.notification-bell-container{position:relative;display:inline-block}.notification-bell-button{position:relative;background:none;border:none;color:#fffc;font-size:1.25rem;padding:.5rem .75rem;cursor:pointer;transition:all .2s ease;border-radius:6px;display:flex;align-items:center;justify-content:center;width:40px;height:40px}.notification-bell-button:hover{color:#fff;background-color:#ffffff1a}.notification-badge{position:absolute;top:6px;right:6px;background-color:#dc3545;color:#fff;border-radius:10px;min-width:18px;height:18px;font-size:.7rem;font-weight:600;display:none;align-items:center;justify-content:center;line-height:1;padding:0 5px;border:2px solid #343a40;box-sizing:border-box}.notification-dropdown{position:fixed;background:#fff;border:1px solid #e1e4e8;border-radius:8px;box-shadow:0 8px 24px #0000001f;width:400px;max-height:600px;display:none;flex-direction:column;z-index:1050;overflow:hidden;animation:slideDown .2s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.notification-dropdown.show{display:flex}.notification-dropdown-header{padding:16px 20px;border-bottom:1px solid #e1e4e8;display:flex;justify-content:space-between;align-items:center;background-color:#fff;flex-shrink:0}.notification-dropdown-header h6{margin:0;font-weight:600;font-size:16px;color:#24292f;line-height:1.5}.notification-dropdown-actions{display:flex;align-items:center;gap:8px}.mark-all-read-btn{background:none;border:none;color:#0969da;font-size:14px;padding:4px 8px;cursor:pointer;transition:color .2s ease;font-weight:500;border-radius:4px}.mark-all-read-btn:hover{color:#0860ca;background-color:#f6f8fa}.mark-all-read-btn:active{background-color:#eaeef2}.notification-list{overflow-y:auto;overflow-x:hidden;flex:1;max-height:500px}.notification-list::-webkit-scrollbar{width:8px}.notification-list::-webkit-scrollbar-track{background:#f6f8fa}.notification-list::-webkit-scrollbar-thumb{background:#d1d9e0;border-radius:4px}.notification-list::-webkit-scrollbar-thumb:hover{background:#afb8c1}.notification-item{padding:12px 20px;border-bottom:1px solid #f0f0f0;cursor:pointer;transition:background-color .15s ease;position:relative;display:flex;align-items:flex-start;gap:12px}.notification-item:last-child{border-bottom:none}.notification-item:hover{background-color:#f6f8fa}.notification-item.read{background-color:#fff}.notification-item.read:hover{background-color:#f6f8fa}.notification-unread-indicator{position:absolute;right:12px;top:16px;width:8px;height:8px;background-color:#0969da;border-radius:50%;flex-shrink:0;display:none}.notification-item:not(.read) .notification-unread-indicator{display:block}.notification-content{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0}.notification-title{font-weight:500;font-size:14px;color:#24292f;line-height:1.5;margin:0}.notification-body{font-size:13px;color:#656d76;line-height:1.5;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}.notification-meta{display:flex;align-items:center;gap:8px;margin-top:6px;font-size:12px;color:#656d76}.notification-type{font-weight:500;color:#656d76}.notification-time{color:#8b949e;margin-left:auto}.notification-empty{padding:48px 20px;text-align:center;color:#656d76}.notification-empty i{font-size:32px;color:#d1d9e0;margin-bottom:12px;display:block}.notification-empty-text{font-size:14px;color:#656d76}@media (max-width: 576px){.notification-dropdown{width:calc(100vw - 32px);right:16px;left:16px;top:70px}}