:root{--primary: #3d6bf6;--primary-600: #2f5be0;--primary-soft: #eaf0ff;--bg: #eef1f6;--card: #ffffff;--border: #e6e9f0;--border-soft: #eef1f5;--text: #101828;--text-2: #344054;--muted: #667085;--muted-2: #98a2b3;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .04);--shadow-md: 0 4px 14px rgba(16, 24, 40, .08);--side: #1b2135;--side-2: #232a42;--side-text: #aab2c8;--side-muted: #7a8299;--radius: 14px}*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.layout{display:flex;min-height:100vh}.sidebar{width:248px;background:var(--side);color:var(--side-text);padding:14px 0 10px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;flex-shrink:0}.sidebar h1{color:#fff;font-size:17px;font-weight:700;letter-spacing:.2px;padding:4px 18px;margin:0;display:flex;align-items:center;gap:11px;line-height:1.15}.sidebar h1 .logo-dot{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#4d7bff,#7a4dff);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px #4d7bff59;flex-shrink:0}.sidebar h1 .logo-dot .nav-ico{width:20px;height:20px}.side-tag{color:var(--side-muted);font-size:11.5px;padding:6px 18px 14px;margin:0;border-bottom:1px solid rgba(255,255,255,.07)}.sidebar nav{display:flex;flex-direction:column;margin:12px 0 4px;gap:3px;overflow-y:auto}.sidebar nav a{color:var(--side-text);padding:9px 12px;margin:0 12px;border-radius:10px;font-size:13.5px;font-weight:500;display:flex;align-items:center;gap:12px;position:relative;transition:background .13s,color .13s}.sidebar nav a .nav-ico{color:var(--side-muted);flex-shrink:0;transition:color .13s}.sidebar nav a:hover{background:#ffffff0d;color:#e7eaf3;text-decoration:none}.sidebar nav a:hover .nav-ico{color:#c2c9db}.sidebar nav a.active{background:linear-gradient(90deg,#3d6bf638,#3d6bf61a);color:#fff;font-weight:600}.sidebar nav a.active .nav-ico{color:#7ea2ff}.sidebar nav a.active:before{content:"";position:absolute;left:-12px;top:8px;bottom:8px;width:3px;border-radius:0 3px 3px 0;background:var(--primary)}.side-section{margin:10px 12px 4px;padding-top:12px;border-top:1px solid rgba(255,255,255,.07)}.side-section-title{color:var(--side-muted);font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:2px 6px 8px}.side-chan{display:flex;align-items:center;gap:11px;padding:7px 8px;border-radius:9px;font-size:13px;color:var(--side-text)}.side-chan:hover{background:#ffffff0a}.side-chan .dot{width:9px;height:9px;border-radius:50%;flex-shrink:0;box-shadow:0 0 0 3px #ffffff0f}.side-chan .dot.website{background:#12b76a}.side-chan .dot.zalo{background:#2e90fa}.side-chan .dot.messenger{background:#7a5cff}.side-chan .nm{flex:1}.side-foot{margin-top:auto;padding:12px 16px 4px;border-top:1px solid rgba(255,255,255,.07)}.side-email{font-size:12px;color:var(--side-muted);margin-bottom:9px;word-break:break-all}.side-logout{background:#ffffff0f;color:#d4d9e6;border:1px solid rgba(255,255,255,.1);border-radius:9px;padding:8px 12px;font-size:13px;cursor:pointer;width:100%;transition:background .13s}.side-logout:hover{background:#ffffff1f}.main{flex:1;padding:26px 30px;overflow-x:auto;min-width:0}.main h2{margin:0 0 20px;font-size:22px;font-weight:700;letter-spacing:-.2px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:24px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}.card .num{font-size:30px;font-weight:700;letter-spacing:-.5px}.card .label{color:var(--muted);font-size:13px;margin-top:4px}.panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px;box-shadow:var(--shadow-sm)}table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}th,td{text-align:left;padding:12px 15px;font-size:14px;border-bottom:1px solid var(--border-soft)}th{background:#f9fafc;color:var(--muted);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.03em}tr:last-child td{border-bottom:none}tr:hover td{background:#fafbfe}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:600;line-height:1.5}.badge.active{background:#e5edff;color:#2f5be0}.badge.escalated{background:#fee4e2;color:#d92d20}.badge.lead_captured{background:#dcfae6;color:#067647}.badge.awaiting_customer{background:#fef0c7;color:#b54708}.badge.closed{background:#eceef2;color:#475467}.badge.sent{background:#dcfae6;color:#067647}.badge.failed{background:#fee4e2;color:#d92d20}.badge.pending{background:#fef0c7;color:#b54708}.badge.lead_generation{background:#dcfae6;color:#067647}.badge.error_escalation{background:#fee4e2;color:#d92d20}button.btn{background:var(--primary);color:#fff;border:none;border-radius:10px;padding:9px 16px;font-size:13.5px;cursor:pointer;font-weight:600;box-shadow:0 1px 2px #10182814;transition:background .13s,transform .05s}button.btn:hover{background:var(--primary-600)}button.btn:active{transform:translateY(1px)}button.btn:disabled{opacity:.5;cursor:default;box-shadow:none}button.btn.secondary{background:#fff;color:var(--text-2);border:1px solid var(--border);box-shadow:none}button.btn.secondary:hover{background:#f6f8fb}input.search{border:1px solid var(--border);border-radius:10px;padding:10px 13px;font-size:14px;width:280px;max-width:100%;background:#fff;outline:none;transition:border-color .13s,box-shadow .13s}input.search:focus{border-color:var(--primary);box-shadow:0 0 0 3px #3d6bf61f}.muted{color:var(--muted);font-size:13px}.error{color:#d92d20;font-size:14px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:16px}.toolbar{display:flex;gap:8px}.toolbar select{border:1px solid var(--border);border-radius:10px;padding:9px 11px;font-size:13.5px;background:#fff;color:var(--text-2);outline:none;cursor:pointer}.toolbar select:focus{border-color:var(--primary)}.inbox{display:flex;height:calc(100vh - 52px);margin:-26px -30px;background:var(--bg);gap:0}.inbox .col{display:flex;flex-direction:column;min-height:0;background:var(--card)}.inbox .col-list{width:356px;border-right:1px solid var(--border);flex-shrink:0}.inbox .col-thread{flex:1;min-width:0;background:#f7f8fb}.inbox .col-info{width:316px;border-left:1px solid var(--border);overflow-y:auto;flex-shrink:0}.inbox .list-head{padding:15px 15px 12px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:11px;background:#fff}.inbox .list-head .toolbar{flex-wrap:wrap;gap:8px}.inbox .list-head select{flex:1;min-width:96px;border-radius:9px;padding:8px 10px;font-size:13px}.inbox .conv-list{flex:1;overflow-y:auto;padding:6px}.inbox .conv-item{display:flex;gap:12px;padding:11px 12px;border-radius:12px;cursor:pointer;align-items:center;transition:background .12s;margin-bottom:2px}.inbox .conv-item:hover{background:#f4f6fb}.inbox .conv-item.sel{background:var(--primary-soft);box-shadow:inset 0 0 0 1px #3d6bf62e}.inbox .avatar{width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0;font-size:16px;box-shadow:0 2px 6px #10182829}.inbox .conv-main{flex:1;min-width:0}.inbox .conv-top{display:flex;justify-content:space-between;gap:6px;align-items:baseline}.inbox .conv-name{font-weight:600;font-size:14px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.inbox .conv-time{font-size:11px;color:var(--muted-2);flex-shrink:0;font-weight:500}.inbox .conv-sub{font-size:12px;color:var(--muted);margin-top:5px;display:flex;gap:6px;align-items:center;flex-wrap:wrap}.inbox .chan-dot{font-size:11px;font-weight:600;padding:2px 8px;border-radius:6px;background:#eef2f7;color:#475569;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:170px}.inbox .chan-dot.messenger{background:#eef1ff;color:#6a5cff}.inbox .chan-dot.zalo{background:#e6f1ff;color:#2e90fa}.inbox .chan-dot.website{background:#e3f6ee;color:#12b76a}.inbox .thread-head{padding:13px 18px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:10px;background:#fff;box-shadow:0 1px 2px #1018280a;z-index:1}.inbox .thread-body{flex:1;overflow-y:auto;padding:20px 22px 12px;background:#f7f8fb;display:flex;flex-direction:column;gap:3px}.inbox .msg-row{display:flex;align-items:flex-end;gap:9px;margin-top:9px}.inbox .msg-row.customer{justify-content:flex-start}.inbox .msg-row.ai,.inbox .msg-row.agent{justify-content:flex-end}.inbox .msg-row.system{justify-content:center}.inbox .avatar-sm{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:12px;flex-shrink:0;box-shadow:0 1px 3px #1018282e}.inbox .msg{max-width:74%;padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.5;white-space:pre-wrap;word-break:break-word;box-shadow:0 1px 1.5px #1018280f}.inbox .msg.customer{background:#fff;color:var(--text);border:1px solid #eceef3;border-bottom-left-radius:5px}.inbox .msg.ai{background:linear-gradient(135deg,#3d6bf6,#2f5be0);color:#fff;border:none;border-bottom-right-radius:5px}.inbox .msg.agent{background:linear-gradient(135deg,#17b26a,#099250);color:#fff;border:none;border-bottom-right-radius:5px}.inbox .msg.system{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;font-size:12.5px;box-shadow:none}.inbox .msg .who{font-size:10.5px;margin-bottom:4px;opacity:.65;font-weight:500}.inbox .msg.ai .who,.inbox .msg.agent .who{color:#eaf0ff;opacity:.9}.inbox .thread-foot{padding:12px 14px;border-top:1px solid var(--border);display:flex;gap:9px;align-items:flex-end;background:#fff;position:relative}.inbox .thread-foot textarea{flex:1;resize:none;border:1px solid var(--border);border-radius:12px;padding:11px 13px;font-size:14px;font-family:inherit;max-height:120px;outline:none;background:#f9fafc;transition:border-color .13s,box-shadow .13s,background .13s}.inbox .thread-foot textarea:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px #3d6bf61a}.inbox .empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--muted);padding:24px;text-align:center;font-size:14px}.inbox .info-hero{display:flex;flex-direction:column;align-items:center;gap:9px;padding:24px 18px 18px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,#f6f9ff,#fff)}.inbox .info-hero .avatar{width:72px;height:72px;font-size:27px}.inbox .info-hero .nm{font-weight:700;font-size:16.5px;text-align:center;color:var(--text)}.inbox .info-sec{padding:16px 18px;border-bottom:1px solid var(--border-soft)}.inbox .info-sec h4{margin:0 0 10px;font-size:11px;color:var(--muted-2);text-transform:uppercase;letter-spacing:.06em;font-weight:700}.inbox .info-row{font-size:13px;margin:8px 0;display:flex;gap:8px}.inbox .info-row b{color:var(--muted);font-weight:500;min-width:66px;flex-shrink:0}.inbox .info-row span{word-break:break-word;color:var(--text-2)}.inbox .chips{display:flex;gap:7px;flex-wrap:wrap}.inbox .chip{font-size:12px;padding:5px 12px;border-radius:999px;border:1px solid var(--border);background:#fff;color:var(--muted);cursor:pointer;white-space:nowrap;font-weight:500;transition:background .12s,color .12s,border-color .12s}.inbox .chip:hover{background:#f4f6fb}.inbox .chip.on{background:var(--primary);color:#fff;border-color:var(--primary);font-weight:600}.inbox .emoji-wrap{position:relative;display:flex;align-items:center}.inbox .emoji-btn{cursor:pointer;font-size:22px;line-height:1;padding:0 6px;-webkit-user-select:none;user-select:none}.inbox .emoji-pop{position:absolute;bottom:42px;left:0;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-md);padding:9px;display:grid;grid-template-columns:repeat(8,1fr);gap:1px;z-index:30;width:300px}.inbox .emoji-pop button{border:none;background:transparent;font-size:20px;cursor:pointer;padding:5px;border-radius:8px;line-height:1}.inbox .emoji-pop button:hover{background:#f1f5f9}