menu-toggle{display:block;margin-right:14px;border:1px solid var(--line);background:#fff;padding:7px 9px;border-radius:5px}.admin-content{padding:16px}.metric-grid{grid-template-columns:1fr 1fr;gap:9px}.metric strong{font-size:22px}.panel{overflow-x:auto}.data-table{min-width:650px}.detail-grid,.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.chart-row{grid-template-columns:110px 1fr 30px}}