.msg-tabs{display:flex;align-items:center;padding:6px 10px;background:var(--surface-card);border-bottom:1px solid var(--color-gray-100);flex-shrink:0;height:var(--msg-tab-h);gap:6px;overflow-x:auto;scrollbar-width:thin;scrollbar-color:rgba(148,163,184,.3) transparent}.msg-tabs::-webkit-scrollbar{height:4px}.msg-tabs::-webkit-scrollbar-thumb{background:rgba(148,163,184,.3);border-radius:var(--radius-sm)}.msg-tab-btn{flex:1;min-width:52px;height:36px;display:flex;align-items:center;justify-content:center;gap:5px;border:none;border-radius:var(--msg-radius-sm);font-size:13px;font-weight:var(--font-weight-semibold);cursor:pointer;transition:all .2s;color:#7b8796;background:transparent;white-space:nowrap;position:relative;padding:0 10px}.msg-tab-btn:hover{color:#334155;background:var(--color-gray-100)}.msg-tab-btn.active{color:var(--color-white);background:var(--msg-primary);box-shadow:0 2px 8px rgba(255,114,68,.4)}.msg-tab-btn svg{width:14px;height:14px;flex-shrink:0}.msg-tab-label{display:inline-block;max-width:40px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.msg-tab-badge{display:inline-flex;align-items:center;justify-content:center;min-width:16px;height:16px;padding:0 4px;background:#ff3b30;color:var(--color-white);font-size:10px;font-weight:var(--font-weight-bold);border-radius:var(--radius-md);flex-shrink:0}@media (max-width:768px){.msg-tab-btn{min-width:50px;font-size:12px}.msg-tab-label{max-width:30px}}@media (max-width:480px){.msg-tab-btn{min-width:45px;font-size:11px;padding:0 4px}.msg-tab-label{display:none}.msg-tab-badge{min-width:14px;height:14px;font-size:9px}}