.chat-container{background:linear-gradient(135deg,#f5f7fa 0%,#c3cfe2 100%);border-radius:10px;box-shadow:0 10px 25px rgba(0,0,0,.1)}.chat-container::-webkit-scrollbar{width:8px}.chat-container::-webkit-scrollbar-track{background:#f1f1f1;border-radius:10px}.chat-container::-webkit-scrollbar-thumb{background:#888;border-radius:10px}.chat-container::-webkit-scrollbar-thumb:hover{background:#555}.message{display:flex;margin-bottom:20px;animation:fadeInUp .3s ease}@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}.user-message{justify-content:flex-end}.ai-message{justify-content:flex-start}.message-content{max-width:75%;padding:15px 20px;border-radius:20px;position:relative;box-shadow:0 2px 10px rgba(0,0,0,.1);word-wrap:break-word}.user-message .message-content{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;border-bottom-right-radius:5px}.user-message .message-content::after{content:'';position:absolute;bottom:0;right:-10px;width:0;height:0;border:10px solid transparent;border-left-color:#764ba2}.ai-message .message-content{background:linear-gradient(135deg,#f093fb 0%,#f5576c 30%,#4facfe 100%);color:#fff;border-bottom-left-radius:5px}.ai-message .message-content::after{content:'';position:absolute;bottom:0;left:-10px;width:0;height:0;border:10px solid transparent;border-right-color:#f093fb}.message-time{margin-top:8px;font-size:.8em;opacity:.8}.user-message .message-time{text-align:right}.ai-message .message-time{text-align:left}.message-actions{margin-top:10px;opacity:0;transition:opacity .3s ease}.message:hover .message-actions{opacity:1}.message-actions .btn{margin-right:5px;padding:5px 10px;font-size:.8em;border-radius:15px;transition:all .3s ease}.message-actions .btn:hover{transform:translateY(-2px);box-shadow:0 4px 15px rgba(0,0,0,.2)}#messageInput{border:2px solid #e1e5e9;border-radius:25px;padding:12px 20px;resize:none;transition:all .3s ease;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif}#messageInput:focus{border-color:#667eea;box-shadow:0 0 0 3px rgba(102,126,234,.1);outline:none}#sendButton{border-radius:25px;padding:10px 20px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:none;color:#fff;transition:all .3s ease;margin-left:10px}#sendButton:hover{transform:translateY(-2px);box-shadow:0 5px 15px rgba(102,126,234,.4)}#sendButton:disabled{opacity:.6;cursor:not-allowed;transform:none}.support-chat-card{transition:all .3s ease;border:none;border-radius:15px;overflow:hidden;box-shadow:0 5px 15px rgba(0,0,0,.08)}.support-chat-card:hover{transform:translateY(-5px);box-shadow:0 15px 35px rgba(0,0,0,.15)}.support-chat-card .card-body{padding:20px}.support-chat-card .card-title{color:#2c3e50;font-weight:600;margin-bottom:15px}.support-chat-card .badge{font-size:.75em;padding:5px 10px;border-radius:12px}.border-left-primary{border-left:4px solid #667eea!important}.badge-resolved{background:linear-gradient(135deg,#84fab0 0%,#8fd3f4 100%);color:#2c3e50}.badge-open{background:linear-gradient(135deg,#fa709a 0%,#fee140 100%);color:#2c3e50}.badge-high-priority{background:linear-gradient(135deg,#fc466b 0%,#3f5efb 100%);color:#fff}.badge-medium-priority{background:linear-gradient(135deg,#fdbb2d 0%,#22c1c3 100%);color:#fff}.badge-low-priority{background:linear-gradient(135deg,#d299c2 0%,#fef9d7 100%);color:#2c3e50}@media (max-width:768px){.message-content{max-width:90%;padding:12px 15px}.support-chat-card{margin-bottom:15px}#messageInput{font-size:16px}}.typing-indicator{display:flex;align-items:center;padding:15px 20px;background:#f0f0f0;border-radius:20px;margin-bottom:15px;max-width:100px}.typing-indicator span{height:8px;width:8px;background:#999;border-radius:50%;display:inline-block;margin:0 2px;animation:typing 1.4s ease-in-out infinite both}.typing-indicator span:nth-child(1) {animation-delay:-.32s}.typing-indicator span:nth-child(2) {animation-delay:-.16s}@keyframes typing {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}.timeline-container{position:relative;padding-left:30px}.timeline-container::before{content:'';position:absolute;left:15px;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,#667eea,#764ba2)}.timeline-marker{box-shadow:0 2px 10px rgba(0,0,0,.1);border:3px solid #fff}.user-message-admin{background:linear-gradient(135deg,#e3f2fd 0%,#bbdefb 100%);border-left-color:#2196f3}.ai-message-admin{background:linear-gradient(135deg,#e8f5e8 0%,#c8e6c9 100%);border-left-color:#4caf50}@media (prefers-color-scheme:dark){.chat-container{background:linear-gradient(135deg,#2c3e50 0%,#34495e 100%)}.ai-message .message-content{background:linear-gradient(135deg,#34495e 0%,#2c3e50 100%)}.message-content{box-shadow:0 2px 10px rgba(255,255,255,.1)}}.message-content:focus{outline:2px solid #667eea;outline-offset:2px}.btn:focus{box-shadow:0 0 0 3px rgba(102,126,234,.25)}@media print{.message-actions,#messageForm,.card-footer{display:none!important}.message-content{box-shadow:none;border:1px solid #ccc}}