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100%);width:8px;height:13px;position:absolute;top:0;left:-8px}.typing-dots{align-items:center;gap:4px;display:flex}.typing-dot{background:var(--text-muted);border-radius:50%;width:8px;height:8px;animation:1.4s ease-in-out infinite typing-bounce}.typing-dot:first-child{animation-delay:0s}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typing-bounce{0%,60%,to{opacity:.4;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}.chat-input-area{z-index:100;background:#f0f2f5;flex-shrink:0;align-items:center;gap:6px;min-height:58px;padding:8px 10px;display:flex;position:sticky;bottom:0}.chat-input-container{background:#fff;border-radius:21px;flex:1;align-items:center;min-height:42px;padding:0 12px;display:flex}.chat-emoji-btn{width:26px;height:26px;color:var(--text-muted);cursor:pointer;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;display:flex}.chat-emoji-btn:hover{color:var(--text-secondary)}.chat-input{color:var(--text-primary);resize:none;background:0 0;border:none;outline:none;flex:1;min-height:20px;max-height:100px;padding:10px 8px;font-family:inherit;font-size:15px}.chat-input::placeholder{color:var(--text-muted)}.chat-attach-btn{width:26px;height:26px;color:var(--text-muted);cursor:pointer;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;display:flex;transform:rotate(45deg)}.chat-attach-btn:hover{color:var(--text-secondary)}.chat-send-btn{background:var(--wa-teal);color:#fff;cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;transition:all .2s;display:flex}.chat-send-btn:hover:not(:disabled){background:var(--wa-teal-dark)}.chat-send-btn:disabled{background:var(--text-muted);cursor:not-allowed}.chat-send-btn svg{width:20px;height:20px;margin-left:2px}.chat-empty-state{text-align:center;z-index:1;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:32px;display:flex;position:relative}.chat-empty-icon{background:linear-gradient(135deg,#2563eb 0%,#10b981 100%);border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;margin-bottom:20px;display:flex;box-shadow:0 8px 24px #2563eb40}.chat-empty-icon span{font-size:40px}.chat-empty-title{color:var(--text-primary);margin-bottom:8px;font-size:20px;font-weight:600}.chat-empty-subtitle{color:var(--text-secondary);max-width:280px;margin-bottom:24px;font-size:14px}.chat-demo-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#2563eb 0%,#10b981 100%);border:none;border-radius:24px;padding:14px 28px;font-size:15px;font-weight:600;transition:all .3s;box-shadow:0 4px 12px #2563eb4d}.chat-demo-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #2563eb66}.chat-demo-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.chat-empty-hint{color:var(--text-muted);margin-top:16px;font-size:13px}.session-badge{color:#fff;z-index:5;opacity:.7;background:#00000080;border-radius:12px;padding:4px 12px;font-family:monospace;font-size:11px;position:absolute;bottom:80px;left:50%;transform:translate(-50%)}.date-separator{justify-content:center;margin:12px 0;display:flex}.date-separator-badge{color:var(--text-secondary);background:#e1dad0e6;border-radius:7.5px;padding:5px 12px;font-size:12.5px;box-shadow:0 1px .5px #00000021}@media (max-width:640px){.message-bubble{max-width:85%}.chat-header{padding:0 8px}.chat-messages{padding:8px 12px 12px}.chat-input-area{padding:8px 12px}}.new-chat-btn{border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;z-index:20;background:#ffffffe6;border-radius:20px;padding:8px 16px;font-size:13px;font-weight:500;transition:all .2s;position:absolute;top:8px;right:8px}.new-chat-btn:hover{color:var(--text-primary);background:#fff;box-shadow:0 2px 8px #0000001a}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}