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20px;border-bottom:1px solid #f3f4f6;cursor:pointer;transition:all .2s;position:relative}.message-item:hover{background:#f9fafb}.message-item.selected{background:#eff6ff;border-left:4px solid #2563eb}.message-item.unread{background:#fef3c7;border-left:4px solid #f59e0b}.message-item.unread.selected{background:#fef3c7;border-left:4px solid #2563eb}.message-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px}.message-info h4{margin:0 0 4px;color:#1f2937;font-size:16px}.message-email{color:#6b7280;font-size:14px}.message-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px}.message-date{font-size:12px;color:#9ca3af}.message-preview{color:#4b5563;font-size:14px;line-height:1.4;margin-bottom:10px}.delete-btn{position:absolute;top:10px;right:10px;background:none;border:none;cursor:pointer;font-size:16px;opacity:0;transition:opacity .2s}.message-item:hover .delete-btn{opacity:1}.delete-btn:hover{transform:scale(1.2)}.status-badge{padding:4px 8px;border-radius:12px;font-size:12px;font-weight:500;text-transform:uppercase}.status-new{background:#fef3c7;color:#92400e}.status-read{background:#dbeafe;color:#1e40af}.status-replied{background:#d1fae5;color:#065f46}.message-detail{border:1px solid #e5e7eb;border-radius:12px;background:#fff;overflow-y:auto}.detail-content{padding:20px}.detail-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:15px;border-bottom:1px solid #f3f4f6}.detail-header h3{margin:0;color:#1f2937}.detail-info{margin-bottom:20px}.info-row{margin-bottom:10px;font-size:14px}.info-row strong{color:#374151;margin-right:8px}.message-content{margin-bottom:20px}.message-content h4{color:#374151;margin-bottom:10px}.message-content p{background:#f9fafb;padding:15px;border-radius:8px;border-left:4px solid #e5e7eb;margin:0;line-height:1.6}.response-content{margin-bottom:20px;padding:15px;background:#f0f9ff;border-radius:8px;border-left:4px solid #0ea5e9}.response-content h4{color:#0c4a6e;margin-bottom:10px}.response-content p{background:#fff;padding:10px;border-radius:6px;margin:0 0 10px}.response-content small{color:#0369a1;font-style:italic}.response-form{border-top:1px solid #f3f4f6;padding-top:20px}.response-form h4{color:#374151;margin-bottom:10px}.response-form textarea{width:100%;padding:12px;border:1px solid #d1d5db;border-radius:8px;font-size:14px;font-family:inherit;resize:vertical;margin-bottom:15px}.send-response-btn{background:#059669;color:#fff;border:none;padding:10px 20px;border-radius:8px;cursor:pointer;font-weight:500;transition:background-color .2s}.send-response-btn:hover:not(:disabled){background:#047857}.send-response-btn:disabled{background:#9ca3af;cursor:not-allowed}.no-selection{display:flex;align-items:center;justify-content:center;height:100%;color:#6b7280;font-style:italic}@media (max-width: 768px){.contact-content{grid-template-columns:1fr;height:auto}.message-stats{flex-wrap:wrap;gap:10px}.contact-filters{flex-direction:column;align-items:stretch}.search-box{flex-direction:column}}