*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#0e1621;color:#e8eaed;height:100vh;overflow:hidden}#root{height:100vh;display:flex}.login-wrap{flex:1;display:flex;align-items:center;justify-content:center;background:#0e1621}.login-box{background:#17212b;border-radius:16px;padding:40px 48px;width:360px;box-shadow:0 8px 40px #0006;display:flex;flex-direction:column;gap:16px}.login-box h2{font-size:22px;font-weight:600;text-align:center;margin-bottom:8px}.login-box input{background:#0e1621;border:1px solid #2b5278;border-radius:10px;color:#e8eaed;padding:12px 16px;font-size:15px;outline:none;transition:border-color .15s}.login-box input:focus{border-color:#5288c1}.login-box button{background:#5288c1;border:none;border-radius:10px;color:#fff;cursor:pointer;font-size:15px;font-weight:600;padding:12px;margin-top:4px;transition:background .15s}.login-box button:hover{background:#4476ae}.login-err{color:#e53935;font-size:13px;text-align:center}.layout{display:flex;width:100%;height:100vh}.sidebar{width:340px;min-width:280px;max-width:380px;background:#17212b;display:flex;flex-direction:column;border-right:1px solid #0e1621}.sidebar-header{padding:16px 16px 8px;display:flex;flex-direction:column;gap:10px}.sidebar-title{font-size:20px;font-weight:600;padding:4px 4px 0}.search-input{background:#0e1621;border:none;border-radius:10px;color:#e8eaed;padding:10px 14px;font-size:14px;outline:none;width:100%}.search-input::placeholder{color:#5c6e80}.tab-bar{display:flex;gap:6px;padding:0 4px}.tab-btn{background:none;border:none;border-radius:8px;color:#7a9bbf;cursor:pointer;font-size:13px;font-weight:500;padding:6px 14px;transition:background .15s,color .15s}.tab-btn.active{background:#2b5278;color:#fff}.tab-btn:hover:not(.active){background:#1f3044;color:#e8eaed}.ticket-list{flex:1;overflow-y:auto;padding:4px 0 8px}.ticket-list::-webkit-scrollbar{width:4px}.ticket-list::-webkit-scrollbar-track{background:transparent}.ticket-list::-webkit-scrollbar-thumb{background:#2b3f52;border-radius:4px}.ticket-item{display:flex;align-items:center;gap:12px;padding:10px 16px;cursor:pointer;transition:background .12s;position:relative}.ticket-item:hover{background:#1f3044}.ticket-item.active{background:#2b5278}.avatar{width:48px;height:48px;min-width:48px;border-radius:50%;background:#2b5278;display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:600;color:#fff;text-transform:uppercase}.ticket-item.active .avatar{background:#5288c1}.ticket-info{flex:1;overflow:hidden}.ticket-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:3px}.ticket-name{font-size:15px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ticket-time{font-size:12px;color:#7a9bbf;white-space:nowrap;margin-left:8px}.ticket-item.active .ticket-time{color:#c1d8f5}.ticket-preview{font-size:13px;color:#7a9bbf;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ticket-item.active .ticket-preview{color:#c1d8f5}.ticket-badge{background:#5288c1;border-radius:20px;color:#fff;font-size:11px;font-weight:600;min-width:20px;padding:2px 6px;text-align:center}.closed-badge{background:#37474f;color:#78909c;border-radius:6px;font-size:10px;font-weight:600;padding:2px 6px}.empty-list{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:#4a6278;gap:8px;font-size:14px}.empty-list span{font-size:40px}.chat-area{flex:1;display:flex;flex-direction:column;background:#0e1621;position:relative}.chat-area:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.02) 1px,transparent 0);background-size:20px 20px;pointer-events:none}.chat-placeholder{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#4a6278;gap:12px;z-index:1}.chat-placeholder span{font-size:64px}.chat-placeholder p{font-size:15px}.chat-header{background:#17212b;border-bottom:1px solid #0e1621;display:flex;align-items:center;gap:12px;padding:12px 20px;z-index:2}.chat-header-info{flex:1}.chat-header-name{font-size:16px;font-weight:600}.chat-header-sub{font-size:13px;color:#7a9bbf;margin-top:1px}.header-actions{display:flex;gap:8px}.btn-close-ticket{background:linear-gradient(135deg,#c62828,#b71c1c);border:none;border-radius:9px;color:#fff;cursor:pointer;font-size:13px;font-weight:600;padding:8px 16px;transition:opacity .15s}.btn-close-ticket:hover{opacity:.85}.btn-reopen{background:linear-gradient(135deg,#2e7d32,#1b5e20);border:none;border-radius:9px;color:#fff;cursor:pointer;font-size:13px;font-weight:600;padding:8px 16px;transition:opacity 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14px;font-size:14px;line-height:1.5;position:relative;word-break:break-word}.msg-bubble.admin{background:linear-gradient(135deg,#2b5278,#1c3a57);border-bottom-right-radius:4px}.msg-bubble.user{background:#17212b;border-bottom-left-radius:4px}.msg-time{color:#fff6;display:block;font-size:11px;margin-top:4px;text-align:right}.msg-bubble.user .msg-time{text-align:left;color:#5c6e80}.reply-bar{background:#17212b;border-top:1px solid #0e1621;padding:14px 20px;display:flex;gap:10px;align-items:flex-end;z-index:2}.reply-input{flex:1;background:#0e1621;border:1px solid #2b3f52;border-radius:12px;color:#e8eaed;font-size:14px;line-height:1.5;max-height:180px;min-height:44px;outline:none;padding:11px 16px;resize:none;transition:border-color .15s;font-family:inherit}.reply-input:focus{border-color:#5288c1}.reply-input::placeholder{color:#4a6278}.reply-input:disabled{opacity:.4;cursor:not-allowed}.send-btn{background:#5288c1;border:none;border-radius:50%;color:#fff;cursor:pointer;width:44px;height:44px;min-width:44px;display:flex;align-items:center;justify-content:center;transition:background .15s}.send-btn:hover{background:#4476ae}.send-btn:disabled{background:#2b3f52;cursor:not-allowed}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-box{background:#17212b;border-radius:16px;padding:28px 32px;width:420px;box-shadow:0 16px 60px #00000080;display:flex;flex-direction:column;gap:16px}.modal-box h3{font-size:18px;font-weight:600}.modal-box p{color:#7a9bbf;font-size:14px}.modal-input{background:#0e1621;border:1px solid #2b5278;border-radius:10px;color:#e8eaed;font-size:14px;font-family:inherit;outline:none;padding:12px 16px;resize:none;min-height:80px;transition:border-color .15s}.modal-input:focus{border-color:#5288c1}.modal-input::placeholder{color:#4a6278}.modal-actions{display:flex;gap:10px;justify-content:flex-end}.btn-cancel{background:#1f3044;border:none;border-radius:9px;color:#7a9bbf;cursor:pointer;font-size:14px;padding:10px 20px;transition:background .15s}.btn-cancel:hover{background:#2b3f52}.btn-confirm-close{background:#c62828;border:none;border-radius:9px;color:#fff;cursor:pointer;font-size:14px;font-weight:600;padding:10px 20px;transition:opacity .15s}.btn-confirm-close:hover{opacity:.85}.closed-banner{background:#1a2433;border-top:1px solid #0e1621;color:#78909c;font-size:13px;padding:14px 20px;text-align:center;z-index:2}.closed-reason{color:#5c6e80;font-style:italic;margin-top:4px}.spinner{border:3px solid #2b3f52;border-top-color:#5288c1;border-radius:50%;width:28px;height:28px;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-row{display:flex;justify-content:center;padding:40px}