.alert-feed {
    background: linear-gradient(135deg, #1e1e2e 0%, #2a2a3e 100%);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.alert-feed h2 {
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 20px 0;
    letter-spacing: 0.5px;
}

.alerts-container {
    max-height: 300px;
    overflow-y: auto;
    padding-right: 8px;
}

.alerts-container::-webkit-scrollbar {
    width: 6px;
}

.alerts-container::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.alerts-container::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.alerts-container::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.alert-item {
    display: flex;
    gap: 12px;
    padding: 16px;
    margin-bottom: 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.2s;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.alert-item:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateX(4px);
}

.alert-signal {
    border-left: 3px solid #00ff88;
}

.alert-pulse {
    border-left: 3px solid #4da6ff;
}

.alert-error {
    border-left: 3px solid #ff3366;
}

.alert-info {
    border-left: 3px solid #888;
}

.alert-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
}

.alert-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
}

.alert-symbol {
    color: #fff;
    font-weight: 700;
    font-size: 14px;
}

.alert-time {
    color: #666;
    font-size: 12px;
}

.alert-message {
    color: #aaa;
    font-size: 13px;
    line-height: 1.5;
}